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Free Practice Quiz Question List

4 Antiplatelet Drugs Online Quiz Questions

Use this free practice quiz with 20 questions to review 4 Antiplatelet Drugs, test your knowledge, and prepare for your next test or exam.

20 questions
01
True or false
1 point

Aspirin should be assumed appropriate for primary prevention of cardiovascular events in every patient.

  1. A

    True

  2. B

    False

02
True or false
1 point

Anticoagulants act on the platelet-activation pathway rather than the blood-clotting cascade.

  1. A

    True

  2. B

    False

03
Fill in the blank
1 point

Anticoagulants act on the , whereas antiplatelet drugs reduce platelet activation or aggregation.

04
Written response
1 point

Cilostazol is contraindicated in what condition, regardless of severity?

05
Choose one
1 point

A patient with peripheral arterial disease has intermittent claudication. Which use of cilostazol is supported?

  1. A

    Preventing recurrent ischemic stroke after a selected event

  2. B

    Reducing symptoms of intermittent claudication in peripheral arterial disease

  3. C

    Preventing stent thrombosis by replacing aspirin after PCI

  4. D

    Treating dyspnea caused by ticagrelor

06
Choose one
1 point

For a patient with ACS who is not at high bleeding risk, what is the default DAPT duration in the 2025 U.S. guideline?

  1. A

    One month for every patient, regardless of bleeding risk

  2. B

    Twelve months for ACS patients who are not at high bleeding risk

  3. C

    Treatment must continue for the patient's lifetime

  4. D

    DAPT is not used after PCI for ACS

07
Written response
1 point

P2Y₁₂ inhibitors block platelet activation mediated by which signaling molecule?

08
Fill in the blank
1 point

Because platelets cannot make new COX-1, aspirin's antiplatelet effect lasts for the affected platelet's .

09
True or false
1 point

Dyspnea is a recognized adverse effect associated with ticagrelor.

  1. A

    True

  2. B

    False

10
Choose one
1 point

A patient takes aspirin after a myocardial infarction. Which mechanism best explains its antiplatelet effect?

  1. A

    Reversibly blocks the P2Y₁₂ receptor and increases thromboxane A₂

  2. B

    Irreversibly blocks the P2Y₁₂ receptor and reduces ADP production

  3. C

    Irreversibly inhibits platelet COX-1 and reduces thromboxane A₂ production

  4. D

    Reversibly inhibits COX-1 and blocks the blood-clotting cascade

11
Choose all
1 point

A patient taking ticagrelor asks which medication-related concerns are recognized. Select all that apply.

  1. A

    Dyspnea

  2. B

    Irreversible inhibition of platelet COX-1

  3. C

    Bleeding

  4. D

    Contraindication in heart failure of any severity

12
Choose all
1 point

A clinician is considering prasugrel for a patient with ACS after PCI. Which histories or conditions are contraindications? Select all that apply.

  1. A

    A history of intermittent claudication

  2. B

    A prior stroke or transient ischemic attack

  3. C

    Age 75 years or older in every case

  4. D

    Active pathological bleeding

13
Choose one
1 point

A patient taking clopidogrel is prescribed omeprazole. What interaction should the care team consider?

  1. A

    They can reduce clopidogrel's antiplatelet activity

  2. B

    They convert clopidogrel into an irreversible COX-1 inhibitor

  3. C

    They prevent ticagrelor from reversibly binding P2Y₁₂

  4. D

    They eliminate the bleeding risk of clopidogrel

14
Choose one
1 point

For which purpose is aspirin combined with extended-release dipyridamole commonly used?

  1. A

    Treating intermittent claudication in peripheral arterial disease

  2. B

    Preventing dyspnea during ticagrelor treatment

  3. C

    Reducing recurrent stroke risk after selected ischemic strokes or TIAs

  4. D

    Replacing anticoagulants for all clotting disorders

15
Open ended
1 point

A patient taking aspirin and clopidogrel after coronary stenting plans to stop both before a dental procedure. Explain the key safety concern and what the patient should do before changing the medications.

16
Choose one
1 point

A patient needs medication to reduce recurrent stroke risk after a selected ischemic stroke. Which option is used for this purpose?

  1. A

    Cilostazol

  2. B

    Aspirin plus extended-release dipyridamole

  3. C

    Ticagrelor

  4. D

    Eptifibatide

17
Choose one
1 point

After a patient with acute coronary syndrome receives a coronary stent, which medication combination is commonly used as dual antiplatelet therapy to reduce recurrent ischemic events and stent thrombosis?

  1. A

    Aspirin and an oral P2Y₁₂ inhibitor

  2. B

    Aspirin and an oral anticoagulant

  3. C

    Two oral P2Y₁₂ inhibitors

  4. D

    Cilostazol and a glycoprotein IIb/IIIa inhibitor

18
Choose one
1 point

A patient asks why an antiplatelet drug is not interchangeable with an anticoagulant. Which explanation best describes the difference between these drug classes?

  1. A

    Both drug classes work by inhibiting platelet COX-1.

  2. B

    Antiplatelet drugs act on the clotting cascade, while anticoagulants block P2Y₁₂.

  3. C

    Antiplatelet drugs reduce platelet activation or aggregation, while anticoagulants act on the clotting cascade.

  4. D

    Anticoagulants prevent platelet aggregation, while antiplatelet drugs dissolve existing clots.

19
Written response
1 point

A patient takes omeprazole with a P2Y₁₂ inhibitor whose activation partly depends on CYP2C19. Which antiplatelet drug's activity can be reduced by this combination?

20
Written response
1 point

A patient taking aspirin and clopidogrel after coronary stenting plans to stop both drugs before a dental procedure. What specific stent-related complication is a key concern?