MDCAT Biology MCQ #5642

A 30-year-old man suffers a muscle strain during weightlifting. Which type of muscle fiber is most prone to fatigue?

MDCAT Biology MCQ #5642

  1. Question 1

    Q1. A 30-year-old man suffers a muscle strain during weightlifting. Which type of muscle fiber is most prone to fatigue?

    • A) Slow-twitch
    • B) Fast-twitch
    • C) Cardiac muscle
    • D) Smooth muscle

    Answer: Fast-twitch

    Explanation: Fast-twitch fibers are used for high-intensity activities and fatigue quickly; Slow-twitch fibers are more endurance-oriented.