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When chemicals X and Y are administered simultaneously, their combined effects are far greater than the sum of their effects when given alone. This chemical interaction between chemicals X and Y can…

Question and options

When chemicals X and Y are administered simultaneously, their combined effects are far greater than the sum of their effects when given alone. This chemical interaction between chemicals X and Y can be described as
  1. Potentiative
  2. Additive
  3. Antagonistic
  4. Synergistic

Answer and explanation

Correct answer: D - Synergistic
When two agents each have an effect and together produce far more than the sum, the interaction is synergistic (2 + 2 = 20). Potentiation is when one agent has no effect alone but enhances the other.

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