DLA 6-10

Question 1

what gives rise to CN 1

Answer 1

telencephalon

Question 2

what gives rise to CN 2

Answer 2

diencephalon

Question 3

what gives rise to CN 3

Answer 3

ventral mesencephalon

Question 4

What gives rise to cranial nerves 4-12

Answer 4

dorsal mesencephalon

Question 5

denticulate ligaments

Answer 5

lateral extensions of spinal pia that fuse with the arachnoid and dura to further stabilize the spinal cord within the vertebral canal

Question 6

reticular formation

Answer 6

found in the core of the brainstem

functions:
eye movements
yawning
sleeping

Question 7

blood supply of the brainstem

Answer 7

vertebral arteries

Question 8

cranial nerves and where they pass through the skull

Answer 8

anterior fossa = CN 1

middle fossa = 2-6

posterior fossa = 7-12