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Exam 3 - Skeletal Muscle

  1.  
    Why does skeletal muscle appear striated?
    A. Intercalated discs B. Motor units C. Alternating light and dark bands D. Perimysium
  2.  
    What is the % of water in skeletal muscle?
    A. 65 B. 80 C. 70 D. 75
  3.  
    Where is a triad located?
    A. H-zone B. M-band C. I-band D. Z-line
  4.  
    What makes up a motor unit?
    A. Motor neuron B. Muscle fiber C. Sarcomere D. Motor neuron and the fibers it innervates
  5.  
    What are the 4 properties of skeletal muscle?
  6.  
    What are muscle spindles filled with?
    A. Lymph and specialized fibers B. Endomysium C. Cytoplasm
  7.  
    Is one stronger on the eccentric or concentric contraction?
    A. Concentric B. Eccentric
Answer Key
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Exam 3 - Skeletal Muscle (Answer Key)

  1.  
    Why does skeletal muscle appear striated?
    A. Intercalated discs B. Motor units C. Alternating light and dark bands D. Perimysium
  2.  
    What is the % of water in skeletal muscle?
    A. 65 B. 80 C. 70 D. 75
  3.  
    Where is a triad located?
    A. H-zone B. M-band C. I-band D. Z-line
  4.  
    What makes up a motor unit?
    A. Motor neuron B. Muscle fiber C. Sarcomere D. Motor neuron and the fibers it innervates
  5.  
    What are the 4 properties of skeletal muscle?
    Extensibility, elasticity, excitability, and contractility
  6.  
    What are muscle spindles filled with?
    A. Lymph and specialized fibers B. Endomysium C. Cytoplasm
  7.  
    Is one stronger on the eccentric or concentric contraction?
    A. Concentric B. Eccentric

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