CN V: Trigeminal

Question 1

3 Sensory Nuclei of the CN V?

Answer 1

1. Main Sensory N
2. Spinal Trigeminal N.
3. Mesencephalic N.

Question 2

1 motor nuclei of the CN V?

Answer 2

Trigeminal Motor N.

Question 3

Function of the Main Sensory Nuclei?

Answer 3

Sensations of the face

Question 4

Is the Main Sensory Nuclei IPS or CON?

Answer 4

IPS and CON through the Medial Lemniscal Tract

Question 5

Function of the Spinal Trigeminal Nucleus?

Answer 5

Nociceptors of the face

Question 6

Is the Spinal Trigeminal Nucleus IPS or CON?

Answer 6

CON

Question 7

CN V Jaw Response

Answer 7

Sensory (Mesencephalic N.) detects stretch or opening of jaw muscles
Motor (Trigeminal Motor N.) innervates the jaw muscle to close again gravity

Question 8

Does the Jaw Response involve the cortex?

Answer 8

No

Question 9

Is CN V Sensory or Motor?

Answer 9

Both sensory and motor