CNS and neuroanatomy 2

Question 1

brainstem function?

Answer 1

Regulating consciousness, alertness, sleep/wake cycles

Question 2

midbrain functions?

Answer 2

o	Vision
o	Audition
o	Motor control
o	Alertness
o	Temperature regulation
o	Sleep/wake cycles

Question 3

pons functions?

Answer 3

• Mediates unconscious motor information

Question 4

medulla functions?

Answer 4

o	Blood pressure
o	Heart rate
o	Respiration
o	Vasoconstriction and dilation 
o	Reflexive functions of vomiting, coughing, sneezing & swallowing

Question 5

cranial nerves?

Answer 5

olfactory (CN I), optic (CN II), oculomotor (CN III), trochlear (CN IV), trigeminal (CN V), abducent (or abducens; CN VI), facial (CN VII), vestibulocochlear (CN VIII), glossopharyngeal (CN IX), vagus (CN X), accessory (CN XI), and hypoglossal (CN XII)

Question 6

inside basal ganglia parts?

Answer 6

 Caudate nucleus
 Putamen
 Globus pallidus

Question 7

outside basal ganglia parts?

Answer 7

 Substantia nigra (in the midbrain)
 Subthalamic nucleus (inferior to the thalamus)
 Pedunculopontine nucleus (PPN)

Question 8

olfactory nerve

Answer 8

smell

Question 9

optic nerve

Answer 9

vision

Question 10

oculomotor

Answer 10

moves eyes up, down and medially, adjust pupils and shape of eyes

Question 11

trochlear

Answer 11

moves eye medially and down

Question 12

trigeminal

Answer 12

facial sensation and chewing

Question 13

abducens

Answer 13

abducts eye

Question 14

facial

Answer 14

facial expression, closes eye, tears, salivation, taste

Question 15

vestibulocochlear

Answer 15

sensation of head position relative to gravity and head movement

Question 16

glossopharyngeal

Answer 16

swallowing, salivation, taste

Question 17

vagus

Answer 17

regulates viscera, swallowing, speech, taste

Question 18

accessory

Answer 18

elevates shoulder, turns head

Question 19

hypoglossal

Answer 19

moves tongue