Specimen Collection Flashcards
A term that means "syringe" is: A. evacuated blood collection system B. nonevacuated blood collection system C. Microtainer D. Unopette
B. nonevacuated blood collection system
Specimens for which of the following tests must be collected by syringe? A. ABG B. BUN C. CBC D. ESR
A. ABG
On which of the following patients would a phlebotomist most likely choose a syringe to perform a venipuncture? A. a 14-year old high school freshman B. a 46-year old high school teacher C. a 53-year old construction worker D. an 85- year old grandmother
D. an 85-year old grandmother
On which of the following patients would a phlebotomist most likely use a syringe to collect a blood specimen?
A. a woman who had a mastectomy
B. a man with a heparin lock
C. a woman who just suffered a miscarriage
D. a man who just underwent angioplasty surgery
B. a man with a heparin lock
The closed system that is composed of a needle, a holder, and a tube containing a premeasured amount of vacuum is the: A. evacuated blood collection system B. nonevacuated blood ollection system C. Microtainer system D. Unopette system
A. evacuated blood collection system
Which of the following needle lengths is most commonly used for adult venipuncture? A. 1/2 and 1 inch needles B. 1 and 1-1/2 inch needles C. 1-1/2 and 2 inch needles D. 2 and 2-1/2 inch needles
B. 1 and 1-1/2 inch needles
What criterion does a phlebotomist use when selecting needle guage prior to a venipuncture procedure? A. if the specimen is arterial or venous B. direction of the patient's vein C. the lumen size of the patient's vein D. the physician's order
C. the lumen size of the patient’s vein
Evacuated tubes are manufactured in a range of sizes. Which of the range of volumes listed below most accurately reflects available sizes of evacuated tubes? A. 1 to 15 mL B. 1 to 25 mL C. 2 to 20 mL D. 2 to 30 mL
C. 2 to 20 mL
An evacuated tube contains clot activator and serum separator gel. What color is the Hemogard closure? A. gold B. green C. light green D. royal blue
A. gold
An evacuated tube contains thrombin. What color is the Hemogard closure? A. gold B. green C. orange D. royal blue
C. orange
If an evacuated tube contains heparin and plasma separator gel, what color is the Hemogard closure? A. gold B. light green C. orange D. royal blue
B. light green
Which of the following blood collection devices is manufactured with a rubber sheath? A. single sample needle B. multisample needle C. evacuated tube D. nonevacuated tube
B. multisample needle
Which of the following additives is found in a red stoppered evacuated tube? A. EDTA B. SPS C. none D. sodium heparin
C. none
Which of the following additives is found in an evacuted tube with a green conventional stopper? A. EDTA B. SPS C. none D. sodium heparin
D. sodium heparin
Which of the following additives is found in an evacuated tube with a gray conventional stopper? A. EDTA B. SPS C. sodium citrate D. sodium fluoride
D. sodium fluoride
Which of the following additives is found in an evacuated tube with a yellow conventional stopper? A. EDTA B. SPS C. sodium citrate D. sodium fluoride
B. SPS
Which of the following additives in evacuated tubes binds calcium? A. sodium heparin B. potassium oxalate C. sodium citrate D. thrombin
C. sodium citrate
Which of the following additives in evacuated tubes neutralizes thrombin? A. ACD B. EDTA C. sodium heparin D. sodium citrate
C. sodium heparin
Which of the following evacuated tube stoppers is manufactured with the lowest verified levels of trace elements available? A. lavender B. light blue C. royal blue D. yellow
C. royal blue
Which of the following evacuated tube stoppers is manufactured with very low levels of lead? A. tan B. lavender C. red D. red SST
A, tan
Which of the following additives is found in lavender stoppered evacuated tubes? A. ACD B. CPDA C. EDTA D. SPS
C. EDTA
Which of the following additives is found in an evacuated tube with a yellow conventional stopper? A. ACD B. EDTA C. lithium heparin D. sodium citrate
A, ACD
Which of the following additives is found in an evacuated tube with a light blue conventional stopper? A. ACD B. EDTA C. lithium heparin D. sodium citrate
D. sodium citrate
Which of the following additives in evacuated tubes binds calcium? A. EDTA B. potassium oxalate C. sodium heparin D. thrombin
A. EDTA
Which of the following additives in evacuated tubes promotes clotting? A. ACD B. EDTA C. heparin D. thrombin
D. thrombin
The standard for measuring the diameter of the lumen of a needle is the needle: A. bore B. brand C. guage D. length
C. guage
The internal space of a needle is the needle's: A. bevel B. brand C. guage D. lumen
D. lumen
Which of the following needles has the largest interior diamenter? A. 18 B. 19 C. 20 D. 21
D. 18
Which of the following needles has the smallest interior diameter? A. 20 B. 21 C. 22 D. 23
D. 23
Listed below are conventional stopper colors of evacuated tubes. Which stopper color should be used when collecting specimens for analyses that require BOTH a patients cells and serum? A. green B. green PST C. red D. red SST
C. red
Listed below are conventional stopper colors of evacuated tubes. Which stopper color indicates the tube contains silica particles to facilitate blood clotting? A. red B. red SST C. green D. green PST
B. red SST
Which of the following needle gauges is used most often to perform routine venipuncture? A. 20 and 21 B. 21 and 22 C. 22 and 23 D. 23 and 24
B. 21 and 22
Which of the following additives in evacuated tubes acts a glycolytic inhibitor? A. lithium heparin B. potassium oxalate C. sodium citrate D. sodium fluoride
D. sodium fluoride
Which of the following additives in evacuated tubes prevents platelets from clumping? A. EDTA B. SPS C. potassium oxalate D. sodium citrate
A. EDTA
Which of the following additives in evacuated tubes preserves labile coagulation factors? A. EDTA B. SPS C. sodium citrate D. sodium heparin
C. sodium citrate
Which of the following additives in evacuated tubes produces artifact residue on blood smears stained with Wright's stain? A. EDTA B. fibrin C. sodium heparin D. thrombin
C. sodium heparin
A phlebotomist transfixes a vein during a venipuncture. Which of the following specimen characteristics may result? A. clotting in plasma tubes B. hemolyzed specimen C. hemoconcentration of specimen D. short draw
D. short draw
A phlebotomist obtains a specimen from a patient, following a traumatized venipuncture. Which of the following specimen characteristics may result? A. hemoconcentration B. hemolysis C. glycolysis D. lipemia
B. hemolysis
A lavender stoppered evacuated tube must be redrawn because of clots in the tube. What collection error causes this?
