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BIO 201 Objective Question
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Question

Which pre-analytical factor is a leading cause of erroneous biomarker measurements in clinical pathology laboratories?
Options
A Improper specimen tube collection, delay in centrifugation, or incorrect storage temperature
Correct Answer
B Use of monoclonal instead of polyclonal secondary antibodies
C Sub-optimal laser alignment within flow cytometers
D Statistical failure to achieve a 1:1 allocation ratio in parallel arms
Correct Answer

Option A is the correct answer.

Detailed Explanation

Pre-analytical variables—including transport delay, heat exposure, and anti-coagulant mismatch—account for the majority of clinical laboratory testing errors.

Hint

No hint available

Question Info

Course: BIO 201
Type: Objective
Difficulty: Not specified
Question 42 of 285
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