Neuro

Question 1

afferent limb of corneal reflex:

Answer 1

CN V (V1)–sensation to cornea

Question 2

efferent limb of corneal reflex:

Answer 2

CN VII–eyelid closing

Question 3

afferent limb of the gag reflex:

Answer 3

CN IX

Question 4

efferent limb of the gag reflex:

Answer 4

CN X

Question 5

only motor output of CNXI:

Answer 5

stylopharyngeus m.

Question 6

loss of pain and temperature sensation on one side of the face and on the opposite side of the body

contralateral uvula deviation

Nystagmus, vertigo, nausea and vomiting

Ipsilateral Horner syndrome

Answer 6

lateral medullary syndrome (Wallenburg syndrome)

Question 7

location of lesion in Wallenburg syndrome:

Answer 7

rostral medulla

Question 8

pain and temperature sensation for the face are carried by:

Answer 8

the spinal trigeminal nucleus and tract

Question 9

occlusion of what artery causes lateral medullary syndrome:

Answer 9

PICA ipsilateral to the facial lesions

Question 10

stage of sleep where night terrors, sleep walking, and bedwetting occurs:

Answer 10

stage 3

Question 11

lateral nucleus regulates:

Answer 11

hunger

Question 12

lateral nucleus is stimulated by:

Answer 12

ghrelin

Question 13

ventromedial nucleus regulates:

Answer 13

satiety

Question 14

ventromedial nucleus is stimulated by:

Answer 14

leptin

Question 15

the anterior nucleus regulates:

Answer 15

cooling

Question 16

the anterior nucleus is under which ANS control?

Answer 16

parasympathetic

Question 17

the posterior nucleus regulates:

Answer 17

heating

Question 18

the posterior nucleus is under which ANS control?

Answer 18

sympathetic

Question 19

the suprachiasmatic nucleus regulates:

Answer 19

circadian rhythm

Question 20

the pineal gland secretes:

Answer 20

melatonin

Question 21

the supraoptic and paraventricular nuclei are responsible for:

Answer 21

synthesizing ADH and oxytocin

Question 22

the preoptic nucleus is responsible for:

Answer 22

thermoregulation and sexual behavior

Question 23

the preoptic nucleus secretes what hormone:

Answer 23

GnRH

Question 24

only extrinsic muscle of the tongue that can protrude the tongue

Answer 24

genioglossus

Question 25

depresses and retracts the tongue

Answer 25

hyoglossus (“hyoglossus hydes the tongue”)

Question 26

what kind of tumor can cause normal pressure hydrocephalus

Answer 26

choroidal tumor

Question 27

what kind of tumor overproduces CSF

Answer 27

choroidal tumor

Question 28

spinal muscular atrophy leading to floppy baby, and tongue fasiculations

Answer 28

Werdnig Hoffmann Dz

Question 29

congential degeneration of the anterior horns of the spinal cord

Answer 29

Werdnig Hoffman Dz

Question 30

AR mutation in SMN1

Answer 30

Werdnig Hoffmann Dz

Question 31

cause of death is respiratory distress d/t weakness of the respiratory muscles; usually occurs before 1st birthday

Answer 31

Werdnig Hoffman Dz