A. traumatized specimen
B. transfixed vein
C. improper patient preparation
D. insufficient mixing of additive with specimen
D. insufficient mixing of additive with specimen
Which of the following equipment would a phlebotomist carry on his or her tray for a skin puncture procedure? A. holder, needle, evacuated tube B. syringe, heparin, ice C. Simplate, filter paper, stopwatch D. lancet, Microtainer, guaze
D. lancet, Microtainer, guaze
A potential complication of accidentally puncturing the calcaneus bone during skin puncture, characterized by inflammation of the bone and bone marrow is called: A. osteocarcinoma B. osteochondritis C. osteomyelitis D. osteoporosis
C. osteomyelitis
A potential complication of accidentally puncturing the calcaneus bone during skin puncture, characterized by inflammation of the bone and cartilage, is called: A. osteocarcinoma B. osteochondritis C. osteomyelitis D. osteoporosis
B. osteochondritis
A potential complication of accidentally puncturing the calcaneus bone during skin puncture, characterized by the presence of pathogenic microorganisms or their toxins in the blood or other tissues, is called: A. osteochondritis B. osteomylitis C. sepsis D. stasis
C. sepsis
An inherited condition that is caused by the body's inability to metabolize phenylalanine is: A. PCV B. PID C. PKU D. PPLO
C. PKU
Which of the following values are higher in newborns than in adults? A. electrolyte levels B. red cell counts C. heterophile titer levels D. varicella zoster virus
B. red cell counts
Which of the following blood constituents will increase as the oxygen content of the air decreases? A. red blood cell counts B. write blood cell counts C. CK levels D. LDH levels
A. red cell counts
Which of the following values are higher in the morning? A. cortisol levels B. eosinophil counts C. iron levels D. WBC counts
A. cortisol levels
Eating which of the following foods can cause lipemic serum in a patient's blood specimen? A. apple B. butter C. carrot D. hard candy
B. butter
Which of the following can affect cortisol levels? A. caffeine B. glucose C. lipids D. saccharin
A. caffeine
Which of the following levels will remain elevated for at least 24 hours following exercise? A. ABG B. BUN C. CBC D. CK
D. CK
A patient is being treated with a thiazide diuretic. Which health care professional is responsible for recognizing potential drug interferences with test results. A. medical technologist B. nurse C. phlebotomist D. physician
D. physician
Changing a patient’s position from supine to standing will cause which physiologic change?
A. no change will occur
B. plasma glucose will increase
C. water will filter from the plasma to the tissues
D. water will filter from the tissues to the plasma
C. water will filter from the plasma to the tissues
During pregnancy, the increase of body fluids may cause a patient's RBC count to: A. decrease B. increase C. remain unchanged D. show no difference due to gender
A. decrease
Which of the following patient conditions may cause a transient elevation in WBC count results? A. altitude change B. gender C. pregnancy D. stress
D. stress
A new field of medicine that deals with the study of interaction between the brain, endocrine system, and the immune system is called: A. psychiatry B. psychoneuroimmunology C. psychoanaleptic D. psychodometry
B. psychoneurommunology
What method of blood collection is preferred for infants? A. accessing indwelling lines B. arterial puncture C. skin puncture D. venipuncture
C. skin puncture
Specimens for home glucose monitoring are routinely collected by: A. accessing indwelling lines B. arterial puncture C. skin puncture D. venipuncture
C. skin puncture
Specimens for which of the following patients should be drawn by skin puncture?
A. a new admint, for a chemistry profile
B. a 6 month old baby for a blood culture
C. a 25 year old woman for type and crossmatch
D. an oncology patient, for a WBC count and platelet count
D. an oncology patient, for a WBC count and platelet count
Why is skin puncture preferred over venipuncture for infants for the collection of blood specimens? A. continuous quality indicator B. increased accuracy of test results C. prevent anemia D. prevent infection
C. prevent anemia
Which of the following tests is most commonly performed on skin puncture samples? A. PCV B. pH C. PKU D. PTT
C. PKU
Which of the following collection procedures will yield a specimen composed of arterial, venous, and capillary blood? A. arterial puncture B. drawing from an indwelling line C. skin puncture D. venipuncture
C. skin puncture
If a skin puncture site is warmed prior to blood collection, the specimen is said to be: A. arterialized B. concentrated C. hemolyzed D. ischemic
A. arterialized
Which of the following test procedures cannot be performed on specimens collected by skin puncture? A. bilirubin B. blood cultures C. calcium D. T3, T4
B. blood cultures
Which of the following test procedures cannot be performed on specimens collected by skin puncture? A. bilirubin B. calcium C. ESR D. T3, T4
C. ESR
Which of the following test procedures cannot be performed on specimens collected by skin puncture? A. APTT B. bilirubin C. calcium D. T3, T4
A. APTT
Which of the following information should not be provided to the patient by the phlebotomist?
A. if the phlebotomist is a student
B. the department the phlebotomist works in
C. the phlebotomist’s name
D. what the test is for
D. what the test is for
Which of the following laboratory professionals has the greatest public relations responsibility for the laboratory? A. pathologist B. phlebotomist C. medical laboratory technician D. medical technologist
B. phlebotomist
A phlebotomist enters a patient’s room at 5:30 AM, but the patient is asleep. The phlebotomist should:
A. ask the nurse to wake the patient
B. gently wake the patient and proceed
C. mark the slip can’t get and return to the lab
D. return to the patient’s room later
B. gently wake the patient and proceed
A phlebotomist is about to collect a blood specimen from a patient in ICU, but the patient is unconscious. The phlebotomist should:
A. call a code
B. call a nurse
C. proceed as though the patient were conscious
D. return when the patient awakens
C. proceed as though the patient were conscious
Which of the following personnel has priority with the patient? A. phlebotomist with a stat request B. physician talking to a patient C. nurse giving the patient a bed bath D. respiratory therapist
B. physician talking to a patient
Which of the following has priority with the patient? A. clergyman administering Communion B. nurse giving a bed bath C. phlebotomist to collect a CBC D. respiratory therapist
A. clergyman administering Communion
If a patient is not in his or her room, how should the phlebotomist locate the patient? A. ask at the nurse's station B. page the patient C. refer to the patient's chart D. search the laboratory's computer
A. ask at the nurse’s station
If a patient’s family is in the patient’s room when the phlebotomist enters, the phlebotomist should:
A. ask the family to restrain the patient
B. ask the family to step outside the room
C. explain the test’s clinical significance
D. ignore the family
B. ask the family to step outside the room
How many steps are involved in proper patient identification? A. 1 B. 2 C. 3 D. 4
B. 2
What is the first step in proper patient identification?
A. the phlebotomist asks, “Are you Mrs. Smith?”
B. the nurse identifies the patient by room number
C. the patient is asked to state his or her name
D. the phlebotomist reads the card above the bed
C. the patient is asked to state his or her name
What is the most important step in patient identification?
