When smooth muscle relaxation leads to ________ in a blood vessel, blood pressure can decrease.

A. spasm
B. necrosis
C. vasoconstriction
D. vasodilation


Answer: D

Anatomy & Physiology

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If a strong acid were to add H+ to the intracellular fluid, the effect would most likely be buffered, because

A. HPO42- would act as a weak acid and donate an H+ to become PO4-. B. H2PO4- would act as a weak acid and accept an H+ to become H3PO4-. C. HPO42- would act as a weak base and accept an H+ to become H2PO4-. D. PO4 would act as a strong base and accept an H+ to become HPO4.

Anatomy & Physiology

What is the slender, funnel-shaped structure that connects the pituitary gland to the hypothalamus?

a. sellar diaphragm b. infundibulum c. sella turcica d. pars tuberalis

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Electron transfer reactions are termed oxidation-________ reactions

A) hydrolysis B) neutralization C) reduction D) phosphorylation

Anatomy & Physiology

The "ABCD rule" for recognizing early signs of malignant melanoma refers to which of the following characteristics of the lesion?

A. Area, border irregularity, color, and density B. Aspect, brightness, color, and distance C. Asymmetry, brightness, color, and diameter D. Asymmetry, border irregularity, color, and diameter E. Aspect, border irregularity, color, and distance

Anatomy & Physiology