What endocrine gland secretes ACTH?

A) Anterior pituitary
B) Posterior pituitary
C) Hypothalamus
D) Adrenal medulla


Answer: A

Anatomy & Physiology

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When blood pressure becomes elevated above normal,

a. the carotid and aortic baroreceptors increase their rate of firing b. sympathetic stimulation of blood vessels increases c. arteriolar vasoconstriction occurs as a compensatory response d. parasympathetic stimulation of the heart increases e. all of the above occur

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This type of muscle tissue is found in the stomach

A) Skeletal B) Cardiac C) Smooth D) Voluntary

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As a result of the allergen-antibody reaction, mast cells release histamine

Indicate whether the statement is true or false

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When the heart is not ejecting blood into the arterial system, the pressure in the arteries falls to zero as blood drains off into the rest of the vasculature

Indicate whether the statement is true or false

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