A. asking “are you Mrs. Smith?”
B. verifying identification with the nurse
C. verifying identification with a visitor
D. comparing the medical record number on the requisition with the patient’s wristband
D. comparing the medical record number on the requisition with the patient’s wristband
Which of the following information should NEVER be the same on any two patients? A. date of birth B. first names C. last names D. medical record number
D. medical record number
If a patient's wristband matches the requisition entirely except for the medical record number, the phlebotomist should: A. change the number on the requisition B. change the number on the wristband C. contact the nurse's station D. draw the patient
C. contact the nurse’s station
If a patient’s identification bracelet is on his or her nightstand and it matches the requisition exactly, the phlebotomist should:
A. ask a nurse to affix the wristband on the patient
B. discard the requisition
C. discard the wristband
D. draw the patient
A. ask a nurse to affix the wristband on the patient
What infection control equipment should the phlebotomist use when performing a skin puncture procedure?
A. alcohol, sterile gauze
B. heel warmer, Unopette, Simplate
C. lancet, capillary tubes, heel warmer, alcohol pad
D. sharps, biohazard bag, gown, gloves
D. sharps, biohazard bag, gown, gloves
What equipment does the phlebotomist need for site preparation prior to skin puncture?
A. heel warmer, alcohol, sterile gauze
B. heel warmer, povidone iodine, sterile gauze
C. lancet, Unopette, sharps, gloves
D. gown, gloves, sharps, biohazard bag
A. heel warmer, alcohol, sterile gauze
Heel warmers should heat within which of the following temperature ranges? A. 35 - 39 B. 36 - 40 C. 37 - 41 D. 39 - 42
D. 39-42
What is the maximum length lancet that may be safely used for skin puncture on an infant's foot? A. 2.4 mm B. 3.0 mm C. 2.4 cm D. 3.0 cm
A 2.4mm
Which of the following describes the best site to select for skin puncture on an infant’s foot?
A. arch area of the foot
B. lateral portion of the palmar surface of the heel
C. lateral portion of the plantar surface of the heel
D. posterior curvature of the heel
C. lateral portion of the plantar surface of the heel
Which of the following sites is acceptable to use for skin puncture on an infant’s foot?
A. arch of the foot
B. lateral portion of the palmar surface of the heel
C. posterior curvature of the heel
D. the great toe
D. the great toe
Which of the following describes the best site to select for skin puncture, using a patient's finger? A. distal phalanx of the index finger B. distal phalanx of the little finger C. distal phalanx of the middle finger D. distal phalanx of the thumb
C. distal phalanx of the middle finger
Which of the following sites is the best site to select for skin puncture, using a patient's finger? A. distal phalanx of the index finger B. distal phalanx of the little finger C. distal phalanx of the ring finger D. distal phalanx of the thumb
C. distal phalanx of the ring finger
Which of the following sites is the best site to select for skin puncture, using a patient’s finger?
A. distal phalanx of the thumb, palmar surface
B. index finger, palmar surface
C. little finger, palmar surface
D. middle finger, palmar surface
D. middle finger, palmar surface
Skin punctures performed on patients’ fingers should be made:
A. at the crease between the first and second phalanx
B. on the very tip of the finger
C. parallel to the fingerprints
D. perpendicular to the fingerprints
D. perpendicular to the fingerprints
If a heel warmer is applied to a skin puncture site, this will:
A. decrease blood flow to the site
B. increase blood flow to the site
C. prevent hemoconcentration of the specimen
D. prevent hemolysis of the specimen
B. increase blood flow to the site
By how much blood flow to a skin puncture site be increased if a warmer is applied prior to skin puncture? A. 4 times B. 5 times C. 6 times D. 7 times
D. 7 times
What portion of the capillary circulation is increased when a warmer is applied to a skin puncture site? A. arterial B. capillary C. interstitial fluid D. venous
A. arterial
At least how long should a warmer be applied to a skin puncture site prior to making a skin puncture? A. 3 minutes B. 4 minutes C. 5 minutes D. 6 minutes
A 3 minutes
Which of the following tests requires that the site be warmed prior to skin puncture? A. bilirubin B. calcium C. capillary blood gases D. reticulocyte count
C. capillary blood gases
Which of the following actions may result in a QNS skin puncture specimen?
A. alcohol contamination
B. anemic condition of the patient
C. failure to wipe away the first drop of blood
D. insufficient puncture
D. insufficient puncture
What is the rationale for the order of draw for the collection of multiple specimens following skin puncture? A. minimize contamination B. minimize hemoconcentration C. minimize hemolysis D. minimize platelet clumping
D. minimize platelet clumping
The following tests were to be collected from a patient following skin puncture: platelet count, bilirubin, T3. In what order should these tests be collected? A. bilirubin, platelet count, T3 B. bilirubin, T3, platelet count C. platelet count, bilirubin, T3 D. T3, bilirubin, platelet count
C. platelet count, bilirubin, T3
The following Microtainers were to be collected following skin puncture: lavender, pink, red SST. In what order should the microtainers be collected? A. lavender, pink, red SST B. pink, red SST, lavender C. pink, lavender, red SST D. red SST, lavender, pink
A. lavender, pink, red SST
What is the maximum number of times an infant's heel may be punctured to collect a blood specimen? A. 1 B. 2 C. 3 D. 4
B. 2
Which of the following could cause hemolysis of a specimen obtained by skin puncture?
A. collecting specimens in an incorrect order
B. residual alcohol left on the site
C. using povidone iodine to clean the site
D. warming the site
B. residual alcohol left on the site
Which of the following could cause hemolysis of a specimen collected by skin puncture?
