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When are antagonists drugs considered useful?

Options

  1. AWhen enhancing message transmission is required
  2. BWhen blocking message transmission is required
  3. CWhen there is a lack of natural chemical messengers
  4. DWhen there is an excess of natural chemical messengers

Correct answer

B. When blocking message transmission is required

Step-by-step solution

Antagonists are useful when blocking the message is required.

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