FINAL Flashcards
The Purpose of wiping away the 1st gtt of blood during skin puncture is to…
eliminate tissue fluid contamination
capillary puncture blood most closely resembles…
arterial blood
what is the purpose of warming the site before skin puncture?
it increases blood flow up to 7 times
which of the following is the safest area for the infant heel puncture?
Lateral plantar surface
A blood smear from an EDTA specimen should be made
within 1hr of collection
Capillary puncture blood reference ranges are higher for which of the following analytes?
Glucose.
what is the FIRST thing the phlebotomist should do in the event of an accidental needle stick?
wash the site with soap and water for at least 30 sec.
what is the clinical and laboratory standards institute (CLSI) recommended maximum depth of heel puncture?
2.0 mm
The solution normally used to clean the site before routine venipuncture is…
70% isopropanol
why should a laboratory report from indicate the fact that a specimen has been collected by capillary puncture?
because test results can vary depending on the method of collection
what does the term “calcaneus” mean?
heel bone
which of the following is a preferred capillary puncture site?
middle finger
what causes a microhematocrit tube to fill with blood?
capillary action
the function of the left ventricle is to deliver
oxygenated blood to the aorta
the receiving chambers of the heart are the
Atria
the relaxing phase of the cardiac cycle is called…
diastole
which of the following represents the proper direction of blood flow?
from Arterioles to Capillaries to Venules
which blood cell has the ability to pass through the blood vessel walls?
Leukocyte
how can you visually tell serum from plasma?
you cannot visually tell them apart
Hemostasis refers to
the stoppage of bleeding
Name the antecubital veins
Basilic
cephalic
median
how do the needle gauge numbers relate to lumen size?
larger the gauge # the smaller the lumen size and vice versa
what is the most important factor in choosing which gauge needle to use for venipuncture?
size and condition of the vein
when using a winged infusion blood collection set, if the first tube is an additive tube, it is important to collect a few milliliters of blood into a nonaddictive tube first to..
maintain proper blood-to-additive ratio
prolonged tourniquet application may cause a change in blood composition primarily because of…
Hemoconcentration
Best way to avoid reflux when drawing a blood specimen
fill tubes from the bottom up
a tube fails to fill with blood during venipuncture. what might lead you to think that the vein has collapsed?
the vein disappears when you engage the tube
If a Pt. is complaining of sharp radiating pain from the needle insertion site, the Phlebotomist should…
immediately terminate the venipuncture
A request is given to draw a specimen from an inpatient by the name of John Doe. what is an acceptable way to confirm the Pt. identitiy
Match the ID band and requisition with the Pt. verbal statement of ID
when asked to run different test at the same time what should be the order of importance
STAT orders are always first except when there is a timed drug test ordered
what action that a Pt. does during vein selection is bad for the specimen?
allowing the Pt. to pump their fist
what communication strategy shows poor technique when drawing blood from a child?
telling the child it won’t hurt
what is the most critical error a phlebotomist can make?
misidentifying a Pt. specimen
a phlebotomist arrives to draw a specimen from an inpatient. the Pt. door is closed. what should the phlebotomist do?
knock softly, open it slowly, and ask permission to enter
which test is likely to result in fatal consequences if the Pt. is misidentified?
type and crossmatch
when performing a GTT, the timing should begin..
as soon as the Pt. finishes the drink.
for which condition is a unit of blood withdrawn from a Pt. as treatment?
Hemochromatosis
a 2hr postprandial (PP) specimen should be drawn
2 Hrs after the Pt. finishes eating a meal
what type of additive is recommended for collecting an ethanol test specimen?
Sodium Fluoride (gray)
when collecting a blood culture specimen directly from a butterfly into blood culture bottles, which should be filled first?
