Lecture 3: ANS & CNS Flashcards by Braxton Nowell

Q

Alpha 1 Receptor Activates

A

Vasoconstriction
Increase BP
Increase contractility of the heart
Mydriasis
Contraction of sphincter
Contraction of prostate

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Q

Alpha 2 Receptor Activates

A

Decreased BP

- Decreased GI tone & motility

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Q

Beta 1 Receptor Activates

A

Increased Heart Contraction
Increased HR
Increased BP
Increased Renin Secretion
Increased Angiotension

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Q

Beta 2 Receptor Activates

A

Bronchodilation
Activation of Glycogenolysis
Relaxation of uterine smooth muscle
Increased Blood Sugar

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Q

Parasympathetic Response: Eye

A

Miosis

- Increase in tears

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Q

Parasympathetic Response: Lungs

A

Constricts bronchioles

- Increase secretions

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Q

Parasympathetic Response: Heart

A

Decrease HR

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Q

Parasympathetic Response: Blood Vessels

A

Dilates blood vessels in periphery

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Q

Parasympathetic Response: GI

A

Increases peristalsis-bowel emptying

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Q

Parasympathetic Response: Bladder

A

Constricts bladder-bladder emptying

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Q

Parasympathetic Response: Salivary Gland

A

Increases salivation

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Q

Parasympathetic Response: Blood Pressure

A

Decrease BP

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Q

Parasympathetic Response: Male Reproductive

A

Erection

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Q

Parasympathetic Response: Skin

A

Sweating (in high doses)…Nerves are SNS

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Q

Sympathetic Response: Eye

A

Mydriasis

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Q

Sympathetic Response: Lungs

Study These Flashcards

A

Dilates bronchioles

Q

Sympathetic Response: Heart

Study These Flashcards

A

Increase HR

- Increased force of contraction

Q

Sympathetic Response: Blood Vessels

Study These Flashcards

A

Constricts blood vessels in the periphery

- Shunts blood to vital organs (Dilates core arterioles)

Q

Sympathetic Response: GI

Study These Flashcards

A

Relaxes smooth muscles of GI tract

Q

Sympathetic Response: Bladder

Study These Flashcards

A

Contraction of bladder neck and sphincter

Q

Sympathetic Response: Uterus

Study These Flashcards

A

Relaxes uterine muscle

Q

Sympathetic Response: Salivary Gland

Study These Flashcards

A

Decrease salivation in Alpha 1 receptors

Q

Sympathetic Response: Blood Pressure

Study These Flashcards

A

Increase BP

Q

Sympathetic Response: Male Reproductive

Study These Flashcards

A

Ejaculation

- Contraction of Prostate

Sympathetic Response: Skin

- Sweating

Sympathetic Response: Liver/Blood Sugar

- Increase blood glucose--Energy

What are cholinergic receptors mediated by?

Acetylcholine

What are adrenergic receptors mediated by?

Epinephrine & Norepinephrine

Subtypes of cholinergic receptors

- Muscarinic | - Nicotinic

Subtypes of adrenergic receptors

- Alpha1 - Alpha2 - Beta1 - Beta2 - Beta3 - Dopamine