Intro to Clinical Lab

Question 1

What are preanalytical variables?

Answer 1

Variables that affect test results before the tests are analyzed

Question 2

What are analytical variables?

Answer 2

Anything that can interfere with the actual analysis of the test by the lab

Question 3

What are post-analytical variables?

Answer 3

Anything that can happen after results are reported

Question 4

Who checks for analytic correctness of lab results? For clinical significant?

Answer 4

Technologist

Physician

Question 5

Precision vs. accuracy

Answer 5

Precision - all grouped together

Accuracy - all in good area

Question 6

What color cap is a glass tube with nothing in it?

Answer 6

Red

Question 7

What color cap is a plastic tube with nothing in it?

Answer 7

Red/Gray (anticoagulant in it)

Question 8

What color cap is a tube with citrate?

Answer 8

Light blue

Question 9

What color cap is a tube with EDTA?

Answer 9

Purple

Question 10

What color cap is a tube with Heparin?

Answer 10

Green

Question 11

What color cap is a tube with Fluoride?

Answer 11

Gray

Question 12

What color cap is a tube with Acid-citrate-dextrose or sodium polyanethol sulfonate?

Answer 12

Yellow

Question 13

What color cap is a tube with the stopped treated?

Answer 13

Dark blue