Question 1

Which of the following is the only analyte unaffected by glycolysis?

Accepted Answer

A)   Glucose
B)   Calcitonin
C)   Hemoglobin
D)   PhosphorusE) A) and B)
F) A) and C) C

Question 2

A unique identifying number used for cataloging samples in the lab is referred to as what kind of number?

Accepted Answer

A)   Accession
B)   Aliquot
C)   Lab
D)   SafetyE) A) and B)
F) B) and C) A

Question 3

What notation is used to indicate that the sample volume is insufficient for testing?

Accepted Answer

A)   EDTA
B)   IFT
C)   QNS
D)   VISE) B) and C)
F) None of the above

Question 4

Blood smears from EDTA specimens must be made within what time period after collection to prevent distortion of cell morphology?

Accepted Answer

A)   30 minutes
B)   1 hour
C)   12 hours
D)   24 hoursE) All of the above
F) None of the above

Question 5

Which of the following is a term meaning small portions of a specimen transferred into separate containers?

Accepted Answer

A)   Aliquots
B)   Accessioned sample
C)   Centrifuged parts
D)   PortionsE) A) and B)
F) A) and C)

Question 6

Before dividing a 24-hour urine sample into aliquots, what must be done with the sample?

Accepted Answer

A)   Place it in the refrigerator for 1 hour.
B)   Add anticoagulant to the container.
C)   Measure and record the volume of the sample.
D)   Mix it, then divide into aliquots as needed.E) All of the above
F) A) and B)

Question 7

What is the major safety risk in removing stoppers from blood collection tubes?

Accepted Answer

A)   Aerosols
B)   Aliquots
C)   Breaking the tube
D)   Needle punctureE) A) and B)
F) All of the above A

Question 8

According to CLSI, what is the maximum amount of time that may be allowed to elapse between collection of a blood sample and separation of cells from plasma or serum?

Accepted Answer

A)   30 minutes
B)   2 hours
C)   12 hours
D)   24 hoursE) None of the above
F) B) and D)

Question 9

Which of the following is an acceptable sample for lab testing?

Accepted Answer

A)   A half-full sodium citrate tube for coagulation testing
B)   A cold agglutinin test transported at 37°C
C)   A urine sample for C&S in a nonsterile clean container
D)   An EDTA tube for a calcium testE) A) and C)
F) A) and D)

Question 10

Which of the following problems with a blood sample may be caused by extremes of temperature?

Accepted Answer

A)   Clotting
B)   Glycolysis
C)   Hemoconcentration
D)   HemolysisE) B) and C)
F) C) and D)

Question 11

If the stopper is removed from a tube before centrifugation, what effect will this have on the carbon dioxide and pH levels in the sample?

Accepted Answer

A)   A decrease in CO2 and an increase in pH
B)   A decrease in CO2 and a decrease in pH
C)   An increase in CO2 and an increase in pH
D)   An increase in CO2 and a decrease in pHE) B) and C)
F) A) and B)

Question 12

Within what time frame should a routine blood collection sample be delivered to the lab?

Accepted Answer

A)   15 minutes
B)   45 minutes
C)   2 hours
D)   4 hoursE) B) and D)
F) All of the above

Question 13

Which of the following tubes can be centrifuged immediately after collection?

Accepted Answer

A)   Heparin tube
B)   Plain tube
C)   SST tube
D)   Thrombin tubeE) A) and B)
F) All of the above

Question 14

An analyte needs to be protected from light, but you do not have any amber tubes. What is another way to protect the specimen?

Accepted Answer

A)   Transport it as soon as possible and it will be acceptable.
B)   Cover the specimen with aluminum foil.
C)   Turn out all the lights during sample collection and transport it to the lab right away.
D)   Stand the tube upright in a rack with other specimens on all sides surrounding the sample.E) A) and B)
F) None of the above

Question 15

Which of the following is the term for the metabolic breakdown of sugar within cells?

