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final leap > physio > Flashcards

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

A

36

15
Q

NYP acts on which receptor

A

Y5 receptor

15
Q

substance -p activates which 2nd mes system

A

ip3-dag

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
Q

ionic distribution of csf

A

positive ions except mg dec , negative ions increase

15
Q

fast pain pathway

A

glutamate

15
Q

opiod tolerance and b2 arrestins

A

absence of b2 arrestins blocks opiod tolerance with no effect on dependance

15
Q

lesion of anterior hypothalamus and temp

A

hyperthermia

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