A. excessive squeezing of the puncture site to secure the specimen
B. incorrect order of draw
C. using povidone iodine to prepare the site
D. warming the site
A. excessive squeezing of the puncture site to secure the specimen
Bleeding time procedures are usually ordered: A. as timed tests B. in a series C. presurgically D. stat
C. presurgically
Bleeding times are used to assess which of the following? A. coumarin dosage B. fibrinogen levels C. heparin dosage D. platelet function
D. platelet function
Bleeding times are used to assess which of the following? A. blood vessel integrity B. pancreatic function C. risk of diabetes D. risk of heart disease
A. blood vessel integrity
Which of the following can influence the results of a bleeding time test? A. cholesterol level B. circulating von Willebrand's factor C. glucose level D. potassium level
B. circulating von Willebrand’s factor
Which of the following medications will interfere with the bleeding time test result? A. acetaminophen B. aspirin C. insulin d. furosemide
B. aspirin
Which of the following medications will interfere with the results of the bleeding time test? A. acetaminophen B. insulin C. furosemide D. salicylic acid
D. salicylic acid
Before starting a bleeding time test, the phlebotomist should:
A. ask the patient to sign a consent form
B. ask the patient if he or she has eaten
C. ask the patient if he or she has taken any medications
D. take the patient’s blood pressure
C. ask the patient if he or she has taken any medications
Which of the following procedures is routinely performed on a patient's earlobe? A. Duke bleeding time B. glucose tolerance test C. lactose tolerance test D. modified Ivy bleeding test
A. Duke bleeding time
Which of the following is used to collect blood following the puncture in a Duke bleeding time procedure? A. filter paper B. microhematocrit tube C. Microtainer tube D. Unopette
A. filter paper
Which of the following compounds is used to prepare the site prior to the puncture in a Duke bleeding time procedure? A. alcohol B. heel warmer C. ice D. iodine
A. alcohol
During a Duke bleeding time procedure, a phlebotomist touches the wound with a collection device. The bleeding time results will be: A. falsely decreased B. falsely prolonged C. impossible to interpret D. unchanged
B. falsely prolonged
If a patient has taken aspirin, how long will it affect the patient's platelet function? A. 1 to 2 hours B. 7 to 10 minutes C. 1 to 2 days D. 7 to 10 days
D. 7 to 10 days
If a test procedure can be performed the same way, on the same patient, and generate almost identical results, the test is said to be: A. reliable B. reproducible C. sensitive D. specific
B. reproducible
A test that will detect borderline abnormalities in a patient is said to be: A. reproducible B. reliable C. sensitive D. specific
C. sensitive
If a physician wishes to assess a patient's platelet function, which of the following tests will provide the physician with the most reliable results? A. capillary bleeding time B. Duke bleeding time C. modified Ivy bleeding time D. tourniquet test
C. modified Ivy bleeding time
If a physician would like to screen platelet function in a patient, which of the following tests will provide the physician with the most sensitive results? A. capillary bleeding time B. Duke bleeding time C. modified Ivy bleeding time D. tourniquet test
C. modified Ivy bleeding time
Why is the Duke bleeding time procedure not routinely performed in modern medical practice? A. dangerous collection container B. lack of standardized puncture C. too many patient complaints D. too messy
B. lack of standardized puncture
The use of a template and surgical incision as part of a bleeding time procedure was introduced by: A. Duke B . Ivy C. Landsteiner D. Mielke
D. Mielke
What equipment should a phlebotomist carry on his or her try for the Ivy bleeding time procedure? A. bleeding time device, alcohol B. bleeding time device, iodine C. steel blade lancet, alcohol D. steel blade lancet, iodine
A. bleeding time device, alcohol
What equipment should a phlebotomist carry on his or her tray for an Ivy bleeding time procedure?
A. bleeding time device, blood pressure cuff
B. blood pressure cuff, iodine
C. filter paper, steel blade lancet
D. iodine, filter paper
A. bleeding time device, blood pressure cuff
What equipment should a phlebotomist carry on his or her tray for an Ivy bleeding time procedure?
A. bleeding time device, iodine
B. filter paper, steel blade lancet
C. butterfly bandage, blood pressure cuff
D. butterfly bandage, iodine
C. butterfly bandage, blood pressure cuff
The Ivy bleeding time procedure is routinely performed on the patient's: A. earlobe B. foot C. forearm D. wrist
C. forearm
The Ivy bleeding time procedure is routinely performed on the patient’s:
A. distal phalanx of the ring finger, palmar surface
B. lateral area of the plantar surface of the foot
C. lateral aspect, volar surface of the forearm
D. medial area of the plantar surface of the foot
C. lateral aspect, volar surface of the forearm
During an Ivy bleeding time procedure, the blood pressure cuff should be positioned: A. above the antecubital crease B. below the antecubital creast C. around the patient's calf D. around the patient's wrist
A. above the antecubital crease
During an Ivy bleeding time procedure, the blood pressure cuff should be inflated to: A. 35 mm Hg B. 40 mm Hg C. 45 mm Hg D. 50 mm Hg
B. 40 mm Hg
During an Ivy bleeding time procedure, the maximum length of time that may elapse between inflation of the blood pressure cuff and making the incision is: A. 10 seconds B. 60 seconds C. 90 seconds D. 120 seconds
B. 60 seconds
The dimensions of the most commonly used bleeding time devices are: A. 1 mm deep x 3 mm wide B. 1 mm deep x 5 mm wide C. 3 mm deep x 5 mm wide D. 5 mm deep x 1 mm wide
B. 1 mm deep x 5 mm wide
During an Ivy bleeding time procedure, the phlebotomist should start the stopwatch:
A. after applying the tourniquet
B. after blotting the first drop of blood
C. simultaneously with the incision
D. when the blood pressure cuff is applied
C. simultaneously with the incision
A potential patient complication of the Ivy bleeding time test is: A. hematoma B. scarring C. poor reproducibility D. poor sensitivity
B. scarring
Two examples of bleeding time devices are:
A. safety flow lancet, steel blade lancet
B. Simplate, Surgicutt
C. Microtainer and Unopette
D. Unopette and Tenderfoot
B. Simplate, Surgicutt
Cleaning the bleeding time puncture site too vigorously may cause: A. hemoconcentration B. hemolysis C. hyperemia D. hyperchromia
C. hyperemia
What effect will increasing blood flow to the bleeding time site have on the results of the procedure? A. falsely decreased B. falsely elevated C. impossible to predict D. no effect
B. falsely elevated
What effect will dislodging the platelet plug have on the bleeding time results? A. falsely decreased B. falsely elevated C. impossible to predict D. no effect
B. falsely elevated
During an Ivy bleeding time procedure, which position of the bleeding time device offers a cosmetic advantage to the patient?
A. parallel to the antecubital crease
B. perpendicular to the antecubital crease
C. tilted to the left of the phlebotomist
D. tilted to the right of the phlebotomist
A. parallel to the antecubital
During an Ivy bleeding time procedure, which position of the bleeding time device is more sensitive to borderline abnormalities?
