mdcat logical reasoning MCQ #742

A 20-year-old engineer is working on a project that requires her to be on her feet for 8 hours. Which type of muscle fiber is responsible for her endurance?

mdcat logical reasoning MCQ #742

  1. Question 1

    Q1. A 20-year-old engineer is working on a project that requires her to be on her feet for 8 hours. Which type of muscle fiber is responsible for her endurance?

    • A) Type I muscle fibers
    • B) Type IIb muscle fibers
    • C) Type IIx muscle fibers
    • D) Type IIA muscle fibers

    Answer: Type I muscle fibers

    Explanation: Type I muscle fibers are responsible for endurance, as they have a high mitochondrial density and can utilize fatty acids for energy.