Clinical Phases of Testing in the Laboratory

Question 1

Test Ordering

Answer 1

Pre

Question 2

Specimen Collection

Answer 2

Pre

Question 3

Transporting the Specimen

Answer 3

Pre

Question 4

Entering Px Info

Answer 4

Pre

Question 5

Centrifuging

Answer 5

Pre

Question 6

Separating and Aliquoting Plasma

Answer 6

Pre

Question 7

Delivery to Laboratory Loc

Answer 7

Pre

Question 8

Factors affecting Lab Results

Answer 8

Controllable and uncontrollable

Question 9

Commercial Controls

Answer 9

Analytical

Question 10

Record Keeping

Answer 10

Analytical

Question 11

Specimen Analysis

Answer 11

Analytical

Question 12

[Components of an Analytical Run]

Tube only, no serum, no reagent

Answer 12

Air Blank

Question 13

[Components of an Analytical Run]

Cuvette with distilled water only

Answer 13

Water Blank

Question 14

[Components of an Analytical Run]

Reagent Only, no serum

Answer 14

Reagent Blank

Question 15

[Components of an Analytical Run]

Nothing but serum in the cuvette

Answer 15

Serum Blank

Question 16

[Components of an Analytical Run]
also called Reference Material
pure solution of known exact ___

Answer 16

Standard, concentration

Question 17

[Components of an Analytical Run]
Normal in a spectrophotometer
usual color

Answer 17

Control Normal

Blue

Question 18

[Components of an Analytical Run]

Elevated in a spectrophotometer

Answer 18

Control Pathologic

Red

Question 19

[Components of an Analytical Run]

Px Specimen

Answer 19

Unknown Specimen/ Patient’s Serum

Question 20

[Sources of Control]
labs that prepare their own control should collect a large pool sufficient to last ___.
Control should be analyzed at least ___ times to obtain mean value
Accepted: +/- __ SD

Answer 20

Pooled Control Sera
1 year
20
2

Question 21

[Sources of Control]
either prepared from human serum or from ___-based products
have an established expected range

Answer 21

Commercial Control Sera

Bovine

Question 22

Closeness to true value

Answer 22

Accuracy

Question 23

Closeness of Values

Answer 23

Precision

Question 24

Sources of Errors in Post-Analytical Phase

Answer 24

Interpretation and Reporting out Specimen Results
Physician Contact
Reference Ranges

Question 25

[Proper Waste Disposal]

Black

Answer 25

Non-infectious, Dry waste

Question 26

[Proper Waste Disposal]

Green

Answer 26

Non-infectious, Wet Waste

Question 27

[Proper Waste Disposal]

Yellow

Answer 27

Pharmaceutical, Pathological, Infectious Waste

Question 28

[Proper Waste Disposal]

Orange

Answer 28

Radioactive Waste