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NAS > SNS Vs. PNS > Flashcards

SNS Vs. PNS Flashcards

1
Q

Heart

A

SNS - increase heart rate (ventricular)

PNS - decrease heart rate

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2
Q

Gastrointestinal system

A

SNS - inhibits digestion, stimulates glucose production/release
PNS - stimulates digestion, stimulates pancreas to release insulin and digestive enzymes, dilates blood vessels in gut

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3
Q

Eye

A

SNS - dilates pupil

PNS - constricts pupil

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4
Q

Secretions

A

SNS - inhibits salivation and tearing

PNS - stimulates salivation and tearing

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5
Q

Skin-sweat glands

A

SNS - activates sweat glands via release of ACh

PNS - deactivates sweat glands

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6
Q

Blood vessels

A

SNS - constricts blood vessels

PNS - dilates blood vessels

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7
Q

Adrenal gland

A

SNS - stimulates secretion of epinephrine and norepinephrine from adrenal medulla
PNS - dampens the stress response

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8
Q

Lungs

A

SNS - relaxes airways

PNS - constricts airways

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9
Q

Male sex organs

A

SNS - ejaculation

PNS - erection

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NAS (33 decks)

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