Physiologic drug antagonism occurs when:
A) the action of one medication increases or decreases the ability of another medication to be absorbed by the body.
B) two medications, each producing opposite effects, are present simultaneously, resulting in minimal or no clinical changes.
C) the effect of one medication is enhanced by the presence of another medication, which does not have the ability to produce the same effect.
D) two medications, each producing identical effects, are present simultaneously, resulting in an enhanced physiologic response.
Answer: B) two medications, each producing opposite effects, are present simultaneously, resulting in minimal or no clinical changes.
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