Drugs that mimic the action of norepinephrine are likely to affect ________

A) the parasympathetic division of the ANS
B) both the sympathetic and parasympathetic divisions of the ANS
C) the sympathetic division of the ANS


Answer: C

Anatomy & Physiology

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Which type(s) of EEG waves become(s) dominant in sleeping adults, but also in some forms of brain disease?

A. Delta and theta B. Beta C. Theta D. Delta E. Alpha and beta

Anatomy & Physiology

Administration of chlorpromazine to a rat that has an electrode implanted in the lateral hypothalamus will cause an increase in rate of the rat's self-stimulation

Indicate whether the statement is true or false.

Anatomy & Physiology

Which of the following is not primarily a muscle of facial expression?

A) buccinator B) depressor labii inferioris C) risorius D) masseter E) mentalis

Anatomy & Physiology

If the arterial blood pressure in the brain is suddenly decreased, the flow through arterioles in the brain will immediately fall and then which of these will occur next?

A. Brain arterioles will constrict to accelerate blood flow through the brain capillaries. B. Brain arterioles will dilate due to a decrease in levels of CO2. C. Blood flow will rise to levels above normal due to excess O2 levels. D. Blood flow will remain at the new, lower level due to reactive hyperemia. E. Blood flow will return toward its original level due to flow autoregulation.

Anatomy & Physiology