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Phlebotomy 170 > 10-13 Review > Flashcards

10-13 Review Flashcards

1
Q

Which of the following tests requires an arterialized specimen?

A

blood gases

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2
Q

Capillary puncture supplies include

A

gauze pad
lancet
microcollection device

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3
Q

capillary puncture blood contains

A

arterial blood
interstitial fluids
venous bloods

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4
Q

the concentration of which substance is higher in capillary blood than in venous blood?

A

glucose

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5
Q

Capillary puncture is typically performed on adults when

A

no accessible veins are located
the patient has thrombotic tendencies
veins are saved for chemotherapy

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6
Q

If collected by capillary puncture, which of the following is collected first

A

cbc (edta)

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7
Q

Which of the following conditions disqualifies as a site for capillary puncture

A

cyanotic
edematous
swollen

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8
Q

which of the following is the least hazardous area of an infant’s foot for capillary puncture

A

lateral plantar heel surface

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9
Q

according to CLSI, a heel puncture lancet should be no deeper than

A

2.0 mm

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10
Q

which of the following is a proper capillary puncture procedure?

A

wipe away first drop of blood

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11
Q

When making a routine blood smear, the “pusher slide” is normally used at an angle of how many degrees?

A

30

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12
Q

the blood specimen for which test is placed in circles on special filter paper?

A

PKU

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13
Q

which of the following fingers is the best for a capillary puncture

A

middle

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14
Q

which test cannot be collected by capillary puncture and taken to the laboratory for processing and testing?

A

PTT

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15
Q

capillary action is a term used to describe how

A

blood fills a microhematocrit tube

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16
Q

fluid in the spaces between cells is called

A

interstitial fluid

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17
Q

correct newborn screening test collection or handling includes

A

using one large drop to entirely fill a collection circle

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18
Q

strong repetitive pressure, such as squeezing or milking a site during capillary collection

A

can hemolyze and contaminate specimens

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19
Q

neonatal screening is the testing of

A

newborns for certain disorders

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20
Q

in an infant’s heel, the primary blood supply is located

A

between 0.35 and 1.6 mm deep

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21
Q

when drawing a blood alcohol specimen, it is acceptable to clean the arm with

A

benzalkonium chloride

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22
Q

which of the following is the most critical part of blood culture collection

A

antisepsis of the collection site

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23
Q

TDM peak concentration may be defined as the

A

highest concentration of the drug during a dosing interval

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24
Q

In performing a glucose tolerance test, the fasting specimen is drawn at 0815 and the patient finishes the glucose beverage at 0820. When should the one-hour specimen be collected

A

0920

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25
Q

what color is the stopper of a CTAD tube, for what type of test is it used, and why?

A

light blue; coagulation; inhibit platelet activation

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26
Q

Removing a unit of blood from a patient and not replacing it is used as a treatment for

A

polycythemia

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27
Q

What tests may require special chain-of-custody documentation when the specimen is collected?

A

drug screen

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28
Q

Individuals who wish to donate blood in most states must be at least

A

17 y/o and weigh at least 110

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29
Q

Which of the following tests must have a 9:1 ratio of blood to anticoagulant in the collection tube?

A

protime

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30
Q

Which of the following tests is collected in a trace element-free tube?

A

aluminum

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31
Q

Common chemistry tests performed by POCT instruments include

A

Na and K

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32
Q

Which of the following is a test that measures packed cell volume?

A

Hct

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33
Q

Which tests require four special tubes collected using a special order of draw?

A

TB-gold

34
Q

Hemochromatosis

A

can be treated by removing blood
causes iron deposits in the tissues
is sometimes an inherited disorder

35
Q

Which is a nonspecific marker of systemic inflammation

A

CRP

36
Q

A patient undergoing a GTT vomits one hour and five minutes after drinking the beverage. What action should the phlebo take?

A

discontinue the test, and write on the requisition that the patient vomitted

37
Q

When does a blood glucose level in normal individuals typically peak after glucose ingestion?

