Practice Tests Flashcards
what test result is affected by using povidone-iodine
- glucose
- BUN
- potassium
- coagulation
potassium
when to replace sharps containers
2/3 full
tests that chain of custody applies to
- drug tests
- forensic tests
- BAC
- paternity testing
order for removing PPE
- gloves
- goggles
- gown
- mask
who can discuss lab results with a pt
ordering provider
what testing is EDTA used for
hematology
what testing is sodium citrate used for
PT/PTT
what testing is potassium oxalate used for
chemistry
what testing is heparin used for
chemistry
steps after needlestick
- wash with soap and water
- report to supervisor
- medical evaluation
where to place tourniquet if pt has sore above venipuncture site
tie the tourniquet over the pts sleeve
tube collected first in dermal puncture
lavender
how to store arterial blood gas after collection
put in ice slurry within 30 minutes of collection
how to store vitamin B6 specimens for transport
protect from light
how much blood to collect for blood culture
- 20 mL total
- 10 mL in each bottle
blood collection bag additive
citrate phosphate dextrose
pt identification in inpatient setting
verbal and wristband
what vaccine must be offered to a phlebotomist at no cost
hepatitis B
colors of hazards in National Fire Protection Association (NFPA) 704 Marking System
- red: fire hazard
- white: hazard not covered by another color
- yellow: instability
- blue: health hazard
which tubes yield plasma but not serum
- EDTA
- PST
- SPS
tube used for thyroid studies
speckled top
tube used for lactic acid test
gray
PPE for pt with pneumonia
gloves and mask
additive for chromosome analysis
heparin
normal range for WBC
4.4 to 11/mm cubed
PPE for pt with cutaneous diphtheria
gloves and gown
how long after med administration should you perform a peak test
1 to 2 hr
normal range for total cholesterol
140 to 200 mg/dL
why is order of draw for capillary collections different than venipuncture
increased rate of coagulation during capillary punctures
for what tests would you use a tube containing lithium heparin
- glucose
- BUN
- creatinine
- electrolyte studies
when should you take the temperature of a urine specimen
within 4 minutes of collection
amount of urine for employment drug testing
at least 45 mL
phlebotomy wedge
device that stabilizes the pts arm
when to collect specimen for trough level of medication test
15 minutes before pt receives the next dose
CLSI workflow pathway
- pre-examination: post-puncture care, process specimen
- examination: review and verify results
- post-examination: enter critical lab data
who should you ask for the last time meds were administered for peak level test
attending nurse
what additive is used for tests on pt serum
thrombin
needle size for collected donor units of blood
18-gauge
how long should you abstain from ejaculation before a sperm count test
2 to 7 days
what temperature should semen be transported at
37 C or 98.6 F
how to warm venipuncture site
- heat towel to 108 F
- wrap around site for 3-5 minutes
- encase towel in plastic bag
- rinse in warm water for 1 minute
where should blood be appplied to filter paper for newborn screening
printed side of paper in the circles
consent used in emergency situations
implied consent
accession number
identifier for a specimen
normal range for troponin T levels
0 to 0.2 ng/mL
potential consequence of mislabeling a blood bank specimen
transfusion reaction
what happens if you apply the tourniquet too close to the draw site
hemoconcentration
veins to use if pt has difficult to access veins
dorsal veins
veins to use if pt has difficult to access veins
dorsal veins
what temperature should you keep sputum specimens at
room temp
what urine creatinine levels indicate tampering
below 20 mg/dL
what should a pt do with their fist during donor blood collection
gently open and close their fist throughout the collection
what to use to clean urinary meatus during clean-catch urine collection
mild antiseptic soap
why should you not draw blood from the leg or foot of a pt with diabetes
more susceptible to infection
what should you do if pt is asleep when you need to perform venipuncture
wake them up
types of interpersonal space
- intimate: within 18 inches, performing venipuncture
- personal: 18 inches to 4 feet, explaining venipuncture
- social: 4 to 12 feet, everyday interactions
- public: 12 feet, between a speaker and an audience
what should you do if a pt says they want the blood to be drawn from the inside of their wrist
try and draw blood from the antecubital region
what temperature should you store a blood specimen
2 to 8 C (35.6 to 46.4 F)
aplastic anemia
caused by bone marrow abnormalities
pernicious anemia
caused by B12 deficiency
microcytic anemia
caused by hemoglobin abnormalities
should semen specimens be protected from bright light
yes
how much blood should be placed on a slide for a peripheral blood smear
1 mm drop
within how many hours should you initiate postexposure prophylaxis after a needlestick injury
24 hours
first aid for shock
- call for help
- maintain airway
- control bleeding
- keep pt warm
do providers need to preapprove finger sticks
no
what medication should you avoid for a fecal occult test
ibuprofen
