Answer to Question 1
C
Although both medications interfere with platelet formation, some NSAIDs may continue to be taken before surgery, depending on the procedure and the surgeon preference. The patient should stop taking aspirin 5 days before surgery.
Answer to Question 2
C
Full therapeutic effectiveness may not be achieved for 3 to 6 weeks. Measuring the TSH level is indicated to evaluate drug effectiveness. The dose should not be increased without first evaluating the patient's TSH level.