Drugs that mimic the natural messenger by switching on the receptor are called:
Show answer & explanation
Correct answer: B
Explanation
The correct answer is option 2 i.e. Agonist.
Drugs that mimic the natural messenger by switching on the receptor are called agonists.
Agonists are substances that bind to a receptor and activate it to produce a biological response similar to that of the natural messenger.
They can either be endogenous (produced naturally by the body) or exogenous (introduced from outside the body, such as drugs).