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Hypothalamus > Neurology > Flashcards

Neurology Flashcards

1
Q

Pituitary Adenoma is derived from

A

Stomodeum

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2
Q

Craniopharyngioma is from

A

Epithelial remnant of Rathke’s Pouch

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3
Q

Medial forebrain bundle runs through the ______ in the hypothalamus.

A

Lateral nuclei

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4
Q

What bundle connects the hippocampus with mammillary bodies?

A

Fornix

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5
Q

What bundle connects the hypothalamus with the ventral tegmentum, basal forebrain, and nucleus accumbens?

A

Medial forebrain bundle

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6
Q

What connects the hypothalamus with the hippocampus

A

Fornix

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7
Q

What connects the hypothalamus with the amygdala?

A

Stria terminalis

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8
Q

Stimulating lateral nucleus of hypothalamus results in

A

Hyperphagia and quiet biting, targeted aggression

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9
Q

Lesion lateral nucleus of hypothalamus results in

A

Anorexia, aphagia

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10
Q

Stimulating ventromedial nucleus of hypothalamus results in

A

Decreased appetite and non-targeted rage

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11
Q

Lesion in ventromedial nucleus of hypothalamus results in

A

Hyperphagia

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12
Q

Most hypothalamic responses to eating are regulated through which hormone?

A

Leptin

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13
Q

Leptin suppresses eating by suppressing

A

Neuropeptide Y

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14
Q

Which nucleus of the hypothalamus has osmotic receptors?

A

Supra optic nucleus

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15
Q

Where are other osmoreceptors in the brain

A

Organovasculosum of lamina terminalis and subfornical organs

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16
Q

Lesion of anterior nucleus of hypothalamus results in

A

Anhydrosis

17
Q

Lesion of posterior nucleus of hypothalamus results in

A

Poikilothermia

18
Q

Posterior nucleus uses_______ nervous system while anger nucleus uses _____nervous system

A

Posterior nucleus: sympathetic’s

Anterior nucleus: parasympathetics

19
Q

Pathway of ambient light triggering circadian rhythm sleep-wakefulness.

A

Melanopsin of retinal ganglion cells -> suprachiasmatic n. -> paraventricular -> superior cervical ganglia -> pineal gland -> melatonin

20
Q

Lesion of pre-optic nucleus before puberty

A

Improper sexual development

21
Q

Lesion of pre-optic nucleus after puberty

A

Impotence and amenorrhea

22
Q

Lesion in Supra optic nucleus

A

Diabetes insipidus

23
Q

Function of paraventricular nucleus

A

Oxytocin regulation

24
Q

Ghrelin is a ______ hormone

A

Peptide

Hypothalamus (1 decks)

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