Which of the following is not expected to dilate the arterioles leading into the capillary beds? Which of the following is not expected to dilate the arterioles leading into the capillary beds? Local application of hydrochloric acid Local application of epinephrine Local application of histamine Local application of heat

Dilation of arterioles causes a decrease in resistance, increasing blood flow to downstream capillaries, and a smaller decrease in blood pressure, due to epinephrine.

Local application of Epinephrine injection is used along with emergency medical treatment to treat life-threatening allergic reactions caused by insect bites or stings, foods, medications, latex, and other causes.

Epinephrine is in a class of medications called alpha- and beta-adrenergic agonists (sympathomimetic agents).

Epinephrine is employed to extend the vital sign of humans under certain medical conditions. The epinephrine constricts the arterioles which may be a vessel thereby increasing the vital sign .

Dilation of the arterioles leading into the capillary beds means it's closely related to the guts .

Local application of drugs like hydrochloride acid and histamines give signals to some chemoreceptors which affect the response of dilating the arterioles.

Heat also dilates the arterioles and makes water to be lost through the skin pores which helps in the cooling, regulation of body temperature, and homeostatic functions.

Therefore, the correct option is the local application of epinephrine that constricts arterioles.

Learn more about the epinephrin here:

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Local application of epinephrine

Explanation:

Dilation of the arterioles leading into the capillary beds means it is closely associated with the heart. Local application of substances such as hydrochloride acid and histamines give signals to some chemoreceptors which effects a response of dilating the arterioles. Heat also dilates the arterioles and makes water to be lost through the skin pores which helps in the cooling, regulation of body temperature and homeostatic functions.

Application of epinephrine however constricts the arterioles. Epinephrine is used to increase the blood pressure of humans under certain medical conditions. The epinephrine constricts the arterioles which is a blood vessel thereby increasing the blood pressure.

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