Brainstem and cranial nerves

Question 1

Which side does a person with a trochlear palsy tilt their head to to compensate?

Answer 1

Contralesional

Question 2

Which CNs connect to the nucleus ambiguus?

Answer 2

9 and 10

Question 3

Which CNs connect to the nucleus solatarius?

Answer 3

7, 9 and 10

Question 4

Which CNs connect to the spinal trigeminal nucleus?

Answer 4

5, 7, 9 and 10

Question 5

Which type of nuclei are most medial in the brainstem?

Answer 5

General somatic efferent

Question 6

What are the 6 parasagittal regions of the brainstem in terms of nuclei organisation?

Answer 6

Medial to lateral: general somatic efferent; special (branchial) somatic efferent; general visceral efferent; general visceral afferent; general somatic afferent; special visceral afferent (special sense)

Question 7

Which nerve stimulates the parotid gland?

Answer 7

Glossopharyngeal

Question 8

A lesion of spinal accessory will cause a deficit of head turning in what direction?

Answer 8

Contralateral

Question 9

Where does the facial nerve branch into its 5 branches ? (T z b m c)

Answer 9

Parotid grand

Question 10

What does the chords tympani innervate?

Answer 10

Anterior 2/3 of the tongue for taste

Question 11

Which 3 branches of the facial nerve come off in the facial canal?

Answer 11

Greater petrosal nerve, chorda tympani, stapedius nerve

Question 12

What does the greater petrosal nerve do?

Answer 12

Salivatory glands (but not parotid) and lacrimal glands