Introduction to Clinical Biochemistry #1

Question 1

Gel plugs in blood tubes are used to separate _________ from red cells

Answer 1

Serum

Question 2

If the blood has an additive that prevents clotting, once centrifuged the non-red cell fraction is called __________

Answer 2

Plasma

Question 3

High chloride in __________ is used to diagnose cystic fibrosis

Answer 3

Sweat

Question 4

An ___________ is a substance that is measured in clinical samples

Answer 4

Analyse

Question 5

Paper point of care testers denote analyte concentrations by changes in _________

Answer 5

Colour

Question 6

An example of a paper point of care tester is a ___________ strip incorporating pH, presence of protein and glucose.

Answer 6

Urine

Question 7

Ability to measure only the analyte in question is analytical ____________

Answer 7

Specificity

Question 8

The smallest amount/concentration of analyte that can be detected is analytical _____________

Answer 8

Sensitivity

Question 9

The ability of the test to give the correct value is the ____________

Answer 9

Accuracy

Question 10

The reproducibility of the test is its ___________

Answer 10

Precision

Question 11

Samples are identified and tracked using a ______________

Answer 11

Bar code

Question 12

All samples should be treated as though they are potentially ____________

Answer 12

Infectious

Question 13

_____________ precautions dictate that samples are treated as though they are potentially infectious.

Answer 13

Standard

Question 14

The ability of an assay to detect only patients WITH a disease is the clinical _____________

Answer 14

Sensitivity

Question 15

The ability of an assay to detect only that disease, with no false positives is the clinical ___________

Answer 15

Specificity

Question 16

The clinical sensitivity is reduced if there are false __________ tests

Answer 16

Negative