mdcat logical reasoning MCQ #757

A 16-year-old athlete's muscle contraction is regulated by the

mdcat logical reasoning MCQ #757

  1. Question 1

    Q1. A 16-year-old athlete's muscle contraction is regulated by the

    • A) Sliding filament theory
    • B) Actin-myosin complex
    • C) Troponin-tropomyosin complex
    • D) Calcium ion concentration

    Answer: Troponin-tropomyosin complex

    Explanation: Troponin-tropomyosin complex regulates muscle contraction, not calcium ion concentration. USAT, HAT and MDCAT analytical sections repeat this pattern.