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Which of the following statements concerning control of blood flow through arterioles is true? Select one: a. There...

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Medical Sciences

Which of the following statements concerning control of bloodflow through arterioles is true?

Select one:

a. There are more beta-adrenergic receptors thanalpha-adrenergic receptors on arteriolar smooth muscle

b. Binding of epinephrine to alpha-adrenergic receptors causesvasodilation.

c. Stimulation of vascular smooth muscle by the parasympatheticnervous system causes vasodilation.

d. If blood pressure/flow within an organ increases, arteriolesin the organ will autoregulate using the myogenic response

e. None of the choices are true

Answer & Explanation Solved by verified expert
3.7 Ratings (629 Votes)
Option Response Reason a Wrong There are more Alpha receptors on arteriolar smooth muscles than beta receptors Alpha receptors are alpha1 and alpha 2 Beta receptors are only Beta2 Both act in response to Noradrenaline and Epinephrine    See Answer
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