Question

The statement/s which are true about antagonists from the following is/are:
A. They bind to the receptor site.
B. Get transferred inside the cell for their action.
C. Inhibit the natural communication of the body.
D. Mimic the natural messenger.
Choose the correct answer from the options given below:

• A. A and B
• B. A, C and D
• C. B only
• D. A and C

Answer 1

The Correct Option is D

Antagonists are substances that bind to receptor sites to block the effects of natural messengers. They do not get transferred into the cell but inhibit the natural communication of the body.

Analysis of Options : 

1. Option A : Correct. Antagonists bind to receptor sites.
2. Option B : Incorrect. Antagonists act at the receptor site and are not transferred inside the cell.
3. Option C : Correct. They inhibit the natural communication of the body.
4. Option D : Incorrect. Antagonists do not mimic natural messengers; they block them.

Conclusion: The correct answer is (4) A and C.