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PTP&M: Neuro > PNS + SNS > Flashcards

PNS + SNS Flashcards

1
Q

“Rest + Digest” Nervous System

A

Parasympathetic NS

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2
Q

“Fight + Flight” Nervous System

A

Sympathetic NS

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3
Q

SNS: Eye

A

Lifts eyelid

Dilates pupil

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4
Q

PNS: Eye

A

Constricts ciliary muscles (lens)
Constricts pupil
Accommodation

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5
Q

SNS: Salivary Glands

A

INHIBITS secretions

IP3 + DAG-mediated 2ndary messengers

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6
Q

PNS: Salivary Glands

A

INCREASED secretions

cAMP-mediated 2ndary messengers

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7
Q

SNS: Lungs

A

DILATES airways

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8
Q

PNS: Lungs

A

CONSTRICTS airways

CN X

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9
Q

SNS: Heart

A

INCREASE HR and contractile force

Increased CO

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10
Q

PNS: Heart

A

DECREASE HR and contractile force
Lowered CO

CN X

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11
Q

SNS: Stomach

A

DECREASE acid secretions
DECREASE peristalsis/motility
INCREASE sphincter tone

Celiac ganglion

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12
Q

PNS: Stomach

A

INCREASE acid secretion
INCREASE peristalsis/motility
DECREASE sphincter tone

CN X

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13
Q

SNS: Sweat Glands

A

Sweating STIMULATION

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14
Q

PNS: Sweat Glands

A

N/A

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15
Q

SNS: Urinary Bladder

A

Relax

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16
Q

PNS: Urinary Bladder

A

Constrict

17
Q

SNS: Adrenal Medulla

A

Increased secretions

Direct innervation by preganglionic neurons on nicotinic receptors in medulla

18
Q

PNS: Adrenal Medulla

A

N/A

19
Q

SNS: Blood Vessel Tone

A

Abdomen/Skin: alpha + beta –> constriction

Skeletal Muscle: alpha –> constrict, beta –> dilate

20
Q

PNS: Blood Vessel Tone

A

N/A

21
Q

PREganglionic PNS:

Neurotransmitters + receptors

A

ACh + Nicotinic

22
Q

POSTganglionic PNS:

Neurotransmitters + receptors

A

ACh + muscarinic

23
Q

Somatic:

Neurotransmitters + receptors

A

ACh + nicotinic (skeletal muscle)

24
Q

PREganglionic SNS:

Neurotransmitters + receptors

A

ACh + Nicotinic

25
Q

POSTganglionic SNS:

Neurotransmitters + receptors

A

ACh + Muscarinic
NE + alpha/beta adrenergic
D + dopa
ACh + nicotinic (direct epi/NE release in renal medulla)

PTP&M: Neuro (5 decks)

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