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
- 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
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