Pharmacy Technician Part II Paper 2 MCQs

Adverse drug reaction is a harmful and unintended response to a medicine used at normal doses.

Agonist is a ligand that binds to a receptor and activates it to produce a biological response.

Competitive antagonist is a reversible receptor blocker whose effect can be overcome by increasing agonist concentration.

First-pass metabolism is presystemic metabolism that reduces oral bioavailability before a drug reaches systemic circulation.