14. Organ effects and adrenergic receptors

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Last updated 3:00 PM on 10/15/26
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10 Terms

1
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Heart with sympathetic vs parasympathetic

speeds HR up (B1 is key recpetor), slows HR down

2
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pupil with sympathetic vs parasympathetic

dilates with radical-iris muscle, constricts with circular-iris muscle

3
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bronchioles with sympathetic vs parasympathetic

dilates, constricts

4
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digestion and urination with sympathetic vs parasympathetic

slows, increases

5
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Adrenal medulla with sympathetic vs parasympathetic

Stimulates catecholamine release into blood, nothing

6
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Kidney with sympathetic vs parasympathetic

Renin release increases bc it increases blood flow (during a scary situation BP drops), nothing

7
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Arterioles and veins with sympathetic vs parasympathetic

can restrict or dilate depending on where needs blood, nothing

8
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What adrenergic receptor is common on sympathetic target tissues?

Alpha 1

9
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What do beta 1 and beta 2 do?

cure heart, selected blood vessels and smooth muscle

10
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neurotransmitter vs neurohormone

a chemical is released across a synapse or neuroeffector junction, a chemical realesed into the blood. Epinephrine from adrenal medulla is a neurohormone.