Karen is an 8-year-old child who weighs 56 lb. Her mother called the pediatrician because Karen feels miserable due to a common cold. The pediatrician prescribed acetaminophen 320 mg every 4 to 6 hours as needed for fever and pain. Her mother purchased the medication shown here. If Karen receives 320 mg every 6 hours, how many full days will this bottle last? 
A. 16 days
B. 3 days
C. 8 days
D. 6 days
Answer: B
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A nurse is gathering data from a client suspected to be an alcohol abuser. Which of the following questions are very important in terms of predicting withdrawal?
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Ordered: Morphine 4 mg/h IV On hand: Morphine 
NS What is the hourly flow rate?
A. 50 mL/h B. 4 mL/h C. 1 mL D. 8 mL/h