Tag: pns

Questions Related to pns

Hypoglossal nerve controls the movements of

zoology nervous system of man pns divisions of nervous system peripheral nervous system

  1. Ear

  2. Heart

  3. Tongue

  4. Limbs

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Correct Option: C

Vagus nerve is

zoology nervous system of man pns divisions of nervous system peripheral nervous system

  1. Sensory tenth cranial nerve

  2. Motor tenth cranial nerve

  3. Mixed tenth cranial nerve

  4. Mixed eleventh cranial nerve

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Correct Option: C

The $3^{rd}, 6^{th} and 11^{th}$ cranial nerves are respectively

zoology nervous system of man pns divisions of nervous system peripheral nervous system

  1. oculomotor, abducens and accessory

  2. oculomotor, trigeminal and accessory

  3. optic, facial and accessory

  4. trochlear, abducens and vagus

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Correct Option: A
Explanation:

In higher vertebrates (reptiles, birds, mammals) there are 12 pairs of cranial nerves- olfactory (I), optic (II), oculomotor (III), trochlear (IV), trigeminal (V), abducens (VI), facial (VII), vestibulocochlear (VIII), glossopharyngeal (IX), vagus (X), accessory (XI), and hypoglossal (XII).

The vagus nerve is the _______ cranial nerve.

zoology nervous system of man pns divisions of nervous system peripheral nervous system

  1. $7^{th}$

  2. $5^{th}$

  3. $10^{th}$

  4. $9^{th}$

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Correct Option: C
Explanation:

The vagus nerve historically cited as the pneumogastric nerve, is the tenth cranial nerve or CN X, and interfaces with parasympathetic control of the heart, lungs, and digestive tract. The vagus nerves are paired but are normally referred to in the singular. It is the longest nerve of the autonomic nervous system in the human body.


So the correct option is '10th'.

Vagus nerve is

zoology nervous system of man pns divisions of nervous system peripheral nervous system

  1. 5th cranial nerve

  2. 6th cranial nerve

  3. 9th cranial nerve

  4. 10th cranial nerve

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Correct Option: D