How many milliliters of cough syrup must a patient take in 24 hours when the order is for two teaspoons, qid?
10 mL
20 mL
40 mL
60 mL
40 mL
Rationale: Since the order is for two teaspoons, qid of cough syrup, and the question is how much the patient must take in 24 hours, use this formula:1 teaspoon = 5 mL. Therefore, 2 teaspoons x 5 mL = 10 x 4 = 40 mL.
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