Accepted Answer

A)   Glucagon
B)   Glycolysis
C)   Glucolysis
D)   GlycosuriaE) None of the above
F) All of the above

Question 16

Whole blood specimens collected in EDTA are stable for how long?

Accepted Answer

A)   1 hour
B)   12 hours
C)   24 hours
D)   48 hoursE) A) and B)
F) A) and C)

Question 17

How many times should tubes with additives be inverted after collection?

Accepted Answer

A)   None
B)   1 to 5
C)   5 to 10
D)   10 to 15E) A) and D)
F) A) and C)

Question 18

What is the maximum amount of time a glucose sample collected in a gray top tube can be held at room temperature without loss of viability?

Accepted Answer

A)   2 hours
B)   12 hours
C)   24 hours
D)   48 hoursE) None of the above
F) C) and D)

Question 19

A small centrifuge head has 12 spots (holes)  labeled in a manner similar to a clock face. There are three tubes of equal volume that need to be centrifuged. In which of the following choices for tube placement would the centrifuge be balanced?

Accepted Answer

A)   1, 2, 3
B)   1, 4, 7
C)   1, 5, 9
D)   1, 3, 8E) A) and D)
F) None of the above

Question 20

Which of the following tests is most affected by glycolysis in the tube after collection?

Accepted Answer

A)   Glucose
B)   Hemoglobin
C)   Potassium
D)   APTTE) All of the above
F) A) and B)

Exam 16: Specimen Transport, Handling, and Processing

Which of the following is the only analyte unaffected by glycolysis?

Correct AnswerverifiedC

A unique identifying number used for cataloging samples in the lab is referred to as what kind of number?

Correct AnswerverifiedA

What notation is used to indicate that the sample volume is insufficient for testing?

Correct AnswerverifiedShow Answer

Blood smears from EDTA specimens must be made within what time period after collection to prevent distortion of cell morphology?

Correct AnswerverifiedShow Answer

Which of the following is a term meaning small portions of a specimen transferred into separate containers?

Correct AnswerverifiedShow Answer

Before dividing a 24-hour urine sample into aliquots, what must be done with the sample?

Correct AnswerverifiedShow Answer

What is the major safety risk in removing stoppers from blood collection tubes?

Correct AnswerverifiedA

According to CLSI, what is the maximum amount of time that may be allowed to elapse between collection of a blood sample and separation of cells from plasma or serum?

Correct AnswerverifiedShow Answer

Which of the following is an acceptable sample for lab testing?

Correct AnswerverifiedShow Answer

Which of the following problems with a blood sample may be caused by extremes of temperature?

Correct AnswerverifiedShow Answer

If the stopper is removed from a tube before centrifugation, what effect will this have on the carbon dioxide and pH levels in the sample?

Correct AnswerverifiedShow Answer

Within what time frame should a routine blood collection sample be delivered to the lab?

Correct AnswerverifiedShow Answer

Which of the following tubes can be centrifuged immediately after collection?

Correct AnswerverifiedShow Answer

An analyte needs to be protected from light, but you do not have any amber tubes. What is another way to protect the specimen?

Correct AnswerverifiedShow Answer

Which of the following is the term for the metabolic breakdown of sugar within cells?

Correct AnswerverifiedShow Answer

Whole blood specimens collected in EDTA are stable for how long?

Correct AnswerverifiedShow Answer

How many times should tubes with additives be inverted after collection?

Correct AnswerverifiedShow Answer

What is the maximum amount of time a glucose sample collected in a gray top tube can be held at room temperature without loss of viability?

Correct AnswerverifiedShow Answer

A small centrifuge head has 12 spots (holes) labeled in a manner similar to a clock face. There are three tubes of equal volume that need to be centrifuged. In which of the following choices for tube placement would the centrifuge be balanced?

Correct AnswerverifiedShow Answer

Which of the following tests is most affected by glycolysis in the tube after collection?

Correct AnswerverifiedShow Answer

Correct Answer
verified
C

Correct Answer
verified
A

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
A

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified