The nerve supply

Question 1

Nerve supply of the head and neck -

Answer 1

• The trigeminal nerve (The fifth cranial nerve)
• The facial nerve (The seventh cranial nerve)
• The glossopharyngeal nerve (The ninth cranial nerve)
• The hypoglossal nerve (The twelfth cranial nerve)

Question 2

The trigeminal nerve supply the?

Answer 2

*Supplies the teeth and surrounding soft tissues and the muscles of mastication

Question 3

The facial nerve supply the?

Answer 3

*Supplies some taste sensations, some salivary glands, and the muscles of facial expressions.

Question 4

The glossopharyngeal nerve supply the?

Answer 4

*Supplies some taste sensations, the parotid salivary gland, and the muscles of the pharynx

Question 5

The hypoglossal nerve supply the?

Answer 5

*Supplies the muscles of the anterior two thirds of the tongue

Question 6

The trigeminal nerve splits into three divisions, what are they?

Answer 6

• The opthalmic division - sensory of soft tissue around the eye and upper face
• The maxillary division - sensory supply of the upper teeth, the maxilla and the middle area of the face.
• The mandibular division - sensory supply of the lower teeth, the mandible, the lower area if the face, the motor supply to the muscles of mastication and some of the suprahyoids.

Question 7

The maxially division splits into 5 nerves on the upper maxilla which have to be anesthetised, what are these?

Answer 7

• The anterior superior nerve
• The middle superior nerve
• The posterior superior nerve
• The naso palatine nerve
• The greater palatine nerve

Question 8

The mandibular division splits into 4 nerves on the lower mandible which have to be anesthetised, what are these?

Answer 8

• The long buccal nerve
• The lingual nerve
• The inferior dental nerve
• The motor branch

Question 9

What nerve passes through the 4,5,6,7 and 8 palatally?

Answer 9

*The greater palatine nerve

Question 10

The nerve passes through the the upper 1,2 and 3’s bucally?

Answer 10

*The anterior superior nerve

Question 11

What nerve passes through the upper 4,5 and 6 bucally?

Answer 11

*The middle superior nerve

Question 12

What nerve passes through the upper 1,2 and 3’s palatally?

Answer 12

*The naso-palatine nerve

Question 13

What nerve passes through all the lower teeth lingually?

Answer 13

*The lingual nerve

Question 14

What nerve passes through the upper 6,7 and 8’s bucally?

Answer 14

*The posterior superior nerve

Question 15

What nerve passes through the lower 1,2,3,4 and 5’s bucally?

Answer 15

*The inferior dental nerve

Question 16

What is the motor nerve?

Answer 16

*It supplies stimulation to the muscles of mastication, to effect the jaw closing and chewing movements.