Catecholamine Receptors and Actions Flashcards by Ashleigh Baan

Q

beta1, beta3 (adipose tissue)

A

increased lipolysis

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Q

alpha1, alpha2 (BVs)

A

vasoconstriction

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Q

beta2 (Bvs)

A

vasodilation

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Q

beta2 (bronchioles)

A

dilation

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Q

alpha1 (eye- iris radial muscle)

A

constriction (mydriasis - dilated pupil)

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Q

beta2 (eye- ciliary muscle)

A

relaxation for far vision

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Q

alpha, beta2 (GI tract - motility and tone)

A

decreased

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Q

alpha1 (GI tract - sphincters)

A

contraction

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Q

beta1 (heart)

A

increased force and rate of contraction

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Q

beta1 (kidney- juxtaglomerular and interstitial cells)

A

increased renin release and EPO release

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Q

beta2 (bladder - detrusor)

A

relaxation

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Q

alpha1 (bladder - sphincter)

A

contraction

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Q

alpha1 (bladder - ureter)

A

increased motility and tone

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Q

alpha1, beta1 (liver)

A

increased glycogenolysis and gluconeogenesis

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Q

beta2 (other tissues)

A

increased calorigenesis and potassium uptake

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Q

alpha1 (other tissues)

A

cellular potassium loss

Q

alpha (pancreas - acini)

A

decreased secretion

Q

alpha2 (pancreas - islets)

A

decreased insulin and glucagon secretion

Q

beta2 (pancreas - islets)

A

increased insulin and glucagon secretion

Q

beta2 (pineal gland)

A

increased melatonin synthesis and secretion

Q

alpha1 (skin - apocrine glands)

A

increased sweating

Q

alpha1 (spleen capsule)

A

contraction

Q

beta2 (spleen capsule)

A

relaxation

Q

alpha1 (uterus)

A

contraction of myometrial smooth muscle

Q

beta2 (uterus)

A

relaxation of myometrial smooth muscle