physio Flashcards

1
Q

sensory aspect of emotions develops in

A

limbic system

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2
Q

expressive emotion develops in

A

hypothalamus

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3
Q

habituation in nuerons is due to

A

progressive closure of calcium channels

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4
Q

facilitation is due to

A

serotonin release leading to camp activation leading to k channel closure

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5
Q

sleep generating nucleus or sleep switch

A

ventral lateral preoptic nucleus of hypothalamus

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6
Q

tuberomammilary nuerons

A

responsible for arousal / wakefullness

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7
Q

circadian rthym in liver is influenced by

A

food intake

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8
Q

fibres from contralateral nasal hemiretina end in

A

layers 1,4,6 of LGB

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9
Q

Colour blobs responsible for colour vision contain high levels of which enzyme

A

cytochrome oxidase

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10
Q

vit a in dark phase is found as

A

11 cis retinal

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11
Q

response and integration time with response to rods

A

slow response and long integration time

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12
Q

area 5

A

aiming hand toward object

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13
Q

area 7

A

hand eye coordination

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14
Q

low glut 1 transporter in infants

A

seizures and dev delay

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15
Q

ghrelin functions

A

growth hormone stimulations , cognitive adaptation and orexogenic

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15
Q

lesions of paraventricular nuclei produces

A

excessive eating

15
Q

lesions of dorsomedial nucleus

A

depresses eating

15
Q

arcuate nucleus of hypothalamus and eating

A

cell bodies of nuerons secreting ghrelin , AGRP , NYP are located there

15
Q

NYP no of AA

15
Q

NYP acts on which receptor

A

Y5 receptor

15
Q

substance -p activates which 2nd mes system

15
Q

thirst centre

A

preoptic nucleus hypothalamus

15
Q

lesion of anterior hypothalamus and temp

A

hyperthermia

15
Q

urine sodium levels in heat acclimatization

A

decrease in urine sodium levels

15
ionic distribution of csf
positive ions except mg dec , negative ions increase
15
fast pain pathway
glutamate
15
opiod tolerance and b2 arrestins
absence of b2 arrestins blocks opiod tolerance with no effect on dependance
15
lesion of anterior hypothalamus and temp
hyperthermia