A nurse is preparing to administer propranolol 240 mg/day PO in two divided doses to a client. Available is propranolol 60 mg tablets. How many tablets should the nurse administer with each dose? (Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)
The Correct Answer is ["2"]
Understanding the Problem
Order: Propranolol 240 mg/day PO in two divided doses
Available: Propranolol 60 mg tablets
Desired Dose: Number of tablets per dose
Step 1: Calculate the Dose per Administration
Total Daily Dose: 240 mg
Number of Doses: 2
Dose per Administration: 240 mg / 2 doses = 120 mg/dose
Step 2: Calculate the Number of Tablets per Dose
Dose per Administration: 120 mg
Tablet Strength: 60 mg/tablet
Number of Tablets: 120 mg / 60 mg/tablet = 2 tablets
Step 3: Round to the Nearest Whole Number
The calculated number of tablets is 2, which is already a whole number.
Answer: 2 tablets
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["167"]
Explanation
Understanding the Problem
Volume: 250 mL of 0.9% sodium chloride
Infusion Time: 90 minutes
Desired Rate: mL/hr
Step 1: Convert Infusion Time to Hours
Minutes in an Hour: 60 minutes
Infusion Time in Hours: 90 minutes / 60 minutes/hour = 1.5 hours
Step 2: Calculate the Infusion Rate in mL/hr
Volume: 250 mL
Infusion Time: 1.5 hours
Infusion Rate: 250 mL / 1.5 hours = 166.666... mL/hr
Step 3: Round to the Nearest Whole Number
The calculated rate is 166.666... mL/hr.
Rounded to the nearest whole number: 167 mL/hr
Answer: 167 mL/hr
Correct Answer is ["60"]
Explanation
Understanding the Problem
Order: Lidocaine 4 mg/min
Available Solution: Lidocaine 1 g in 250 mL of D5W
Desired Rate: mL/hr
Step 1: Convert Grams (g) to Milligrams (mg)
1 g = 1000 mg
Available Lidocaine: 1 g x 1000 mg/g = 1000 mg
Step 2: Determine the Concentration of the Lidocaine Solution
Available Lidocaine: 1000 mg
Solution Volume: 250 mL
Concentration: 1000 mg / 250 mL = 4 mg/mL
Step 3: Calculate the Infusion Rate in mL/min
Ordered Dose: 4 mg/min
Concentration: 4 mg/mL
Infusion Rate: 4 mg/min / 4 mg/mL = 1 mL/min
Step 4: Convert Infusion Rate to mL/hr
Infusion Rate: 1 mL/min
Minutes in an Hour: 60 min
Infusion Rate in mL/hr: 1 mL/min x 60 min/hr = 60 mL/hr
Step 5: Round to the Nearest Whole Number
The calculated rate is 60 mL/hr, which is already a whole number.
Final Answer: 60 mL/hr
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