Sedative drugs that are members of the alpha-2 agonists include xylazine and dexmedetomidine. What is the mechanism of action of these drugs at their specific adrenergic receptor?
A) Increase peripheral vasoconstriction
B) Reduce norepinephrine in the synapse
C) Improve cardiac output by increasing heart stroke volume and heart rate
D) Increase bronchial dilation
Correct Answer:
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