A. parallel to the antecubital crease
B. perpendicular to the antecubital crease
C. tilted to the left of the phlebotomist
D. tilted to the right of the phlebotomist
A. parallel to the antecubital
Prior to making a puncture during a blood collection procedure, antiseptic solution should be applied to the site selected:
A. in concentric circles, beginning at the puncture site
B. in concentric circles, beginning away from the puncture site
C. parallel to the antecubital crease
D. perpendicular to the antecubital crease
A. in concentric circles, beginning at the puncture site
To examine by touch or feel is to: A. palate B. palpitate C. palpate D. patency
C. palpate
A return flow of blood from an evacuated tube into a patient's arm during a venipuncture procedure is called: A. reflex B. reflux C. reagent D. refractile
B. reflux
Small, nonraised bruises the size of a pinpoint are called: A. patella B. pedicel C. petechiae D. pellicle
C. petechiae
The condition in which the fluid portion of the blood filters into the tissues, decreasing the fluid portion of the blood in the blood vessels, is called: A. hemochromoprotein B. hemoclastic C. hemoconcentration D. hemocuprein
C. hemoconcentration
The liberation of hemoglobin into the plasma following destruction of red blood cells is called: A. hemoagglutination B. hemoconcentration C. hemolysis D. hemostasis
C. hemolysis
What is the medical term for the following symptoms: dizziness, pallor, sweating, clammy skin, unconsciousness? A. emesis B. hematoma C. syncope D. tetany
C. syncope
The accumulation of fluid in the tissues is called: A. edema B. emesis C. syncope D. tetany
A. edema
Under universal precautions, what PPE must the phlebotomist use for every blood collection procedure?
A. gloves
B. gown
C. gown, gloves, sharps, and biohazard bag
D. sharps and biohazard bag
A. gloves
To prepare a puncture site prior to routine venipuncture, the phlebotomist would use: A. 50% isopropyl alcohol B. 70% isopropyl alcohol C. betadine D. providone iodine
B. 70% isopropyl alcohol
Which of the following equipment is used for a routine venipuncture? A. heel warmer, lancet, Microtainer B. heel warmer, needle, Microtainer C. needle, evacuated tube, holder D. syringe, evacuated tube
C. needle, evacuated tube, holder
Which of the following equipment is used for site selection and preparation during routine skin puncture? A. betadine B. povidone iodine C. heel warmer D. tourniquet
C. heel warmer
What is the correct sequence of the following steps in a routine venipuncture procedure?
A. apply alcohol, palpate site, apply tourniquet
B. apply tourniquet, palpate site, release tourniquet
C. palpate site, apply alcohol, apply tourniquet
D. palpate site, apply tourniquet, apply alcohol
B. apply tourniquet, palpate site, release tourniquet
What is the correct sequence of the following steps in a routine venipuncture procedure?
A. anchor the vein, insert the needle, uncap the needle
B. anchor the vein, uncap the needle, insert the needle
C. uncap the needle, anchor the vein, insert the needle
D. uncap the needle, insert the needle, anchor the vein
C. uncap the needle, anchor the vein, insert the needle
During routine venipuncture, the needle should be inserted: A. bevel down B. bevel up C. bevel turned toward the left D. bevel turned toward the right
B. bevel up
During routine venipuncture, needles should be inserted at which of the following angles, relative to the patient's arm? A. 0 to 10 degrees B. 5 to 10 degrees C. 15 to 30 degrees D. 30 to 45 degrees
C. 15 to 30 degrees
During routine venipuncture, how should the needle be positioned, relative to the vein selected? A. perpendicular B. parallel, 1 inch below C. parallel, 1 inch below D. same direction
D. same direction
During routine venipuncture, how deep should the needle be inserted?
A. 1 inch
B. 1-1/2 inch
C. until the phlebotomist feels a slight decrease in resistance
D. until the phlebotomist feels a slight increase in resistance
C. until the phlebotomist feels a slight decrease in resistance
What is the correct sequence of the following steps in a routine venipuncture procedure?
A. release tourniquet, engage tube, release vein
B. release tourniquet, release the vein, engage the tube
C. release vein, engage tube, release tourniquet
D. release vein, release tourniquet, engage tube
C. release vein, engage tube, release tourniquet
During venipuncture, the tourniquet should be left on a patient's arm no longer than: A. 1 to 2 minutes B. 2 to 3 minutes C. 3 to 4 minutes D. 4 to 5 minutes
A. 1 to 2 minutes
A patient has undergone a left radical mastectomy. Which site cannot be used for venipuncture until the patient's physician is consulted? A. cephalic hand vein B. dorsal hand vein C. left arm D. right arm
C. left arm
What condition sometimes occurs following mastectomy that becomes a factor in venipuncture site selection? A. hemostasis B. homeostasis C. lymphostasis D. venous stasis
C. lymphostasis
The phlebotomist inspects the antecubital fossa of a patient and notes that the area surrounding the puncture site is purple, accompanied by swelling of the puncture site. What is the name of this condition? A. hematoma B. hemangioma C. lipoma D. lymphoma
A. hematoma
If a phlebotomist notes a purple swelling around the site selected for venipuncture, he or she should: A. notify the nurse B. proceed, using the site selected C. select another site D. write "can't get" on the requisition
C. select another site
What condition, caused by a hematoma surrounding a venipuncture site, may lead to erroneous results? A. hemostasis B. homeostasis C. lymphostasis D. venous stasis
A. hemostasis
Swelling caused by an abnormal accumulation of fluid is called: A. edema B. emesis C. hemostasis D. hematoma
A. edema
If a phlebotomist notes that the arm selected for venipuncture is edamatous, he or she should: A. perform the venipuncture B. notify the patient's nurse C. select another site D.. write "can't get" on the requisition
C. select another site
Which of the following conditions occuring in edematous tissues may alter the results? A. destruction of platelets B. destruction of red blood cells C. dislodging of the platelet plug D. injury of fragile tissue
D. injury of fragile tissue
Which of the following veins is often the most accessible in obese patients? A. basilic vein B. cephalic vein C. median cubital vein D. median vein of the forearm
B. cephalic vein
Veins that are hardened are: A. elastic B. resilient C. sclerosed D. spongy
C. sclerosed
If a phlebotomist palpates a vein and determines that it is sclerosed, the phlebotomist should: A. draw above the sclerosed area B. draw below the sclerosed area C. notify the patient's physician D. turn off the IV and perform the draw
B. draw below the sclerosed
Which of the following is a cause of sclerosed veins? A. numerous venipunctures B. radical mastectomy C. residual alcohol D. residual iodine
A. numerous venipunctures
If a phlebotomist must collect a blood specimen from a patient's arm that has an IV, the phlebotomist should draw from: A. above the IV B. below the IV C. the IV line directly D. the patient's CVC
B. below the IV
During routine venipuncture, after the phlebotomist engages the evacuated tube, no blood appears in the tube. The phlebotomist determines that the venipuncture attempt was unsuccessful. What should the phlebotomist do FIRST to end the procedure? A. call the nurse B. tighten the tourniquet C. untie the tourniquet D. withdraw the needle
C. untie the tourniquet
During venipuncture, the phlebotomist inserts the needle next to the patient’s vein, on the left side of the patient’s vein. No blood appears in the evacuated tube. The phlebotomist should:
A. completely withdraw the needle
B. insert the needle deeper
C. pull back and reinsert the needle to the left
D. pull back and reinsert the needle to the right
D. pull back and reinsert the needle to the right
The following colored tubes with conventional stoppers are to be collected during routine venipuncture: red SST, yellow (SPS), sky blue, green. According to NCCLS guidelines, in what sequence should the tubes be collected, following venipuncture? A. red SST, yellow, sky blue, green B. red SST, sky blue, green, yellow C. yellow, red SST, sky blue, green D. yellow, red SST, green, sky blue
C. yellow, red SST, sky blue, green
The following colored tubes with conventional stoppers are to be collected during routine venipuncture: gray, red, blue, lavender. According to NCCLS guidelines, in what sequence should the tubes be collected, following venipuncture? A. blue, gray, lavender, red B. gray, blue, lavender, red C. red, blue, lavender, gray D. red, gray, blue, lavender
