E) intramural ganglia Postganglionic sympathetic fibers from the superior cervic

Question

E) intramural ganglia Postganglionic sympathetic fibers from the superior cervical ganglia are distributed to ALL of the following EXCEPT the: A) blood vessels of the face B) smooth muscle of the eye C) cartilage of the nose D) sweat glands of the head E) major salivary glands 73. 74. The exception to the usual pattern of two efferent neurons in an autonomic motor pathway is the pathway to the: A) adrenal medulla B) brain C) colon D) reproductive organ:s E) rectum 75. The smooth muscle of the eye is innervated by parasympathetic postganglionic fibers from the: A) ciliary ganglia B) lingual ganglia C) otic ganglia D) pterygopalatine ganglia E) submandibular ganglia Which of the following responses is initiated by the sympathetic nervous system? A) decreased heart rate B) constriction of pupils C) splitting of glycogen to glucose by the liver D) constriction of bronchioles E) decreased blood pressure 76. 77. Which of the following pairs of ganglia receive sympathetic preganglionic fibers? A) vertebral chain and terminal ganglia B) collateral and intramural ganglia C) terminal and dorsal root ganglia D) paravertebral and prevertebral ganglia E) ciliary and otic ganglia 78. The sympatheir ganglia that lie in a vertical row on either side of the vertebral column are called the: A) prevertebral ganglia B) paravertebral ganglia C) terminal gangiia D) collateral ganglia E) dorsal root ganglia

Explanation / Answer

Qus.73 Ans.

The internal carotid plexus carries the postganglionic fibres of the Superior cervical Ganglia to various organs like eyes, lacrimal gland, mucous membranes of mouth, nose and pharynx and numerous blood vessels of the face in head for playing impartant role organal activities.

So the Ans is Sweat gland of the head.

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Ques 74 Ans.

The usual pattern of two efferent in an autonomic motor pathway not found in Adrenal Medulla. In adrenal medulla sympathetic stimulated by preganglionic sympathetic neurons that send fibres and stimulate the cortex of the adrenal medulla, the cromaffin cells of the adrenal medulla secrete epenephrine hormone.

So the Ans is Adrenal Medulla.

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Ques 75 Ans.

The smooth muscles of eye innervated by parasympathetic postganglionic fibres of ciliary ganglia. Ciliary ganglia located just behind the eye in the posterior orbit, This ganglia run through the three types of nerve fibres parasympathetic fibres, sympathetic fibres and sensory fibres which the movement of eyes.

So the Ans is Ciliary ganglia.

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Ques 76 Ans.

Parasympathetic nervous system of sympathetic nervous system stimulates the body to "feed and bread" and "rest and digest"

The functions of sympathetic nervous system to maintain regulation of many homeostatic mechanism in living organisms. Fibres of sympathetic nervous system regulates the diverse as pupil diameter(Pupils constriction), gut motility, increase heart rate, bronchial dilation and uninary system.

So the Ans is Constriction of pupils.

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