PHYSIOLOGY
MUSCLE RECEPTORS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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stimulate ____ cause vasoconstriction.
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Alpha 1 receptor
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Alpha 2 receptor
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Beta 1 receptor
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Beta 2 receptor
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Explanation:
Detailed explanation-1: -The alpha-1 receptor is of the Gq type, resulting in activation of phospholipase C, increasing IP3 and DAG, and ultimately increasing the intracellular calcium concentrations leading to smooth muscle contraction and glycogenolysis.
Detailed explanation-2: -Specific actions of the 1-receptor mainly involve smooth muscle contraction. It causes vasoconstriction in many blood vessels, including those of the skin, gastrointestinal system, kidney (renal artery), and brain. Other areas of smooth muscle contraction are: Ureter.
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