Which Blood Test Examines the Shape of Red Blood Cells

question 132

Multiple Choice

Which blood test examines the shape of red blood cells?

• A)red blood cell morphology
• B)red blood cell count
• C)hemoglobin
• D)complete blood count

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Definitions:

Confounding Variable

A variable that is not controlled in a research investigation. In an experiment the experimental groups diĉer onboth the independent variable andthe confounding variable.

Internal Validity

Refers to how well an experiment is conducted and whether it measures what it's supposed to measure, without being confounded by other factors.

Independent Variable

A variable in an experiment that is manipulated to observe its effects on a dependent variable.

Internal Validity

The extent to which a study provides evidence that a causal relationship exists between the variables it examines, free from confounding factors.