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Phlebotomy > Test Four > Flashcards

Test Four Flashcards

1
Q

Of the following tests, which is MOST likely to result in fatal consequences if the patient is misidentified?

Blood cultures
Drug screens
Postprandial glucose
Type and crossmatch

A

Type and crossmatch

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2
Q

Which test requires strict skin antisepsis procedures before specimen collection?

A

Blood culture

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3
Q

All of the following are included in the DOT’s 10 Steps to Collection Site Security and Integrity EXPECT…

A

ensure that video monitoring equipment is working during specimen collection.

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4
Q

What type of additive is recommended for collecting an ethanol test specimen?

A

Sodium Fluoride

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5
Q

When performing a GTT, the timing should begin…

A

as soon as the patient finishes the drink.

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6
Q

Which test is used to monitor heparin therapy?

A

ACT

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7
Q

According to CLSI, _________is the recommended blood culture site skin disinfectant for infants 2 months and older.

A

Chlorhexidine gluconate

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8
Q

To prevent introducing a contaminating substance into a trace- element collection, it is suggested that the phlebotomist…

A

Draw it by itself using a syringe or evacuated tube system.

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9
Q

All POC glucose analyzers approved for hospitals use have which of the following in common?

A

All options are correct.

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10
Q

When collecting a blood culture specimens directly from a butterfly into blood culture bottles, which should be filled first?

A

Aerobic

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11
Q

A chain of custody is…

A

a special protocol used when collecting forensic specimens

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12
Q

For which condition is a unit of blood withdrawn from a patient as treatment…

A

Hemochromatosis

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13
Q

Which of hte following tubes can be used to collect blood for a type and crossmatch?

ETS gray top
PInk top
Royal blue top
Gel barrier

A

Pink top

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14
Q

An autologous blood transfusion is a transfusion of blood..

A

donated by the patient for the patient

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15
Q

The most critical aspect of blood culture collection is ….

A

skin antisepsis

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16
Q

Which test requires a specimen with a 9:1 ratio of blood to anticoagulant?

A

Prothrombin time

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17
Q

The hormone detected in a positive urine pregnancy test is….

A

HCG

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18
Q

ARD or FAN blood culture bottles

A

remove any antibiotics that are in the blood

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19
Q

TDM is used by physicians to…

A

Determined a beneficial drug dosage for a patient

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20
Q

A 2-hour postprandial specimen should be drawn

A

2 hours after the patient finishes eating a meal

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21
Q

The preferred sample for parentage testing is..

A

buccal swab.

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22
Q

Which on of the following tests could be collected using a tube other than a trace element-free tube?

A

Sodium

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23
Q

The CAP requires QC for many waived tests to be performed…

A

when the test manufacturer specifies

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24
Q

A noninvasive transcutaneous method is available to measure

A

neonatal bilirubin

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25
Q

The accumulation of _____ in the blood can cause metabolic acidosis.

A

Lactate

26
Q

What is the recommended disinfectant for blood culture sites in infants 2 months and older?

A

Chlorhexidine gluconate

27
Q

Which one of the following statements about autologous donations is NOT true?

A

Unused autologous units may be used by other patients

28
Q

Everyone who performs POCT in a clinical setting must meet the ________ requirements for testing and the _________ guidelines for specimen handling.

A

CLSI

OSHA

29
Q

A condition in which a patient has a high blood glucose level is known as _______.

A

hyperglycemia

30
Q

Tan-top tubes containing K2ETDA can be used to collect specimens for _________

A

lead analysis

31
Q

The process of entering a password and gaining access to a computer is called …

A

Logging on

32
Q

A specimen would most likely be accepted for testing despite which o the following problems?

Expired evacuated tube
Incomplete identification
NO phlebotomist initials
Quantity not sufficient

A

No phlebotomist initials

33
Q

______ us the permanent computer memory that instructs the computer to carry out user-requested operations.

A

ROM

34
Q

Which of the following is used by the laboratory to identify a specimen throughout the testing process?

A

Accession number

35
Q

A barcode is a ….

A

Series of bars and spaces representing numbers or letters

36
Q

A pneumatic tube is a …

A

pressurized air transportation system.

37
Q

Applications software called “middleware”…

A

Accepts data downloaded from POC instruments

38
Q

An example of a preanalytical error happening during specimen processing is

A

inadequate centrifugation

39
Q

Use of one of the newer technologies, RFID, is emerging in healthcare as a…

A

method of specimen identification

40
Q

Transporting blood specimens with the stopper up has nothing to do with…

A

Maintaining the sterility of the sample

41
Q

Which of hte following would NOT be considered a preanalytical error?

A

Misreporting patient results

42
Q

Which of these is a source of preanalytical error that occurs before specimen collection?

A

Dehydrated patient

43
Q

Which of the following specimens needs to be chilled?

A

Ammonia

44
Q

Which organization develops standards for specimen handling and processing?

A

CLSI

45
Q

According to CLSI, the maximum time limit for separating serum or plasma from cells is

A

2.0 hours from the time of collection

46
Q

Which of the following specimens are least likely to require special handling?

A

Cholesterol and uric acid

47
Q

Which statement describes proper centrifuge operation?

A

Place tubes of equal size and volume opposite one another for balance

48
Q

Which of the following collection circumstances is LEAST likely to result in delayed clotting of a serum sample?

A

Collection was difficult, hemolyzing red cells.

49
Q

Which specimen can be centrifuged immediately upon arrival in specimen processing?

A

calcium in a green top tube

50
Q

Which of the following represents improper aliquot preparation?

A

Carefully pouring the contents into the aliquot tube

51
Q

Which of the following activities is least likely to take place in central processing or triage?

A

analysis and reporting

52
Q

What type of specimens must be processed before routine specimens?

A

All options are correct

53
Q

Which of the following is the best way to prepare routine blood specimen tubes for transportation to an offsite lab?

A

Seal the tubes in a plastic bag

54
Q

Clinical and Laboratory Standards INstitute and Occupational Safety and Health Administration guidelines do NOT require specimen transport bags to have

A

shock-resistance features.

55
Q

Critical values( test values that are considered life threatening) are also called…

A

panic values

56
Q

A test sample that is not recommended to be sent in a pneumatic tube is

A

serum potassium

57
Q

The handling of a specimen before it is actually tested is part of the _________ phase.

A

preanalytical

58
Q

A specimen arrives with less volume than is needed for the test. It will be noted why the specimen was rejected by using the abbreviation______.

A

QNS

59
Q

According to CLSI, __________tubes should be placed upright as soon as they are mixed.

A

gel barrier

60
Q

Laboratory inspection for compliance with shipping regulation and imposing severe penalties for noncompliance can be done by the U.S. _________.

A

DOT

Phlebotomy (6 decks)

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