A patient must take 750 mg of a medication twice daily for 7 days. How many tablets should be dispensed if the mediation is available as 500 mg scored tablets?

15
21
28
45

21

Rationale: 21 tablets should be dispensed. Since the medication is available as 500 mg per tablet, and the patient needs to take 750 mg, this is equal to 1 ½ tablets twice daily, for 7 days. Therefore, 1.5 x 2 = 3, multiplied by 7 days = 21 tablets.