An Antagonist Is a Drug or Other Chemical That

question 167

Multiple Choice

An antagonist is a drug or other chemical that:

• A)blocks a receptor site and inhibits or prevents a response in the receiving cell.
• B)binds to a receptor site and triggers a response in the cell.
• C)is released in response to stress or trauma and reduces the perception of pain.
• D)blocks the reuptake of serotonin, increasing its effect.

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