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When medications have an additive, synergistic, or antagonistic effect on a tissue, a ________ reaction has occurred.
Correct Answer: B
Explanation/Reference: Explanation: Pharmacodynamics pertain to the effect of a drug on receptors. Pharmaceutical reactions are chemical reactions between drugs prior to administration or absorption. Pharmacokinetic reactions refer to the body's effect on the drug. Drug incompatibilities are another term for pharmaceutical reactions.Pharmacological Therapies