Test Four

Question 1

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

Answer 1

Type and crossmatch

Question 2

Which test requires strict skin antisepsis procedures before specimen collection?

Answer 2

Blood culture

Question 3

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

Answer 3

ensure that video monitoring equipment is working during specimen collection.

Question 4

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

Answer 4

Sodium Fluoride

Question 5

When performing a GTT, the timing should begin…

Answer 5

as soon as the patient finishes the drink.

Question 6

Which test is used to monitor heparin therapy?

Answer 6

ACT

Question 7

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

Answer 7

Chlorhexidine gluconate

Question 8

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

Answer 8

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

Question 9

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

Answer 9

All options are correct.

Question 10

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

Answer 10

Aerobic

Question 11

A chain of custody is…

Answer 11

a special protocol used when collecting forensic specimens

Question 12

For which condition is a unit of blood withdrawn from a patient as treatment…

Answer 12

Hemochromatosis

Question 13

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

Answer 13

Pink top

Question 14

An autologous blood transfusion is a transfusion of blood..

Answer 14

donated by the patient for the patient

Question 15

The most critical aspect of blood culture collection is ….

Answer 15

skin antisepsis

Question 16

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

Answer 16

Prothrombin time

Question 17

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

Answer 17

HCG

Question 18

ARD or FAN blood culture bottles

Answer 18

remove any antibiotics that are in the blood

Question 19

TDM is used by physicians to…

Answer 19

Determined a beneficial drug dosage for a patient

Question 20

A 2-hour postprandial specimen should be drawn

Answer 20

2 hours after the patient finishes eating a meal

Question 21

The preferred sample for parentage testing is..

Answer 21

buccal swab.

Question 22

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

Answer 22

Sodium

Question 23

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

Answer 23

when the test manufacturer specifies

Question 24

A noninvasive transcutaneous method is available to measure

Answer 24

neonatal bilirubin

Question 25

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

Answer 25

Lactate

Question 26

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

Answer 26

Chlorhexidine gluconate

Question 27

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

Answer 27

Unused autologous units may be used by other patients

Question 28

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

Answer 28

CLSI | OSHA

Question 29

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

Answer 29

hyperglycemia

Question 30

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

Answer 30

lead analysis

Question 31

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

Answer 31

Logging on

Question 32

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

Answer 32

No phlebotomist initials

Question 33

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

Answer 33

ROM

Question 34

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

Answer 34

Accession number

Question 35

A barcode is a ....

Answer 35

Series of bars and spaces representing numbers or letters

Question 36

A pneumatic tube is a ...

Answer 36

pressurized air transportation system.

Question 37

Applications software called "middleware"...

Answer 37

Accepts data downloaded from POC instruments

Question 38

An example of a preanalytical error happening during specimen processing is

Answer 38

inadequate centrifugation

Question 39

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

Answer 39

method of specimen identification

Question 40

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

Answer 40

Maintaining the sterility of the sample

Question 41

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

Answer 41

Misreporting patient results

Question 42

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

Answer 42

Dehydrated patient

Question 43

Which of the following specimens needs to be chilled?

Answer 43

Ammonia

Question 44

Which organization develops standards for specimen handling and processing?

Answer 44

CLSI

Question 45

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

Answer 45

2.0 hours from the time of collection

Question 46

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

Answer 46

Cholesterol and uric acid

Question 47

Which statement describes proper centrifuge operation?

Answer 47

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

Question 48

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

Answer 48

Collection was difficult, hemolyzing red cells.

Question 49

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

Answer 49

calcium in a green top tube

Question 50

Which of the following represents improper aliquot preparation?

Answer 50

Carefully pouring the contents into the aliquot tube

Question 51

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

Answer 51

analysis and reporting

Question 52

What type of specimens must be processed before routine specimens?

Answer 52

All options are correct

Question 53

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

Answer 53

Seal the tubes in a plastic bag

Question 54

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

Answer 54

shock-resistance features.

Question 55

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

Answer 55

panic values

Question 56

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

Answer 56

serum potassium

Question 57

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

Answer 57

preanalytical

Question 58

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______.

Answer 58

QNS

Question 59

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

Answer 59

gel barrier

Question 60

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

Answer 60

DOT