Cranial Nerves

Q.

Assertion (A): Stimulus is interpreted by the brain and not by sense organs.
Reason (R): Sense organs act as transducers, transforming the stimulus energy.

1. Both Assertion (A) and Reason (R) are true, and (R) is the correct explanation of (A).

2. Both Assertion (A) and Reason (R) are true, but (R) is not the correct explanation of (A).

3. Assertion (A) is true, but Reason (R) is false.

4. Both Assertion (A) and Reason (R) are false.

Q.

Which cranial nerve controls the heart muscle?

1. Facial

2. Auditory

3. Vagus

4. Trochlear

Q.

Which of the following is motor nerve?

1. Accessory spinal

2. Vagus

3. Trigeminal

4. Facial

Q.

The trigeminal nerve arises from the brain in the region of

1. pons and divides into ophthalmic, maxillary and mandibular branches

2. medulla and divides into palatine, chorda tympani and hyomandibular branches
   

3. cerebellum and divides into palatine, chorda tympani and hyomandibular branches
   

4. cerebellum and divides into ophthalmic, maxillary and mandibular branches
   

Q. Injury to vagus nerve in human is not likely to affect

1. Tongue movements
2. Gastrointestinal movements
3. Cardiac movements
4. Pancreatic secretion

Q. In a man, abducens nerve is injured. Which one of the following functions will be affected?

1. Swallowing
2. Movement of the tongue
3. Movement of the neck
4. Movement of the eye ball

Q.

If the heart is stimulated through its vagus supply, heart rate will

1. decrease

2. none of these

3. increase

4. shows no change

Q. Match the following cranial nerves to their functions.

1. Smell
2. Vision
3. Eye movement
4. Hearing

Q. The number of cranial nerves in a mammal including man is

1. 10 (5 pairs)
2. 24 (12 pairs)
3. 12 (6 pairs)
4. 36 (18 pairs)

Q. Tongue is under the control of

1. Glossopharyngeal nerve
2. Facial nerve
3. Hypoglossal nerve
4. Trigeminal nerve