Canadian Pharmacist Qualifying Exam Practice · Question
Which antiplatelet medication irreversibly inhibits cyclooxygenase-1 (COX-1) in platelets?
Acetylsalicylic acid (ASA) is a cornerstone antiplatelet therapy that works by irreversibly inhibiting COX-1, preventing thromboxane A2 synthesis.
Start free practice for Canadian Pharmacist Qualifying Exam Practice
300 questions · no signup required · 40 free questions per day
Question: Which antiplatelet medication irreversibly inhibits cyclooxygenase-1 (COX-1) in platelets?
Answer options:
- Clopidogrel
- Ticagrelor ✅ Acetylsalicylic acid (ASA)
- Dipyridamole
Correct answer: Acetylsalicylic acid (ASA)
Explanation: Acetylsalicylic acid (ASA) is a cornerstone antiplatelet therapy that works by irreversibly inhibiting COX-1, preventing thromboxane A2 synthesis.
Start free practice for Canadian Pharmacist Qualifying Exam Practice
300 questions · no signup required · 40 free questions per day
More about Canadian Pharmacist Qualifying Exam Practice
Related Questions
- Order: 1000 mL D5W over 8 hours. Drop factor 15 gtt/mL. The infusion rate in gtt/min is:
- A pediatric dose is 10 mg/kg q8h for a child weighing 15 kg. Each dose is:
- First-line pharmacotherapy for most patients with type 2 diabetes is:
- First-line treatment of anaphylaxis is:
- A drug has a half-life of 6 hours. If a patient takes a single dose of 100 mg, approximately how much of the d
- Which of the following medications requires genotyping prior to initiation due to pharmacogenomic consideratio
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.