C. red, blue, lavender, gray
The following colored tubes with conventional stoppers are to be collected during routine venipuncture: red SST, lavender, gray, sky blue. According to NCCLS guidelines, in what sequence should the tubes be collected first, following venipuncture? A. gray B. lavender C. red SST D. sky blue
C. red SST
The following colored tubes with conventional stoppers are to be collected during routine venipuncture: green, gray, lavender, black. According to NCCLS guidelines, in what sequence should the tubes be collected first, following venipuncture? A. black B. green C. gray D. lavender
D. lavender
The following colored tubes with conventional stoppers are to be collected during routine venipuncture: lavender, red SST, sky blue, yellow (containing SPS). According to NCCLS guidelines, in what sequence should the tubes be collected first, following venipuncture? A. lavender B. red SST C. sky blue D. yellow
D. yellow
The following colored tubes with conventional stoppers are to be collected during routine venipuncture: lavender, red SST, sky blue, yellow (SPS). According to NCCLS guidelines, which tube should be collected last? A. lavender B. red SST C. sky blue D. yellow
A. lavender
The following colored tubes with conventional stoppers are to be collected during routine venipuncture: green, gray, red SST, sky blue. According to NCCLS guidelines, which tube should be collected last? A. green B. gray C. red SST D. sky blue
B. gray
A phlebotomist is to collect a specimen for an APTT and prothrombin time from a patient. According to NCCLS guidelines, what tube stopper color should the phlebotomist collect first? A. green B. gray C. red D. sky blue
C. red
The following colored tubes with Hemogard stoppers are to be collected during routine venipuncture: gold, green, gray, lavender. According to NCCLS guidelines, which tube should be collected first? A. gold B. green C. gray D. lavender
A. gold
The rationale for the sequence of multiple specimen collection following venipuncture is to prevent: A. contamination B. glycolysis C. hemolysis D. platelet clumping
A. contamination
The condition characterized by deep and rapid respiration preceding the onset of muscular twitching and contractions is called: A. hematoma B. hemolysis C. syncope D. tetany
D. tetany
The condition characterized by dizzines, weakness, pallor, clammy skin, and unconsciousness is called: A. hematoma B. hemolysis C. syncope D. tetany
C. syncope
The condition characterized by a purple area surrounding a venipuncture site, accompanied by swelling, is called: A. hematoma B. hemolysis C. syncope D. tetany
A. hematoma
The condition characterized by small reddish-purple spots on a patient's skin is called: A. hematoma B. hemolysis C. petechiae D. syncope
C. petechiae
The term that describes the backward flow of blood into a patient's veins during venipuncture is: A. hematoma B. hemolysis C. reflux D. rouleaux
C. reflux
What response may some patients have at the sight of their blood being drawn? A. hematoma B. hemolysis C. syncope D. synergy
C. syncope
Which of the following conditions may be caused by a needle penetrating all the way through the vein during venipuncture? A. hematoma B. hemolysis C. syncope D. synergy
A. hematoma
Which o the following may cause petechiae on a patient's skin? A. allergy to the iodine B. blood leaking into the tissues C. patient platelet defects D. the sight of blood
C. patient platelet defects
During venipuncture, a phelbotomist moves the tube gently up and down in the holder, moving the contents back and forth. What may this cause? A. hematoma B. hemolysis C. petechiae D. reflux
D. reflux
The condition in which the plasma portion of the blood filters into the tissues is called: A. hematoma B. hemoconcentration C. hemolysis D. hemostasis
B. hemoconcentration
Hemoconcentration of the specimen may be caused by: A. drawing from a hematoma B. prolonged tourniquet application C. residual alcohol on the site D. shaking an additive tube
B. prolonged tourniquet application
Hemoconcentration of the specimen may be caused by: A. drawing from a hematoma B. residual alcohol on the site C. shaking additive tubes D. vigorous hand pumping
D. vigorous hand pumping
Using a needle that is too small to accommodate the force of the vacuum of an evacuated tube may cause which of the following in a patient's specimen? A. hemoconcentration B. hemolysis C. hemostasis D. hematoma
B. hemolysis
Shaking an evacuated tube containing an additive too forcefully to mix the contents may cause which of the following in a patient's specimen? A. hemoconcentration B. hemolysis C. hemostasis D. hematoma
B. hemolysis
Drawing blood through a hematoma may cause which of the following in a patient's specimen? A. hemoconcentration B. hemolysis C. hemostasis D. hematoma
B. hemolysis
Obtaining a specimen as a result of a traumatic venipuncture can cause which of the following in a patient's specimen? A. hemoconcentration B. hemolysis C. hemostasis D. hematoma
B. hemolysis
A patient suffers a transfusion reaction. What may this condition cause in the patient's specimen? A. hemoconcentration B. hemolysis C. hemostasis D. hematoma
B. hemolysis
If a specimen is hemolyzed, what color is the serum? A. green B. pink C. white D. yellow
B. pink
Which of the following analyses requires an arterial specimen? A. blood alcohol levels B. blood culture C. blood gas analysis D. blood urea nitrogen
C. blood gas analysis
Which of the following departments in the health care setting relies most heavily on ABG results? A. occupational therapy B. physical therapy C. radiation therapy D. respiratory therapy
D.. respiratory therapy
Involuntary contraction of an artery is called: A. agglutination B. arrhythmia C. arteriosclerosis D. arteriospasm
D. arteriospasm
A process where blood is provided to a part of the body by more than one blood vessel is called: A. Allen test B. iontophoresis C. collapsed vein D. collateral circulation
D. collateral circulation
Which of the following structures is located on the lateral aspect of the wrist? A. radial artery B. ulnar artery C. deep palmar arch D. superficial palmar arch
A. radial artery
Which of the following structures is located on the medial aspect of the wrist? A. brachial artery B. femoral artery C. radial artery D. ulnar artery
D. ulnar artery
Which of the following structures is located in the leg? A. brachial artery B. femoral artery C. radial artery D. ulnar artery
B. femoral artery
Which of the following structures is located in the medial anterior aspect of the antecubital fossa? A. brachial artery B. femoral artery C. radial artery D. ulnar artery
A. brachial artery
Which of the following tests is performed to assess collateral circulation of a patient's hand prior to arterial puncture? A. Allen test B. mucin clot test C. Ropes test D. sweat chloride test
A. Allen test
Listed below are several sites commonly used for arterial puncture. Which site offers the advantage of collateral circulation? A. brachial artery B. femoral artery C. radial artery D. ulnar artery
C. radial artery
Listed below are several sites commonly used for arterial puncture. Which is the second choice for arterial puncture? A. brachial artery B. femoral artery C. radial artery D. ulnar artery
A. brachial artery
Listed below are several sites commonly used for arterial puncture. Which site offers the advantage of largest size? A. brachial artery B. femoral artery C. radial artery D. ulnar artery
B. femoral artery
Listed below are several sites commonly used for arterial puncture. Which site offers the advantage of being close to the basilic vein? A. brachial artery B. femoral artery C. radial artery D. ulnar artery
A. brachial artery
Listed below are several sites commonly used for arterial puncture. Which site offers the disadvantage of increased risk of infection? A. brachial artery B. femoral artery C. radial artery D. ulnar artery
B. femoral artery
During the Allen test, which two arteries are compressed by the phlebotomist? A. brachial and femoral B. brachial and radial C. femoral and radial D. radial and ulnar
D. radial and ulnar
During the Allen test, which artery is released FIRST? A. brachial B. femoral C. radial D. ulnar
D. ulnar
During the Allen test, two arteries are compressed. One artery is subsequently released. If normal circulation is present, the patient's hand should turn pink within how many seconds? A. 5 B. 7 C. 9 D. 10
A. 5
During an Allen test, a patient’s hand returns to pink 10 seconds after one of the arteries is released. What should the phlebotomist do next?
