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Unit 2 Pharm Drugs > ANS Basics > Flashcards

ANS Basics Flashcards

1
Q

Cholinergic Neurons

A

Release Ach

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2
Q

Adrenergic Neurons

A

Release NE

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3
Q

AcH Removal from Synapse

A

Degradation/metabolism

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4
Q

NE removal from synapse

A

Diffusion

Re-uptake and metabolism

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5
Q

Presynaptic Sympathetic Neurotransmitter

A

Ach

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6
Q

Presynaptic Parasympathetic Neurotransmitter

A

Ach

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7
Q

Postsynaptic Sympathetic Neurotransmitter

A

Usually NE

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8
Q

Postsynaptic Parasympathetic Neurotransmitter

A

Ach

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9
Q

Postsynaptic sympathetic receptors

A

Nicotinic (Nn) Ach receptors

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10
Q

Postsynaptic parasympathetic receptors

A

Nicotinic (Nn) Ach receptors

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11
Q

Target organ parasympathetic receptors

A

Muscarinic Ach receptors

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12
Q

Target organ sympathetic receptors

A

Alpha or beta adrenergic receptors

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13
Q

Organs receiving only sympathetic innervation

A

Skin, sweat glands, smooth muscle of blood vessels

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14
Q

Sympathetic innervation of the eye

A

ciliary muscle relaxes, pupils dilate

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15
Q

Parasympathetic innervation of the eye

A

Ciliary muscle contracts, pupils constrict CN III

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16
Q

Sympathetic innervation of the heart

A

Beta 1 and 2 receptors

Increase contractility and HR

17
Q

Parasympathetic innervation of the heart

A

Muscarinic type 2 receptors

Decrease contractility and HR

18
Q

Sympathetic innervation of the blood vessels

A

Alpha 1 receptors
Vasoconstriction of vessels in skin and splanchnic vessels
Beta 2 receptors
Skeletal muscle blood vessel dilation

19
Q

Parasympathetic innervation of the bronchiole smooth muscles

A

Muscarinic receptors

Constriction

20
Q

Sympathetic innervation of bronchiole smooth muscle

A

Beta 2 receptors

Relaxation/dilation

21
Q

Sympathetic innervation of the GI tract

A

Alpha 1 receptors
Contracts sphincters
Alpha 2 receptors
Relax smooth muscle of vessel walls (decrease tone)

22
Q

Parasympathetic innervation of the GI Tract

A

Muscarinic Receptors

Increase motility by contracting smooth muscle of vessel walls, relax sphincters

23
Q

Sympathetic innervation of the GU system

A

Beta 2 Receptors
Relax bladder wall
Alpha 1 receptors
Contract Sphincters

24
Q

Parasympathetic Innervation of the GU system

A

Muscarinic receptors

Contract bladder wall, relax sphincters

25
Q

Sympathetic innervation of the skin

A

Alpha 1 receptors

Contraction of pilomotor smooth muscle, sweat gland secretion

Unit 2 Pharm Drugs (9 decks)

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