YMCA L3 Anatomy - Musculoskeletal System

20 Questions | Total Attempts: 195

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YMCA L3 Anatomy - Musculoskeletal System - Quiz

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Questions and Answers
  • 1. 
    Which of the following is an example of smooth, involuntary muscle?
    • A. 

      Digestive tract

    • B. 

      Heart

    • C. 

      Biceps

    • D. 

      Latissimus dorsi

  • 2. 
    What type of muscle fibre forms the walls of blood vessels?
    • A. 

      Smooth

    • B. 

      Skeletal

    • C. 

      Striated

    • D. 

      Cardiac

  • 3. 
    What is the alternative given to skeletal muscle tissue?
    • A. 

      Striated

    • B. 

      Cardiac

    • C. 

      Involuntary

    • D. 

      Smooth

  • 4. 
    Which one of the following is a type of muscle tissue is voluntary?
    • A. 

      Trapezius

    • B. 

      Arterial wall

    • C. 

      Digestive tract

    • D. 

      Heart

  • 5. 
    Which of the following is the broad protective sheath that surrounds the entire muscle?
    • A. 

      Epimysium

    • B. 

      Perimysium

    • C. 

      Myofibril

    • D. 

      Endomysium

  • 6. 
    Which of the following surrounds each individual muscle fibre?
    • A. 

      Endomysium

    • B. 

      Sarcomere

    • C. 

      Epimysium

    • D. 

      Perimysium

  • 7. 
    What is the role of a motor unit?
    • A. 

      Co-ordinate the contractions of a single muscle

    • B. 

      Co-ordinate the contractions of all muscles

    • C. 

      Sends signals to the brain

    • D. 

      Brings signals from the brain

  • 8. 
    What is the term used to describe the connective tissue which surrounds each bundle of muscle fibres?           
    • A. 

      Perimysium

    • B. 

      Epimysium

    • C. 

      Endomysium

    • D. 

      Fascia

  • 9. 
    What is the correct order of the skeletal muscle components, from largest to smallest?
    • A. 

      Muscle, fascicle, muscle fibre, myofibril, sarcomere, myofilament

    • B. 

      Fascicle, muscle, muscle fibre, myofibril, sarcomere, myofilament

    • C. 

      Sarcomere, muscle fibre, myofilament, myofibril, muscle, fascicle

    • D. 

      Muscle, muscle fibre, fascicle, sarcomere, myofilament, myofibril

  • 10. 
    What structures within skeletal muscle tissue bring about contraction?
    • A. 

      Actin and Myosin

    • B. 

      Tendon and Ligament

    • C. 

      Perimysium and Epimysium

    • D. 

      Calcium and Tropomyosin

  • 11. 
    When a myosin head attaches to an actin filament the resulting connection is known as a
    • A. 

      Cross-bridge

    • B. 

      Cross-band

    • C. 

      Cross-contraction

    • D. 

      Cross-slide

  • 12. 
    What is the role of calcium during the process of muscle contraction?
    • A. 

      Reveals binding site on the actin

    • B. 

      Reveals binding site on the myosin

    • C. 

      Replenishes ATP

    • D. 

      Pulls myosin and actin together

  • 13. 
    How many ATP molecules are used during every ‘crossbridge’?
    • A. 

      One

    • B. 

      Two

    • C. 

      Five

    • D. 

      Ten

  • 14. 
    What muscle fibres are used in both aerobic and anaerobic energy production?
    • A. 

      Type IIa

    • B. 

      Type III

    • C. 

      Type I

    • D. 

      Type IIb

  • 15. 
    Describe the characteristics of Type llb muscle fibres?  
    • A. 

      Thicker with high firing threshold

    • B. 

      Thinner with high firing threshold

    • C. 

      Thinner with low firing threshold

    • D. 

      Thicker with low firing threshold

  • 16. 
    Which of the muscle fibre types generate ATP slowly?
    • A. 

      Type I

    • B. 

      Type IIa

    • C. 

      Type IIb

    • D. 

      Type III

  • 17. 
    What effect will long-term strength training have on type 2 muscle fibres?
    • A. 

      Hypertrophy

    • B. 

      Hyperplasia

    • C. 

      Atrophy

    • D. 

      Hyperglobal

  • 18. 
    Which type of exercise is used to predominately train type 1 muscle fibres?
    • A. 

      Cardiovascular activities

    • B. 

      Muscular strength activities

    • C. 

      Interval training

    • D. 

      Yoga

  • 19. 
    Which muscle fibre type is predominantly used during low intensity activities?
    • A. 

      Type I

    • B. 

      Type IIa

    • C. 

      Type IIb

    • D. 

      Type III

  • 20. 
    What is the name of the structure that contains both actin and myosin?
    • A. 

      Sarcomere

    • B. 

      Myofilament

    • C. 

      Fascicle

    • D. 

      Perimysium

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