Q1. For deep vein thrombosis, which is the drug of choice?
A. Low molecular weight heparin
B. Warfarin
C. ASA
D-Clopidogrel
E-Ticlopidine
Q. Women get in emergency first time with symptoms- swollen legs, pain. She is taking warfarin. It happened after a long flight. Which drugs could affect her condition to worst?
a. Vitamin K
b. Acetyl salicylic acid
c. Acetaminophen
d. Alcohol
Q. After measuring her INR = 4 (normal 2-3), What to do?
a. Give vitamin K injection
b. Stop taking warfarin
c. Decrease dose of warfarin for 10 to 15%
d. Skip one dose – one day and then decrease 10 to 15%
Q. Which of the following statements best describes the mechanism of action of warfarin in preventing stroke?
A. It prevents clot formation by reducing certain clotting factors in the liver
B. It prevents platelet aggregation by reducing the production of thromboxane A
C. It prevents hemorrhagic stroke by reducing bleeding time
2
D. It prevents prostaglandin synthesis and ultimately platelet aggregation
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