Aerobic
a chain of custody is…
a special protocol used when collecting forensic specimens
an autologous blood transfusion is a transfusion of blood
donated by the Pt. for the Pt.
what does acknowledging a Pt. beliefs, customs, knowledge, and attitudes exemplify?
diversity awareness
promoting good public relations is a part of the phlebotomist’s role because
- a phlebotomist is a representative of the lab throughout the facility
- good public relations promotes a harmonious relationship with the staff
- a Pt. often equate venipuncture experiences with the overall hospital care
what are the duties of the phlebotomist?
-collecting blood specimens
-performing lab computer operations
-transporting specimens to lab
(Phlebotomists are NOT to start IV)
proof of participation in workshops to upgrade skills required by some agencies to renew certification is called…
CEU’s
what is an example of a confirming response to a Pt.
I understand how you must be feeling
medical term for white blood cells
Leukocytes
condition of clotting
Thrombosis
the word roots “nephr” and “ren” both refer to
Kidneys
what does the suffix of the term “Glycolysis” mean?
Breakdown
the function of the Urinary system
to maintain Elektrolyte balance
term “distal” means?
farthest from the point of attachment
test of the Urinary system
Creatinine Clearance
the layers of the skin containing blood vessels are?
dermis and subcutaneous
the ability of the body to repair and maintain itself to achieve a “steady state” defines what term?
Homeostasis
A Lab report form should indicate when a specimen has been collected by capillary puncture because..
some test results vary with specimen source
it is necessary to control depth of lancet insertion during capillary puncture to avoid
injuring the heel bone
An additive tube should be mixed….
As soon as its removed from the holder
A specimen would most likely be accepted for testing despite which of the following ?
no phlebotomist initials
an example of a pre analytical error happening during specimen processing is
inadequate centrifugation
Transporting blood specimens with the stopper up has nothing to do with
maintaining the sterility of the sample
which specimen can be centrifuged immediately upon arrival in specimen processing
Calcium in a green top tube
What type of specimens must be processed before routine specimens?
- STAT
- ASAP
- TImed
Drawing a Pt. blood without his or her permission can result in a charge of
assault and battery
A National organization that sets standards for Phlebotomy procedures is
CLSI
A specimen was mislabeled on the floor. The phlebotomist is required to fill out an incident report form. What info is NOT part of the report?
Suggestion for new guidelines
unauthorized release of confidential pt info is called
Invasion of privacy
2 phlebotomists in an elevator are discussing a Pt.s condition. The are overheard by the Pt.s daughter. This is an example of…
Invasion of Privacy
Which of the following is used by the lab to ID a specimen throughout the testing process?
Accession #
which would NOT be considered a preanalytical error?
Misreporting Pt. Results
According to CLSI the Max time limit for separating serum or plasma from cells is
2.0 Hrs from the time of collection
which statement describes proper centrifuge operation?
Place tubes of equal size and volume opposite one another for balance
What is the recommended procedure for collecting a 24 Hr urine sample?
Void the 1st morning specimen
start the timing
collect all other specimens including the next mornings specimen
what additional info is typically required when labeling a non blood specimen?
specimen type and source
what fluid is obtained by lumbar puncture?
CSF Cerebral spinal fluid
A urine C & S is typically ordered to detect?
the presence of a UTI
An NP culture swab is collected to detect the presence of organisms that cause
whooping cough
A 1st morning specimen is preferred for hCG testing because
typically more concentrated
which type of specimen must be protected from light?
Amniotic Fluid
Sputum samples are typically collected to diagnose…
Tuberculosis
The 2d choice for the site of arterial puncture is?
Brachial Artery
When performing the Allen test, which artery is released 1st?
Ulnar
Heparin is used in ABG specimen collection to….
prevent clotting of the specimen
when will a Pt. be considered to be in “Steady state” for ABG specimen collection?
Pt. has been sleeping for 30 min while breathing on Room air
proper needle insertion angle for radial artery puncture
30-45 degree
1st choice artery for ABG collection is the
Radial artery
most important factor to consider when selecting an arterial puncture site is the
existence of collateral circulation
a phlebotomist is negligent when
a phlebotomist fails to put the needle and holder in the sharps container.