A. call a code
B. perform Allen test on another site
C. select the brachial artery for arterial puncture
D. select the artery tested for arterial puncture
B. perform Allen test on another site
Which of the following supplies would a phlebotomist carry on his or her tray to collect samples for ABG analysis? A. alcohol, tourniquet, syringe B. alcohol, syringe, rubber stopper C. iodine, syringe, aluminum foil D. alcohol, iodine, tourniquet
B. alcohol, syringe, rubber stopper
Which of the following blood vessel characteristics is helpful to a phlebotomist, when palpating for a suitable site for arterial puncture? A. pulse B. elastic structure C. ropelike structure D. spongy texture
A. pulse
Which of the following equipment is used routinely for venipuncture, but not arterial puncture? A. alcohol B. iodine C. warmer D. tourniquet
D. tourniquet
Which of the following anticoagulants is used for the collection of specimens for ABG analysis? A. EDTA B. SPS C. heparin D. oxalate
C. heparin
The phlebotomist should inform a patient that the ABG procedure is: A. less painful, compared venipuncture B. more painful, compared venipuncture C. as painful as venipuncture D. a painless procedure
B. more painful, compared venipuncture
Which o the following equipment is used to collect specimens for ABG analysis? A. evacuated tube B. Microtainer C. syringe D. Unopette
C. syringe
At what angle should the needle be inserted during an arterial puncture procedure? A. 15 degrees B. 30 degrees C. 45 degrees D. 60 degrees
C. 45 degrees
Which of the following tests requires that the puncture site be warmed prior to collection? A. capillary blood gas analysis B. PKU analysis C. sickle cell screen D. T3, T4 analysis
A. capillary blood gas analysis
Which of the following is used to mix the specimen with the collection tube additive during capillary blood gas specimen collection? A. agitator B. clay C. metal flea D. rotator
C. metal flea
Following collection, how should specimens collected for ABGs be transported? A. at 37 degrees B. on ice C. routinely D. shielded from light
B. on ice
A phlebotomist collected a specimen for ABG analysis. What should the phlebotomist do with the needle, after withdrawing it from the patient's arm? A. insert it into a cork stopper B. insert it into a rubber stopper C. place it in a biohazard bag D. place it in a sharps container
B. insert it into a rubber stopper
Which of the following complications may occur following arterial puncture, but not venipuncture? A. arteriospasm B. hematoma C. infection D. thrombus formation
A. arteriospasm
A sudden, transient constriction of an artery in response to pain or other stimuli is called: A. arteriospasm B. hematoma C. reflux D. thrombus
A. arteriospasm
Pressure is applied to an arterial puncture site for at least 5 minutes following a procedure to prevent: A. arteriospasm B. hematoma C. reflux D. thrombus formation
B. hematoma
A physician would most likely order a blood culture on a patient who has: A. AGL B. CAB C. FUO D. UCHD
C. FUO
Which of the following concerns is important when collecting specimens for blood culture analysis?
A. preventing air bubbles in the specimen
B. using heparin
C. using sterile technique to prepare the site
D. transporting the specimen on ice
C. using sterile technique to prepare the site
The presence of bacteria and their toxins in the bloodstream is called: A. bacteremia B. basophilia C. hyperemia D. septicemia
A. bacteremia
The term that means "without air" is: A. aerobic B. anaerobic C. afebrile D. antimicrobial
B. anaerobic
A phlebotomist must collect a specimen for a blood culture analysis. The phlebotomist should prepare the venipuncture site using: A. alcohol only B. iodine only C. alcohol and iodine D. tincture of green soap
C. alcohol and iodine
Contamination rates of blood culture specimens should not exceed: A. 0% B. 3% C. 6% D. 10%
B. 3%
Which of the following actions may result in a false positive blood culture result?
