Neuro

Question 1

Describe -Arnold-Chiari type I? type 2?

Answer 1

type 1 = herniation of cerebellar tonsils

type 2 = herniate tonsils + vermis/4 ventricle

Question 2

wt does cholingergic stimulation of the sympathetic nervous system cause?

Answer 2

sweating

Question 3

muscle responsible for lifting arm above 90 degrees?

innervation?

Answer 3

Trapezius

Spinal accessory nerve

Question 4

nerve affected in foot drop?

Answer 4

deep peroneal

Question 5

Cranial nerve for chewing?
facial movements?
swallowing?
gag reflex?
tongue?

Answer 5

V
VII
X
IX
XII

Question 6

wt nerve runs w the superior laryngeal artery?

2 functions?

Answer 6

cough reflex

sensory to larygeal mucosa above vocal folds