Which Statement About Fast-Twitch and Slow-Twitch Fibers Is False

question 52

Multiple Choice

Which statement about fast-twitch and slow-twitch fibers is false?

• A) Athletes in different sports show different percentages of slow-twitch muscle fibers.
• B) Differences in the amount of myoglobin and number of mitochondria contribute to the differences in the color of fibers.
• C) A single muscle may contain fast- and slow-twitch fibers.
• D) Fast-twitch fibers fatigue slowly.
• E) The proportion of fast-twitch and slow-twitch fibers in muscle can be altered using different types of athletic training.

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Definitions:

CPT

Current Procedural Terminology, a set of medical codes used to describe diagnostics, treatments, and procedures for billing purposes.

ICD-9-CM

An outdated system used in the United States for classifying and coding diagnoses, symptoms, and procedures recorded in conjunction with hospital care, replaced by ICD-10-CM.

ICD-10-CM

ICD-10-CM stands for International Classification of Diseases, 10th Revision, Clinical Modification, a coding system used for diagnosing and classifying diseases.

Moderate Level Evaluation

An assessment of an intermediate degree of complexity, severity, or intensity, often used in educational or occupational contexts.