Section 24 - Specimen Handling And Procurement

Question 1

TRUE OR FALSE: All tests require the same handling/preservation.

Answer 1

FALSE

Question 2

What does “basal state” refer to?

Answer 2

Fasting (nothing by mouth) and refraining from strenuous exercise for 8-12 hours before the blood draw

Question 3

A lipid panel should be drawn in which tube?

Answer 3

STT tube (gold top)

Question 4

Samples are often collected at a specific time to monitor what?

Answer 4

A specific substance or condition in the patient

Question 5

When are trough levels collected?

Answer 5

15 minutes before the scheduled pharmaceutical dose

Question 6

What are cold agglutinins?

Answer 6

Antibodies produced in response to mycoplasma pneumonia infection (atypical pneumonia)

Question 7

How long have the tubes been pre-warmed for a warmed sample collection?

Answer 7

30 min

Question 8

At what temperature have the tubes been pre-warmed for the same collection?

Answer 8

37 C (98.6 F)

Question 9

What does chilling a sample prevent?

Answer 9

Separation from occurring within the specimen

Question 10

What should the phlebotomist do to prevent contamination from light?

Answer 10

-wrap tubes in aluminum foil
-amber bag
-amber tube

Question 11

What does without stasis mean?

Answer 11

Without a tourniquet

Question 12

What percentage of lab errors result from improper handling of the specimen(s) before analysis?

Answer 12

46-65%

Question 13

What is an analytical error that may occur during blood collection?

Answer 13

-extended tourniquet time
-hemolysis
-wrong order of draw
-failure to invert tubes
-faulty technique
-inadequate quantity (QNS)