Histology - USMLE- Muscle Tissue

25 Questions | Total Attempts: 1957

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Histology - USMLE- Muscle Tissue

Histob


Questions and Answers
  • 1. 
    Which fiber type has more myoglobin?
    • A. 

      Red fibers

    • B. 

      White fibers

    • C. 

      Intermediate fibers

    • D. 

      All of the above

    • E. 

      None of the above

  • 2. 
    Which fiber type gets its energy primarily from glycogen?
    • A. 

      Red fibers

    • B. 

      White fibers

    • C. 

      Intermediate fibers

    • D. 

      All of the above

    • E. 

      None of the above

  • 3. 
    Where are satellite cells located ?
    • A. 

      On individual muscle fibres

    • B. 

      On a primary muscle bundle

    • C. 

      On the DCT of fascia

  • 4. 
    Which fiber type is seen in skeletal muscle?
    • A. 

      Red fibers

    • B. 

      White fibers

    • C. 

      Intermediate fibers

    • D. 

      All of the above

    • E. 

      None of the above

  • 5. 
    What is line that bisects the dark band in muscle?
    • A. 

      A band

    • B. 

      I band

    • C. 

      Z line

    • D. 

      H band

    • E. 

      M line

  • 6. 
    What is the outer connective tissue covering of a muscle?
    • A. 

      Epimysium

    • B. 

      Sarcoplasm

    • C. 

      Perimysium

    • D. 

      Sarcolemma

    • E. 

      Endomysium

  • 7. 
    What is myosin?
    • A. 

      Muscle fibers

    • B. 

      Myofibrils

    • C. 

      Myocardium

    • D. 

      Myofilament

    • E. 

      Muscle cell

  • 8. 
    Where is cardiac muscle found?
    • A. 

      Myofilaments

    • B. 

      Myosin

    • C. 

      Muscle fibers

    • D. 

      Myofibrils

    • E. 

      Myocardium

  • 9. 
    What type of muscle has visible cross striations?
    • A. 

      Skeletal muscle

    • B. 

      Cardiac muscle

    • C. 

      Smooth muscle

    • D. 

      Both "a" and "b"

    • E. 

      "a" "b" and "c"

  • 10. 
    What type of muscle is specialized for contraction?
    • A. 

      Skeletal muscle

    • B. 

      Cardiac muscle

    • C. 

      Smooth muscle

    • D. 

      Both "a" and "b"

    • E. 

      "a" "b" and "c"

  • 11. 
    What is released at a synapse?
    • A. 

      Motor unit

    • B. 

      Motor neuron

    • C. 

      Motor end plate

    • D. 

      Neuromuscular spindle

    • E. 

      Neurotransmitter

  • 12. 
    Which fiber type is more resistant to fatigue?
    • A. 

      Red fibers

    • B. 

      White fibers

    • C. 

      Intermediate fibers

    • D. 

      All of the above

    • E. 

      None of the above

  • 13. 
    Lance Armstrong is the seven time winner of the Tour de France. The Tour de France is a bicycle race which covers between 3500 to 4000 kilometers. What type of muscle fiber probably predominates in his legs?
    • A. 

      Red fibers

    • B. 

      White fibers

    • C. 

      Intermediate fibers

    • D. 

      All of the above

    • E. 

      None of the above

  • 14. 
    What region is made of thin filaments?
    • A. 

      A band

    • B. 

      I band

    • C. 

      Z line

    • D. 

      H band

    • E. 

      M line

  • 15. 
    On a cross section of a muscle, how many thin filaments surround each thick filament?
    • A. 

      2

    • B. 

      3

    • C. 

      4

    • D. 

      6

    • E. 

      8

  • 16. 
    What is the plasma membrane of a muscle cell called?
    • A. 

      Endomysium

    • B. 

      Sarcolemma

    • C. 

      Sarcoplasm

    • D. 

      Perimysium

    • E. 

      Epimysium

  • 17. 
    What are the thin filaments?
    • A. 

      Myocardium

    • B. 

      Myofibrils

    • C. 

      Myofilaments

    • D. 

      Muscle fibers

    • E. 

      Myosin

  • 18. 
    Which of the following is composed of skeletal muscle?
    • A. 

      Tongue

    • B. 

      Blood vessel

    • C. 

      Walls of the visceral organs

    • D. 

      Lower esophagus

    • E. 

      Heart

  • 19. 
    What type of muscle is composed of spindle shaped cells?
    • A. 

      Skeletal muscle

    • B. 

      Cardiac muscle

    • C. 

      Smooth muscle

    • D. 

      Both "a" and "b"

    • E. 

      "a" "b" and "c"

  • 20. 
    What type of muscle is always multinucleated?
    • A. 

      Skeletal muscle

    • B. 

      Cardiac muscle

    • C. 

      Smooth muscle

    • D. 

      Both "a" and "b"

    • E. 

      "a" "b" and "c"

  • 21. 
    Which fiber type is smaller in diameter?
    • A. 

      Red fibers

    • B. 

      White fibers

    • C. 

      Intermediate fibers

    • D. 

      All of the above

    • E. 

      None of the above

  • 22. 
    Which fiber type fatigues more readily?
    • A. 

      Red fibers

    • B. 

      White fibers

    • C. 

      Intermediate fibers

    • D. 

      All of the above

    • E. 

      None of the above

  • 23. 
    What type of muscle probably predominates in Charles Atlas, the worlds most famous power weight lifter?
    • A. 

      Red fibers

    • B. 

      White fibers

    • C. 

      Intermediate fibers

    • D. 

      All of the above

    • E. 

      None of the above

  • 24. 
    What is line that bisects the light band in muscle?
    • A. 

      A band

    • B. 

      I band

    • C. 

      Z line

    • D. 

      H band

    • E. 

      M line

  • 25. 
    What is the name of the tissue which surrounds muscle fascicles?
    • A. 

      Perimysium

    • B. 

      Periosteum

    • C. 

      Perichondrium

    • D. 

      Perineurium

    • E. 

      Endosteum

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