Phlebotomy > Practice Tests > Flashcards

Practice Tests Flashcards

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1
Q

what test result is affected by using povidone-iodine
- glucose
- BUN
- potassium
- coagulation

A

potassium

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2
Q

when to replace sharps containers

A

2/3 full

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3
Q

tests that chain of custody applies to

A
  • drug tests
  • forensic tests
  • BAC
  • paternity testing
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4
Q

order for removing PPE

A
  • gloves
  • goggles
  • gown
  • mask
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5
Q

who can discuss lab results with a pt

A

ordering provider

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6
Q

what testing is EDTA used for

A

hematology

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7
Q

what testing is sodium citrate used for

A

PT/PTT

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8
Q

what testing is potassium oxalate used for

A

chemistry

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9
Q

what testing is heparin used for

A

chemistry

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10
Q

steps after needlestick

A
  • wash with soap and water
  • report to supervisor
  • medical evaluation
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11
Q

where to place tourniquet if pt has sore above venipuncture site

A

tie the tourniquet over the pts sleeve

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12
Q

tube collected first in dermal puncture

A

lavender

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13
Q

how to store arterial blood gas after collection

A

put in ice slurry within 30 minutes of collection

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14
Q

how to store vitamin B6 specimens for transport

A

protect from light

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15
Q

how much blood to collect for blood culture

A
  • 20 mL total
  • 10 mL in each bottle
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16
Q

blood collection bag additive

A

citrate phosphate dextrose

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17
Q

pt identification in inpatient setting

A

verbal and wristband

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18
Q

what vaccine must be offered to a phlebotomist at no cost

A

hepatitis B

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19
Q

colors of hazards in National Fire Protection Association (NFPA) 704 Marking System

A
  • red: fire hazard
  • white: hazard not covered by another color
  • yellow: instability
  • blue: health hazard
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20
Q

which tubes yield plasma but not serum

A
  • EDTA
  • PST
  • SPS
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21
Q

tube used for thyroid studies

A

speckled top

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22
Q

tube used for lactic acid test

A

gray

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23
Q

PPE for pt with pneumonia

A

gloves and mask

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24
Q

additive for chromosome analysis

A

heparin

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25
normal range for WBC
4.4 to 11/mm cubed
26
PPE for pt with cutaneous diphtheria
gloves and gown
27
how long after med administration should you perform a peak test
1 to 2 hr
28
normal range for total cholesterol
140 to 200 mg/dL
29
why is order of draw for capillary collections different than venipuncture
increased rate of coagulation during capillary punctures
30
for what tests would you use a tube containing lithium heparin
- glucose - BUN - creatinine - electrolyte studies
31
when should you take the temperature of a urine specimen
within 4 minutes of collection
32
amount of urine for employment drug testing
at least 45 mL
33
phlebotomy wedge
device that stabilizes the pts arm
34
when to collect specimen for trough level of medication test
15 minutes before pt receives the next dose
35
CLSI workflow pathway
- pre-examination: post-puncture care, process specimen - examination: review and verify results - post-examination: enter critical lab data
36
who should you ask for the last time meds were administered for peak level test
attending nurse
37
what additive is used for tests on pt serum
thrombin
38
needle size for collected donor units of blood
18-gauge
39
how long should you abstain from ejaculation before a sperm count test
2 to 7 days
40
what temperature should semen be transported at
37 C or 98.6 F
41
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
42
where should blood be appplied to filter paper for newborn screening
printed side of paper in the circles
43
consent used in emergency situations
implied consent
44
accession number
identifier for a specimen
45
normal range for troponin T levels
0 to 0.2 ng/mL
46
potential consequence of mislabeling a blood bank specimen
transfusion reaction
47
what happens if you apply the tourniquet too close to the draw site
hemoconcentration
48
veins to use if pt has difficult to access veins
dorsal veins
49
veins to use if pt has difficult to access veins
dorsal veins
50
what temperature should you keep sputum specimens at
room temp
51
what urine creatinine levels indicate tampering
below 20 mg/dL
52
what should a pt do with their fist during donor blood collection
gently open and close their fist throughout the collection
53
what to use to clean urinary meatus during clean-catch urine collection
mild antiseptic soap
54
why should you not draw blood from the leg or foot of a pt with diabetes
more susceptible to infection
55
what should you do if pt is asleep when you need to perform venipuncture
wake them up
56
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
57
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
58
what temperature should you store a blood specimen
2 to 8 C (35.6 to 46.4 F)
59
aplastic anemia
caused by bone marrow abnormalities
60
pernicious anemia
caused by B12 deficiency
61
microcytic anemia
caused by hemoglobin abnormalities
62
should semen specimens be protected from bright light
yes
63
how much blood should be placed on a slide for a peripheral blood smear
1 mm drop
64
within how many hours should you initiate postexposure prophylaxis after a needlestick injury
24 hours
65
first aid for shock
- call for help - maintain airway - control bleeding - keep pt warm
66
do providers need to preapprove finger sticks
no
67
what medication should you avoid for a fecal occult test
ibuprofen
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