mdcat logical reasoning MCQ #314

A 25-year-old jogger experiences muscle cramps during a long-distance run. Which ion channel plays a crucial role in muscle contraction?

mdcat logical reasoning MCQ #314

  1. Question 1

    Q1. A 25-year-old jogger experiences muscle cramps during a long-distance run. Which ion channel plays a crucial role in muscle contraction?

    • A) Sodium-potassium pump
    • B) Sodium-chloride symporter
    • C) Voltage-gated sodium channels
    • D) Calcium channels

    Answer: Calcium channels

    Explanation: Calcium channels regulate muscle contraction, but not sodium-potassium pump or sodium-chloride symporter.