Abrams Chapter 9

What is the primary action of anticoagulant medications?

• Dissolve existing clots

• Increase platelet aggregation

• Prevent formation of new clots

• Stimulate red blood cell production

Which lab test is used to monitor warfarin therapy?

• aPTT

• INR

• Bleeding time

• Platelet count

What is the antidote for warfarin overdose?

• Protamine sulfate

• Vitamin K

• Naloxone

• Atropine

Heparin works by:

• Activating platelets

• Inhibiting thrombin and factor Xa

• Decreasing red blood cell volume

• Stimulating clotting factor production

Which adverse effect is most concerning with heparin therapy?

• Hemorrhage (bleeding)

• Hypertension

• Constipation

• Hyperglycemia

Low-molecular-weight heparins like enoxaparin differ from heparin because they:

• Are given orally

• Do not require lab monitoring

• Increase platelet count

• Are used only for stroke

Which of the following is an antiplatelet drug?

• Warfarin

• Dabigatran

• Clopidogrel

• Enoxaparin

Patients taking aspirin for antiplatelet effects should be monitored for:

• Bradycardia

• Gastric bleeding

• Increased white blood cells

• Constipation

What is the primary therapeutic goal of thrombolytic agents?

• Prevent clot formation

• Replace clotting factors

• Dissolve existing clots

• Increase platelet aggregation

Which condition is a contraindication for thrombolytic therapy?

• A. Atrial fibrillation

• B. Hypertension

• C. Recent surgery

• D. Deep vein thrombosis