TSM 1.23

Question 1

what does the brainstem consist of?

Answer 1

• midbrain
• pons
• medulla oblongata

Question 2

which main nuclei are present at the medulla?

Answer 2

• vestibulocochlear (VIII)
• glossophryngeal (IX)
• vagus (X)
• cranial part of spinal accessory (XI)
• hypoglossal (XII)

Question 3

which sulcus is between the pyramid and the olive?

Answer 3

preolivary sulcus

Question 4

which nerve roots come off from the preolivary sulcus?

Answer 4

hypoglossal (XII)

Question 5

which nerve roots come off from the post olivary sulcus?

Answer 5

IX,X and XI

Question 6

which nerves emerge from the pontomedullary junction?

Answer 6

VI,VII and VIII

Question 7

which nerves emerge from the cerebello pontine angle?

Answer 7

VII and VIII

Question 8

what separates the crura?

Answer 8

interpeduncular fossa

Question 9

which cranial nerve smerge from the interpeduncular fossa?

Answer 9

cranial nerve III