What do you call the type of drugs that mimic the natural messenger by switching on the receptor?
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3 i.e. Agonist
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Agonist is a substance that mimics the actions of a neurotransmitter or hormone to produce a response when it binds to a specific receptor in the brain.
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Opioid drugs, for example heroin and methadone, are agonists that produce responses such as ‘liking’, analgesia and respiratory depression.