Quantrex Quantrex AcademyJEE · NEET · NDA PYQs with solutions Open app
NEETChemistryChemistry in Everyday Life

How do synthetic drugs like brompheniramine and terfenadine act on histamine?

Options

  1. AThey stimulate histamine production.
  2. BThey mimic the effects of histamine.
  3. CThey compete with histamine for binding sites.
  4. DThey enhance histamine's action.

Correct answer

C. They compete with histamine for binding sites.

Step-by-step solution

Synthetic drugs like brompheniramine and terfenadine interfere with histamine by competing with it for binding sites.

Practice Chemistry in Everyday Life on Quantrex Academy →

More from Chemistry in Everyday Life

Which of the following are not used for the treatment of humans? 2026Identify the metal nanoparticle that acts as a highly effective bacterial disinfectant in the water purification process. 2026What is the correct chemical name of an insecticide DDT? 2026Identify the chemical used to slow down the browning action of cut fruit. 2026What is the role of aspirin? 2026Identify the structural formula of aspirin. 2026Clove is recommended for toothaches because 2026Identify the structure of paracetamol from the following. 2026 Full Chemistry in Everyday Life list All NEET PYQs