A nurse is preparing to administer acetaminophen 40 mg po q 8 hr PRN pain. Available is acetaminophen oral solution 10 mg/2.5 mL. How many teaspoons (tsp) should the nurse administer per dose?______tsp (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"]
Determine the desired dose.
The nurse needs to administer 40 mg of acetaminophen.
Calculate the available dose per 2.5 mL.
The available acetaminophen is 10 mg/2.5 mL.
Calculate the volume to be administered.
Volume = Desired dose (mg) / Concentration (mg/2.5 mL) = 40 mg / (10 mg/2.5 mL) = 40 mg x (2.5 mL/10 mg) = 10 mL
Convert mL to teaspoons.
1 teaspoon (tsp) is approximately equal to 5 mL.
Number of teaspoons = Volume (mL) / Volume per teaspoon (mL/tsp) = 10 mL / 5 mL/tsp = 2 tsp
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["2"]
Explanation
Determine the dose per administration.
The total daily dose is 2 g, which is 2000 mg.
The dose is divided into two doses, so the dose per administration is 2000 mg / 2 = 1000 mg.
Calculate the number of tablets per administration.
Each tablet contains 500 mg of amoxicillin.
Number of tablets = Dose per administration (mg) / Tablet strength (mg) = 1000 mg / 500 mg/tablet = 2 tablets.
Correct Answer is ["0.8"]
Explanation
Determine the desired dose.
The nurse needs to administer 3,800 units of heparin.
Calculate the available dose per mL.
The available heparin is 5,000 units/mL.
Calculate the volume to be administered.
Volume = Desired dose (units) / Concentration (units/mL) = 3,800 units / 5,000 units/mL = 0.76 mL
Round the volume to the nearest tenth.
Volume = 0.8 mL
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