Autonomic Nerve Activity Flashcards by Kathy Chavez

Q

SNS: Iris circular muscle

A

None

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Q

SNS: Ciliary muscle

A

Relaxes - B

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Q

PNS: Iris radial muscle

A

None

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Q

PNS: Iris circular muscle

A

Contracts (miosis) - M3

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Q

PNS: Ciliary muscle

A

Contracts - M3

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Q

SNS: SA node

A

Accelerates - B1, B2

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Q

SNS: ectopic pacemakers

A

Accelerates - B1,B2

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Q

SNS: Heart contractility

A

Increases - B1, B2

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Q

PNS: SA node

A

Decelerates - M2

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Q

PNS: ectopic pacemakers

A

None

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Q

PNS: heart contractility

A

Decreases (atria) - M2

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Q

Blood vessels: skin, splanchnic

A

SNS: contracts, A
PNS: none

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Q

Skeletal muscle vessels

A

SNS: relaxes - b2, contracts - a
PNS: none

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Q

Bronchiolar smooth muscle

A

SNS: relaxes - b2
PNS: contracts - m3

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Q

GI smooth muscle walls

A

SNS: relaxes - a2, b2
PNS: contracts - M3

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Q

GI sphincters

A

SNS: contracts - a1
PNS: relaxes - m3

Q

GI secretion

A

SNS: inhibits- a2
PNS: increases - m3

Q

Myenteric plexus

A

SNS: none
PNS: activates - m3

Q

Bladder wall

A

SNS: relaxes - b2
PNS: contracts - m3

Q

GUT sphincter

A

SNS: contracts - a1
PNS: relaxes - m3

Q

Pregnant uterus

A

SNS: relaxes - b2, contracts - a
PNS: contracts - m3

Q

Penis and seminal vesicles

A

SNS: ejaculation - a
PNS: erection - M

Q

Pilomotor smooth muscle

A

SNS: contracts - a
PNS: none

Q

Thermoregulatory sweat glands

A

SNS: increases -M
PNS: none

Q

Apocrine (stress) sweat glands

A

SNS: increases - a
PNS: none

Q

Liver gluconeogenesis

A

SNS: b2, a
PNS: none

Q

Liver glycogenolysis

A

SNS: B2, a
PNS: none

Q

Lipolysis

A

SNS: b3
PNS: none

Q

Renin release

A

SNS: b1
PNS: none

Q

Sympathetic nerve endings

A

SNS: none
PNS: decreases NE - M

Q

Parasympathetic nerve endings

A

SNS: decreases Ach release
PNS: none

Q

SNS: Iris radial muscle

A

Contracts (mydriasis) - a1