Dr Gawad Physiology Course Online Exams - Ans Introduction, Autonomic Ganglia

7 Questions | Total Attempts: 794

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Dr Gawad Physiology Course Online Exams - Ans Introduction, Autonomic Ganglia

7 MCQs (Only one correct answer)Each MCQ: 1 mark, Total mark: 7 (you will get the results immediately with correction by the web)Allowed time: 10 minGood Luck Dr Gawad


Questions and Answers
  • 1. 
    The autonomic N.S. differs from the somatic N.S in having:
    • A. 

      A connector neuron which comes outside the CNS (preganglionic neuron) and a postganglionic neuron which supplies the organ.

    • B. 

      Origin from all segments of the spinal cord.

    • C. 

      A complete control on skeletal muscles.

    • D. 

      Origin from the anterior horn cells of the spinal cord

  • 2. 
    The autonomic ganglia all are true except:
    • A. 

      Are relay stations for all preganglionic fibers passing through them.

    • B. 

      Are the site of relay of efferent neurons.

    • C. 

      Function as distributing centers.

    • D. 

      Are located outside the CNS.

  • 3. 
    Concerning the autonomic ganglia, all the following is true except:
    • A. 

      They act as distributing centers.

    • B. 

      They are 3 types.

    • C. 

      Their chemical transmitter is acetylcholine.

    • D. 

      The preganglionic fibers may pass through them without relay.

    • E. 

      None of the above

  • 4. 
    The sympathetic preganglionic nerve fibers:
    • A. 

      Which supply the abdominal viscera relay in the sympathetic chain.

    • B. 

      Originate at the autonomic ganglia.

    • C. 

      Are myelinated nerve fibers

    • D. 

      Show minimal divergence in the autonomic ganglia.

  • 5. 
    The following reflexes are all autonomic reflex action except:
    • A. 

      Salivary secretion.

    • B. 

      Micturition.

    • C. 

      Flexion of the arm following a painful stimulus.

    • D. 

      Acceleration of the heart after haemorrhage.

  • 6. 
    Regarding ganiglia distributing function, which is true:
    • A. 

      Parasympth ganglia is widely ditributing

    • B. 

      Sympath ganglia is localized discrete

    • C. 

      There is no distribution in autonomic ganglia

    • D. 

      None of the above

  • 7. 
    The main chemical transmitter in SYMPATHETIC autonomic ganglia is
    • A. 

      Nor adrenaline

    • B. 

      Adrenaline

    • C. 

      Acetyl choline

    • D. 

      None of the above