Sympathetic and Parasympathetic A.N.S Flashcards by Don Peter John Bugarin | Brainscape

Q

Enzyme of Sympathetic Nervous system:

A

Norepinephrine NE

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Q

Enzymes that DESTROY norepinephrine (HYDROLYSIS):

A

Mono-Amine Oxidase MAO
Catechol-O-Methyl Transferase COMT

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Q

how does MAO and COMT destroy NE:

A

by HYDROLYSIS

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Q

Receptors of Sympathetic NS:

A

Alpha 1

Alpha 2

Beta 1

Beta 2

Beta 3

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Q

Degraded Product of NE:

A

Vanillyl-Mandelic acid

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Q

effector organs of ALPHA-1 receptors:

A

Conjunctival Vessels

Dilator Pupillae

Trabecular Meshwork

Mueller’s Muscle

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Q

Alpha-1 effect on Conjunctival Vessels:

A

Vasoconstriction

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Q

Alpha-1 effect on Dilator Pupillae:

A

Mydriasis (contract)

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Q

Alpha-1 effect on Trabecular Meshwork:

A

Open DIRECTLY - LOWER IOP

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Q

Alpha-1 effect on Mueller’s muscle:

A

Lid RETRACTION

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Q

Alpha-2 effector organ:

A

Ciliary Process - INHIBITORY

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Q

Alpha-2 effect on Ciliary Process (inhibitory):

A

Decrease AH secretion

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Q

BETA-1 effector organs:

A

Heart

GIT

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Q

BETA-1 effect on Heart:

A

Increase Heart Rate

Increase BP

Tachycardia

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Q

BETA-1 effect on GIT:

A

Relax

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Q

BETA-2 effector organs:

A

Ciliary Process - Excitatory

Conjunctival Vessels

Ciliary Muscles

Liver

Bronchial smooth Muscles

Q

BETA-2 effect on Ciliary Process (Excitatory):

A

Increase A.H. secretion

Q

BETA-2 effect on Conjunctival vessels:

A

Vasodilation

Q

BETA-2 effect on Ciliary muscles:

A

Relax Accommodation

Q

BETA-2 effect on Liver:

A

Increase Blood Sugar

Q

BETA-2 effect on Bronchial Smooth muscles:

A

Bronchodilation - RELAX

Q

BETA 3 effect:

A

Lipolysis

Q

Enzyme of Parasympathetic Nervous System:

A

Acetylcholine Ach

Q

Receptors of Parasympathetic Nervous system:

A

Nicotinic

Muscarinic 1 2 3

Q

Enzyme that DESTROY Acetylcholine:

A

Acetylcholinesterase AchE

Q

Degraded Products of Ach:

A

Acetate + Choline

Q

NICOTINIC effector organs:

A

Skeletal Muscles

EOM

Q

NICOTINIC effect on Skeletal muscles:

A

Contraction

Q

NICOTINIC effect on EOM:

A

Contract

Q

Muscarinic 1 effector organ:

A

Neural

Q

Muscarinic 2 effector organs:

A

Heart - cardiac

Q

Muscarinic 2 effect on heart:

A

Bradycardia

Q

Muscarinic 3 effector organs:

A

Ciliary Muscle

Brucke’s Muscle

Sphincter Pupillae

Glands

Visceral Smooth muscles

Q

Muscarinic 3 effect on Ciliary muscle:

A

Accommodation - CONTRACT

Q

Muscarinic 3 effect on Brucke’s muscle:

A

Contract

Indirectly Open Trabecula - (LOWER IOP)

Q

Muscarinic 3 effect on Sphincter pupillae:

A

MIOSIS - contract

Q

Muscarinic 3 effect on Glands:

A

Increase Glandular secretions

Q

Muscarinic 3 effect on Visceral smooth muscles:

A

CONTRACT