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

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:

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A

Ciliary Process - Excitatory

Conjunctival Vessels

Ciliary Muscles

Liver

Bronchial smooth Muscles

Q

BETA-2 effect on Ciliary Process (Excitatory):

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A

Increase A.H. secretion

Q

BETA-2 effect on Conjunctival vessels:

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A

Vasodilation

Q

BETA-2 effect on Ciliary muscles:

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A

Relax Accommodation

Q

BETA-2 effect on Liver:

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A

Increase Blood Sugar

Q

BETA-2 effect on Bronchial Smooth muscles:

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A

Bronchodilation - RELAX

Q

BETA 3 effect:

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A

Lipolysis

Q

Enzyme of Parasympathetic Nervous System:

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A

Acetylcholine Ach

Q

Receptors of Parasympathetic Nervous system:

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A

Nicotinic

Muscarinic 1 2 3

Enzyme that DESTROY Acetylcholine:

Acetylcholinesterase **AchE**

Degraded Products of **Ach:**

Acetate + Choline

NICOTINIC effector organs:

Skeletal Muscles EOM

NICOTINIC effect on Skeletal muscles:

Contraction

NICOTINIC effect on EOM:

Contract

Muscarinic 1 effector organ:

Neural

Muscarinic 2 effector organs:

Heart - cardiac

Muscarinic 2 effect on heart:

Bradycardia

Muscarinic 3 effector organs:

Ciliary Muscle Brucke's Muscle Sphincter Pupillae Glands Visceral Smooth muscles

Muscarinic 3 effect on Ciliary muscle:

Accommodation - CONTRACT

Muscarinic 3 effect on Brucke's muscle:

Contract Indirectly Open Trabecula - (**LOWER IOP**)

Muscarinic 3 effect on Sphincter pupillae:

MIOSIS - contract

Muscarinic 3 effect on Glands:

Increase Glandular secretions

Muscarinic 3 effect on Visceral smooth muscles:

CONTRACT