A

in 1/2 hr to 1 hr

38
Q

The definition of toxicology is

A

the scientific study of poison

39
Q

Septicemia is

A

the presence of microbes in the blood

40
Q

Rapid syphilis tests detect

A

treponema pallidum

41
Q

Computer networking causes Congress to take steps to eliminate patient confidentiality violations by

A

enacting the HIPPA law

42
Q

Logging on to most computer systems require the use of a(n)

A

password

43
Q

After arriving in the laboratory, all specimens are immediately:

A

logged in or accessioned

44
Q

Which of the following would be omitted from a lab-generated computer label?

A

patient diagnosis

45
Q

Barcoding in which area of health care is currently unlikely?

A

CLIA documentation

46
Q

Which of the following specimens should be protected from light?

A

bilirubin

47
Q

A splash of serum is released when the stopper of a centrifuged serum separator tube is removed. What is the most likely reason?

A

the tube was tilted after it was centrifuged

48
Q

After obtaining a specimen for a cold agglutinin test, the blood must be transported

A

at body temp

49
Q

All of the following are required PPE when processing specimens EXCEPT

A

fluid-resistant shoe covers

50
Q

Which of the following blood specimens requires cooling during transportation

A

homocysteine

51
Q

A serum aliquot has a fibrin clot in it. The most likely cause is the specimen was

A

centrifuged before clotting was complete

52
Q

Which of the following specimens would be acceptable for testing

A

cbc in lavender top

53
Q

As a general rule, serum or plasma should be removed from the cells within

A

120 minutes

54
Q

Which of the following specimens can be centrifuged immediately

A

electrolytes in a PST

55
Q

The difference between barcodes and radio frequency identification is RFID:

A

can work up to 100 ft away

56
Q

Most POC analyzers are interface-capable, but the decision to do so is based on:

A

the impact the test has on a patient

57
Q

all blood specimens transported by a courier must be:

A

protected from direct sun exposure

58
Q

Which federal agencies regulate the transporting of biological specimens offsite?

A

DOT and IATA

59
Q

Which of the following test specimens can be analyzed without being centrifuged?

A

Hemoglobin A1c in an EDTA tube

60
Q

A panic value is a

A

significantly abnormal test result

61
Q

Additional information typically required on a nonblood specimen label includes the

A

specimen type

62
Q

Which type of urine specimen is the best for detecting a UTI

A

clean-catch

63
Q

which of the following statements describes proper 24-hour urine collection

A

discard the first-morning specimen, start the timing, and collect all urine for the next 24 hours including the first specimen voided the following morning

64
Q

which nonblood specimen is most frequently analyzed in the lab?

A

urine

65
Q

Which of the following fluids is associated with the lungs?

A

pleural

66
Q

A procedure called iontophoresis is used in the collection of what specimen?

A

sweat

67
Q

Saliva specimens can be used to detect

A

alcohol
drugs
hormones

68
Q

Which test typically requires a refrigerated stool specimen?

A

fecal fat

69
Q

A breath test can be used to detect organisms that cause

A

peptic ulcers

70
Q

Which of the following is a type of serous fluid

A

pleural fluid

71
Q

A quick, noninvasive means of paternity testing is performed on cells from a

A

buccal swab

72
Q

which type of sample is commonly used to identify arsenic poisoning in agricultural workers?

A

hair

73
Q

A positive FIT test indicates

A

bleeding in the colon or rectum

74
Q

A first morning specimen is unacceptable for urine cytology because

A

cells may have disintegrated in the bladder overnight

75
Q

Alcohol testing of urine is problematic because

A

fermentation by bacteria can cause false positives

76
Q

What type of specimen is needed for a guaiac test

A

feces

77
Q

A throat swab is most often collected to test for

A

group A strep

78
Q

Pregnancy can be confirmed by testing urine for the presence of

A

hCG

79
Q

A refractometer can be used to measure urine

A

specific gravity

80
Q

Which rapid diagnostic tests are now commonly used to detect foodborne illnesses

A

CIDTs

Phlebotomy 170 (15 decks)

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