Skip to main content

Canadian Pharmacist Qualifying Exam Practice · Question

Which of the following describes a partial agonist?

A partial agonist binds to and activates a given receptor, but has only partial efficacy at the receptor compared to a full agonist, even at high concentrations

Start free practice for Canadian Pharmacist Qualifying Exam Practice

300 questions · no signup required · 40 free questions per day

Start Practice →

Question: Which of the following describes a partial agonist?

Answer options:

  • A drug that binds to and activates a receptor, producing a maximal effect.
  • A drug that binds to a receptor but produces no effect, blocking the action of an agonist. ✅ A drug that binds to a receptor and produces a submaximal effect, even when all receptors are occupied.
  • A drug that binds to a receptor at a site different from the active site, altering the receptor's activity.

Correct answer: A drug that binds to a receptor and produces a submaximal effect, even when all receptors are occupied.

Explanation: A partial agonist binds to and activates a given receptor, but has only partial efficacy at the receptor compared to a full agonist, even at high concentrations where all receptors are bound.

Start free practice for Canadian Pharmacist Qualifying Exam Practice

300 questions · no signup required · 40 free questions per day

Start Practice →

More about Canadian Pharmacist Qualifying Exam Practice

Related Questions

More for Canadian Pharmacist Qualifying Exam Practice candidates

Ready to practice?

Free, no signup required. Build a wrong-question list as you go.

Start Free Canadian Pharmacist Qualifying Exam Practice Practice →

Related courses

Other Canadian certifications candidates often prepare for alongside this one.