Place in order the true events of electrochemical signaling & muscular contraction, which occur at the neuromuscular...

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Medical Sciences

  1. Place in order the true events of electrochemicalsignaling & muscular contraction, which occur at theneuromuscular junction.                     Note: not all letters are correct, readcarefully.

  1. First(            )                                            a. Neurotransmitter released across synapse

                                                               b. Ca binds to the thick filament of sarcomere

  1. Second (   )                                            c. Release of neurotransmitters from post-synaptic cell

                                                               d. ACH received at post-synaptic receptors

  1. Third(          )                                           e. Ca binds to the thin filament of sarcomere
  1. Movement of the human eye is dependent upon the action of 6extra-ocular muscles. Which of the following choices is NOTan extra-ocular muscle?
    1. Externaloblique                                                                              c. Lateral rectus
    2. Superioroblique                                                                              d. Inferior rectus
  1. If a large muscle body crosses over the lateral aspect of ajoint & attaches at lateral bony processes, the musclemost likely serves to perform what major motion?
    1. Adduction                                                                                          c. Flexion
    2. Abduction                                                                                          d. Extension
  1. Which of the answer choice correctly identifies a key functionof the muscles of the pelvic floor?
    1. Urinationcontrol                                                                             d. Support pelvic viscera
    2. Resist increase in intrabdominalpressure                            e. Allow support for sexual function
    3. All of the above (A, B, D,E)                                                          f. None of the above (A, B, D, E)

Answer & Explanation Solved by verified expert
4.3 Ratings (889 Votes)
1First The neurotransmitter released across the synapse Second ACh received at postsynaptic receptors Third Ca binds to the thin filament of the sarcomere 2aExternal oblique is not an extra ocular muscle The extra ocular muscles are 7 in numberOut of    See Answer
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