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Neuro Flashcards

1
Q

afferent limb of corneal reflex:

A

CN V (V1)–sensation to cornea

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2
Q

efferent limb of corneal reflex:

A

CN VII–eyelid closing

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3
Q

afferent limb of the gag reflex:

A

CN IX

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4
Q

efferent limb of the gag reflex:

A

CN X

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5
Q

only motor output of CNXI:

A

stylopharyngeus m.

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6
Q

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

A

lateral medullary syndrome (Wallenburg syndrome)

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7
Q

location of lesion in Wallenburg syndrome:

A

rostral medulla

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8
Q

pain and temperature sensation for the face are carried by:

A

the spinal trigeminal nucleus and tract

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9
Q

occlusion of what artery causes lateral medullary syndrome:

A

PICA ipsilateral to the facial lesions

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10
Q

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

A

stage 3

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11
Q

lateral nucleus regulates:

A

hunger

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12
Q

lateral nucleus is stimulated by:

A

ghrelin

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13
Q

ventromedial nucleus regulates:

A

satiety

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14
Q

ventromedial nucleus is stimulated by:

A

leptin

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15
Q

the anterior nucleus regulates:

A

cooling

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16
Q

the anterior nucleus is under which ANS control?

A

parasympathetic

17
Q

the posterior nucleus regulates:

A

heating

18
Q

the posterior nucleus is under which ANS control?

A

sympathetic

19
Q

the suprachiasmatic nucleus regulates:

A

circadian rhythm

20
Q

the pineal gland secretes:

A

melatonin

21
Q

the supraoptic and paraventricular nuclei are responsible for:

A

synthesizing ADH and oxytocin

22
Q

the preoptic nucleus is responsible for:

A

thermoregulation and sexual behavior

23
Q

the preoptic nucleus secretes what hormone:

A

GnRH

24
Q

only extrinsic muscle of the tongue that can protrude the tongue

A

genioglossus

25
Q

depresses and retracts the tongue

A

hyoglossus (“hyoglossus hydes the tongue”)

26
Q

what kind of tumor can cause normal pressure hydrocephalus

A

choroidal tumor

27
Q

what kind of tumor overproduces CSF

A

choroidal tumor

28
Q

spinal muscular atrophy leading to floppy baby, and tongue fasiculations

A

Werdnig Hoffmann Dz

29
Q

congential degeneration of the anterior horns of the spinal cord

A

Werdnig Hoffman Dz

30
Q

AR mutation in SMN1

A

Werdnig Hoffmann Dz

31
Q

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

A

Werdnig Hoffman Dz

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