Brainstem Structure/Function

Question 1

Functions in control of reflex movements that orient the eyes, head, neck in response to visual, auditory and somatic stimuli

Answer 1

superior colliculus

Question 2

functions in the processing of autonomic and limb activities + modulates nociception

Answer 2

periaqueductal gray matter

Question 3

Functions in parasymp innervation of the eye to constrict iris + to ciliary muscle to alter lens shape (accommodation)

Answer 3

Edinger Westphal nucleus

Question 4

motor control of eye muscles

Answer 4

CN III

Question 5

Fiber pathway to thalamus for pain/temp form periphery

Answer 5

spinothalamic tract

Question 6

connects nucleus gracilis and cuneatus with thalamus

Answer 6

medial lemniscus

Question 7

thalamic relay nuclei for auditory innervation

Answer 7

medial geniculate

Question 8

thalamic relay nuclei for visual innervation

Answer 8

lateral geniculate

Question 9

fiber bundles of the corticospinal tract connecting the cerebral cortex to the brainstem

Answer 9

cerebral peduncle

Question 10

optic tract travels from optic chiasm to the…

Answer 10

lateral geniculate

Question 11

involved in smooth motor control

Answer 11

substantia nigra

Question 12

relay nuclei between the cerebellum to thalamus

Answer 12

red nucleus

Question 13

fiber pathway between the vestibular nuclei and CN II, IV, VI to coordinate head/eye movement

Answer 13

medial longitudinal fasciculus

Question 14

Pontine nuclei receives input from…

Answer 14

neocortex

Question 15

Sensory nucleus for taste from CNVII, glands, chemo and baroR from CNIX/X

Answer 15

nucleus and tractus soltarius