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5 Written questions

5 Matching questions

  1. _____stores oxygen in muscle cells
  2. If both of the neurons were activated, more muscle fibers would contract than if either neuron alone were active. This mechanism for control of the force of muscle contraction is known as ______.
  3. The muscle cell membrane is called the ________.
  4. In a neuromuscular junction, synaptic vesicles in the motor neuron contain which neurotransmitter?

    A) acetylcholine (ACh)
    B) dopamine
    C) serotonin
    D) norepinephrine
  5. ______ weight lifting
  1. a myoglobin
  2. b sarcolemma
  3. c aerobic pathway
  4. d A) acetylcholine
  5. e recruitment

5 Multiple choice questions

  1. B
  2. True
  3. A
  4. myoglobin
  5. Binding of ATP

5 True/False questions

  1. When calcium binds to ____, _____ releases tropomysoin, exposing the myosin binding sitesacetylcholine

          

  2. The thin filaments (actin) contain a polypeptide subunit G actin that bears active sites for myosin attachment.C

          

  3. What is the name given to the regularly spaced infoldings of the sarcolemma?sarcomere

          

  4. Excitation-contraction coupling includes all EXCEPT which of the following events?

    A) release of acetylcholine from axon terminals at the neuromuscular junction
    B) binding of calcium ions to troponin, which removes the blocking action of tropomyosin
    C) release of calcium ions from the terminal cisterns
    D) propagation of an action potential along the sarcolemma and down T tubules
    A

          

  5. Muscle tissue has all of the following properties except ________.
    secretion
    extensibility
    excitability
    contractility
    B

          

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