A. collecting blood in an SPS evacuated tube
B. introducing iodine into the collection container
C. leaving the tourniquet on too long
D. repalpating the site
D. repalpating the site
Which of the following tests may require an extra step in patient identification? A. blood cultures B. cold agglutinin titers C. glucose tolerance testing D. type and crossmatch
D. type and crossmatch
Which of the following blood collection techniques requires sterile technique to prepare a venipuncture site? A. blood cultures B. cold agglutinin titers C. glucose tolerance testing D. type and crossmatch
A. blood cultures
Which of the following specimens requires warming a collection tube to 37 degrees? A. blood cultures B. cold agglutinin titers C. glucose tolerance testing D. type and crossmatch
B. cold agglutinin titers
Which of the following procedures requires a patient to refrain from strenuous exercise for 12 hours prior to the test? A. blood cultures B. cold agglutinin titers C. glucose tolerance testing D. type and crossmatch
C. glucose tolerance test
Which of the following tests requires that a patient fast prior to collection of the blood specimen? A. blood cultures B. cold agglutinin titers C. glucose tolerance testing D. type and crossmatch
C. glucose tolerance test
Introducing bacteria from a patient's skin into a specimen for blood culture analysis may result in: A. false negative results B. false positive results C. hemoconcentration D. hemolysis
B. false positive results
Introducing iodine into a specimen for blood culture analysis can result in: A. false negative results B. false positive results C. hemoconcentration D. hemolysis
A. false negative results
Repalpating a site prior to venipuncture for blood culture analysis, may result in: A. false negative results B. false positive results C. hemoconcentration D. hemolysis
B. false positive results
Introducing air into an anaerobic blood culture collection container may result in: A. false negative results B. false positive results C. hemoconcentration D. hemolysis
A. false negative results
Which of the following conventional stopper colors corresponds to the evacuated tube suitable for blood culture specimen collection? A. lavender B. royal blue C. sky blue D. yellow
D. yellow
Which of the following evacuated tube additives inhibits complement? A. sodium citrate B. sodium heparin C. EDTA D. SPS
D. SPS
Which of the following tests would most be affected by lack of proper patient preparation? A. blood cultures B. fibrin degradation products C. glucose tolerance testing D. type and crossmatch
D. type and crossmatch
Which of the following blood culture specimen collection containers incorporates an aerobic bottle and an anaerobic bottle?
A. Bactec system
B. gas impermeable syringe
C. SPS evacuated tube/conventional stopper
D. SPS evacuated tube/Hemogard closure
A. Bactec system
While performing a venipuncture with a syringe, a phlebotomist notices blood frothing between the hub of the needle and a syringe. As a result, the specimen may be: A. activated B. contaminated C. hemolyzed D. iontophoresced
C. hemolyzed
A specimen collected by syringe is hemolyzed. What may have caused this?
A. aliquoting specimens in the wrong order
B. forcefully drawing back the plunger
C. gently drawing back the plunger
D. gently inverting the specimen tubes
B. forcefully drawing back the plunger
Following venipuncture by syringe, blood must be aliquoted into the following evacuated tubes: red, sky blue, green. In what order should the evacuated tubes be filled? A. green, red, sky blue B. red, green, sky blue C. red, sky blue, green D. sky blue, green, red
D. sky blue, green, red
The rationale for the order of draw for syringes is to minimize: A. cross contamination of specimens B. clotting in anticoagulant tubes C. hemolysis of the specimen D. platelet clumping
B. clotting in anticoagulant tubes
Which of the following is increased, compared with the antecubital fossa, on the skin surface of the hand/ A. bacteria B. endothelial casts C. number of arteries D. number of veins
A. bacteria
Which step in the venipuncture procedure must the phlebotomist exercise extra care in performing when collecting blood by venipuncture from a hand vein? A. anchoring the vein B. labeling the specimen C. needle insertion D. tourniquet application
A. anchoring the vein
Why is the fifth finger of a patient’s hand routinely eliminated as a potential site for skin puncture?
A. it has a pulse
B. it has an increased number of nerve endings
C. the tissue is thinner than other fingers
D. it is usually calloused
C. the tissue is thinner than other fingers
Why is the index finger of a patient’s hand routinely eliminated as a potential site for skin puncture?
A. it has a pulse
B. it has an increased number of nerve endings
C. the tissue is thinner than other fingers
D. it is usually calloused
B. it has an increased number of nerve endings
Which of the following blood constituents may be falsely elevated if the skin puncture site is prepared with povidone iodine? A. hemoglobin B. hepatitis B surface antigen C. platelet count D. potassium
D. potassium
Which of the following constituents is present in higher concentrations in blood collected by skin puncture than in blood collected by venipuncture? A. calcium B. glucose C. potassium D. total protein
B. glucose
Which of the following skin puncture specimens is most likely to be adversely affected by excessive squeezing of the site?
A. bedside glucose test from a 75 year old woman
B. bilirubin test from a 12 hour neonate
C. microhematocrit determination from a 30 year old donor
D. WBC and platelet count from 65 year old oncology patient
B. bilirubin test from a 12 hour neonate
Positioning a patient's arm downward prior to venipuncture will help prevent: A. hemoconcentration B. hemolysis C. reflux D. syncope
C. reflux
A phlebotomist attempts a venipuncture on a patient’s basilic vein. If the blood that appears in the evacuated tube is dark purple-red, the phlebotomist should:
A. allow the tube to fill, following standard precautions
B. immediately release the tourniquet and withdraw the needle
C. insert the needle deeper
D. withdraw the needle, and apply pressure for 5 minutes
A. allow the tube to fill, following standard precautions
A phlebotomist selects a 4.5 mL sodium citrate tube to collect a patient’s specimen. The patient was a difficult draw, but the phlebotomist successfully collected approximately 3.0 mL of specimen into the sodium citrate tube. The phlebotomist should next
A. gently invert the specimen 5 to 10 times
B. label the specimen
C. recollect the specimen
D. shield the specimen from light
C. recollect the specimen
If a patient's arms and hands are swollen due to excessive fluid retention, this patient's condition is called: A. edema B. hemolysis C. petechiae D. syncope
A. edema
A specimen for ABG analysis would be rejected if the specimen:
A. contained air bubbles
B. included the needle attached to the syringe
C. was collected in heparin
D. was transported on ice
A. contained air bubbles
Clinically significant changes will occur in a specimen collected for ABG analysis if the specimen is left at room temperature for more than: A. 5-10 minutes B. 10-15 minutes C. 15-20 minutes D. 20-25 minutes
A. 5-10 minutes
A phlebotomist attempts an arterial puncture of the brachial artery. If the blood appearing in the syringe is bright orange-red, the phlebotomist should: A. apply an ice pack B. call a code C. continue the procedure D. discontinue the procedure
C. continue the procedure
Which of the following situations will be caused if too much heparin is in the syringe used to collect a specimen for ABG analysis? A. acidosis of the specimen B. alkalosis of the specimen C. excessive bleeding D. hematoma formation
A. acidosis of the specimen
A syringe used for collection of ABG samples should be: A. blue B. green C. gas impermeable D. gas permeable
C. gas impermeable
What is the maximum number of venipuncture attempts a phlebotomist should make to secure a specimen? A. 1 B. 2 C. 3 D. 4
B. 2
What is the maximum length of time that a tourniquet may be left on a patient's arm without adversely affecting test results? A. 1 minute B. 3 minutes C. 5 minutes D. 7 minutes
A. 1 minute
Which of the following evacuated tubes must always be preceded by a discard tube? A. green B. lavender C. red SST D. sky blue
D. sky blue
What is the maximum number of times a phlebotomist should perform skin puncture on an infant's foot to secure a specimen? A. 1 B. 2 C. 3 D. 4
B. 2
