Dr Gawad Physiology Course Online Exams - Lecture 3 Exam (Sympathetic Nervous System)
7 MCQs (Only one correct answer)
Each MCQ: 1 mark, Total mark: 7 (you will get the results immediately with correction by the web)
Passing score 60%
Allowed time: 10 min
Good Luck
- 1.
Stimulation of the sympathetic causes :
- A.
Increased gastric HCl and pepsin secretion.
- B.
Generalized actions affecting many systems.
- C.
Bronchoconstriction.
- D.
Decreased glycogenolysis and lipolysis.
Correct Answer
B. Generalized actions affecting many systems. -
- 2.
Stimulation of the cervical division of sympathetic nerves causes :
- A.
Drooping of the upper eyelid.
- B.
A small-sized pupil.
- C.
Exophthalmos
- D.
Inhibition of salivary gland secretion.
Correct Answer
C. Exophthalmos -
- 3.
All the following about the sympathetic N.S. is true except:
- A.
Its stimulation causes urine retention.
- B.
It is involved in stress and emergency conditions.
- C.
It has a V.C. effect on skeletal muscle bld vessels.
- D.
Its stimulation increases the cardiac properties.
Correct Answer
C. It has a V.C. effect on skeletal muscle bld vessels. -
- 4.
The sympathetic tone is most important for :
- A.
Decreasing the blood flow to the gut (GIT or alimentary canal).
- B.
Maintaining the heart rate within normal.
- C.
Keeping the fasting blood glucose level constant.
- D.
Maintenance of the systemic arterial blood pressure constant.
- E.
Causing bronchodilatation.
Correct Answer
D. Maintenance of the systemic arterial blood pressure constant. -
- 5.
Preganglionic sympathetic nerve fibres :
- A.
Are found in somatic nerves (e.g. the median and ulnar nerves).
- B.
Form plexuses around blood vessels.
- C.
Are present in the short ciliary nerves.
- D.
Are non-medullated (non myelinated).
- E.
Are found in the greater splanchnic nerves.
Correct Answer
E. Are found in the greater splanchnic nerves. -
- 6.
The sympathetic nervous system has all the following characters except:
- A.
It supplies every organ in the body.
- B.
It is involved more frequently in generalized actions.
- C.
It is of little importance in visual accommodation.
- D.
It may antagonize parasymp functions.
Correct Answer
A. It supplies every organ in the body. -
- 7.
The sympathetic system cannot be responsible for:
- A.
Constriction of the pupil.
- B.
Erection of hair.
- C.
Secretion of sweat glands.
- D.
Dilatation of skeletal muscle blood vessels.
- E.
Spleen contraction.
Correct Answer
A. Constriction of the pupil. -
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Mar 20, 2022Quiz Edited by
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Nov 10, 2015Quiz Created by
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