Medical Technologist Test Medical Technologist Terminology 5

Question 1

The term 'phlebotomy' refers to:

Accepted Answer

The act of drawing blood from a vein

Answer

Phlebotomy is the clinical procedure of incising a vein or puncturing it to collect a blood specimen.

Question 2

What does 'pyuria' indicate in a urinalysis report?

Accepted Answer

Presence of white blood cells in urine suggesting infection or inflammation

Answer

Pyuria is defined as ≥5-10 WBCs per high-power field in urine sediment, commonly associated with urinary tract infection.

Question 3

In clinical chemistry, 'substrate' refers to:

Accepted Answer

The molecule upon which an enzyme acts

Answer

A substrate is the specific molecule an enzyme binds and converts to product during a biochemical reaction.

Question 4

Which term describes the ability of a test to give the same result on repeated measurements of the same sample?

Accepted Answer

Precision

Answer

Precision (reproducibility) is the closeness of agreement between repeated measurements under identical conditions.

Question 5

The term 'agglutination' in serology describes:

Accepted Answer

Clumping of particles (cells or latex beads) caused by antibody cross-linking antigens

Answer

Agglutination is the visible clumping of antigen-bearing particles when cross-linked by multivalent antibodies.

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