Antiplatelet Drugs Practice Questions
20 free Antiplatelet Drugs practice questions for the Pharmacology, each with the correct answer and a detailed explanation. Open any question below, or take the full set as an interactive quiz.
Questions
20 questions
All Antiplatelet Drugs questions
- Q1. What is the primary mechanism of action of Aspirin in inhibiting platelet aggregation?
- Q2. Which of the following antiplatelet drugs is a prodrug that requires two-step hepatic activation by CYP450 enzymes, particularly CYP2C19?
- Q3. Unlike Clopidogrel and Prasugrel, Ticagrelor is characterized by which of the following properties?
- Q4. Which antiplatelet agent acts as a monoclonal antibody against the Glycoprotein IIb/IIIa receptor?
- Q5. What is the mechanism of action of Dipyridamole when used as an antiplatelet agent?
- Q6. Prasugrel is contraindicated in which of the following patient populations due to an increased risk of intracranial hemorrhage?
- Q7. Vorapaxar is a newer antiplatelet drug that targets which specific receptor?
- Q8. Which side effect is uniquely associated with Ticagrelor therapy and may lead to drug discontinuation?
- Q9. What is the rationale for using 'Dual Antiplatelet Therapy' (DAPT) in patients following coronary stent placement?
- Q10. Which of the following agents is a synthetic heptapeptide that reversibly inhibits the Glycoprotein IIb/IIIa receptor?
- Q11. How long before an elective surgery should Aspirin typically be discontinued to allow for the restoration of normal platelet function?
- Q12. Cilostazol is primarily indicated for the treatment of which condition?
- Q13. Which antiplatelet drug can cause a rare but serious side effect known as Thrombotic Thrombocytopenic Purpura (TTP)?
- Q14. What is the primary effect of Thromboxane A2 (TXA2) on blood vessels?
- Q15. Which P2Y12 inhibitor is available in an intravenous formulation for rapid platelet inhibition during PCI?
- Q16. Ticlopidine is rarely used today primarily due to the risk of which hematologic toxicity?
- Q17. Which of the following drugs is a non-peptide, small molecule mimetic that reversibly inhibits the GP IIb/IIIa receptor?
- Q18. Platelet activation involves the release of granules containing which substances that further amplify aggregation?
- Q19. Why does low-dose Aspirin (81mg) exhibit selectivity for inhibiting platelet COX-1 over systemic COX-2?
- Q20. The use of Proton Pump Inhibitors (PPIs) like Omeprazole with Clopidogrel is controversial because: