Brainstem and Cranial Nerves Part 1

Question 1

What are 2 main functions of the brainstem

Answer 1

• links spinal cord with cerebral hemispheres + has important connections to cerebellum
• controls essential internal systems (eg. respiration and cardiac functions)

Question 2

what run through the brainstem on their way up and down the CNS

Answer 2

Ascending sensory tracts and descending motor tracts

Question 3

what does the brainstem have that is associated with most cranial nerves

Answer 3

groups of cell bodies (Nuclei)

Question 4

where do the cranial nerves supply

Answer 4

mostly the head and neck regions

Question 5

where do the cranial nerves originate from

Answer 5

nuclei in the brainstem

Question 6

what 2 types of fibres do crania nerves carry

Answer 6

1. motor
   OR
2. Sensory
   OR
3. Both

Question 7

how are cranial nerves numbered?

Answer 7

rostra-caudally (from Front to back) using roman numerals