Physiology Test Question

In humans, increases in heart rate (tachycardia) and blood pressure (hypertension) associated with high doses of caffeine are thought to be due to:

	(A) caffeine-induced elevated dopamine levels within the central nervous system.
	(B) caffeine-induced elevated epinephrine release from the adrenal glands.
	(C) caffeine binding to adenosine receptors in the central nervous system.
	(D) All of the above.

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Posted: Monday, September 7, 2015
Last updated: Monday, September 7, 2015

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