MDCAT Biology MCQ #1677

A male patient presents with respiratory issues and infertility due to immotile cilia and sperm. This clinical scenario indicates a defect in which cytoskeletal component?

MDCAT Biology MCQ #1677

  1. Question 1

    Q1. A male patient presents with respiratory issues and infertility due to immotile cilia and sperm. This clinical scenario indicates a defect in which cytoskeletal component?

    • A) Microfilaments
    • B) Microtubules
    • C) Intermediate filaments
    • D) Myosin filaments

    Answer: Microtubules

    Explanation: Microtubules form the 9+2 arrangement in cilia and flagella. Microfilaments are tempting as they are also cytoskeletal, but they handle cell crawling.