A nurse is preparing to administer pantoprazole 7 mg PO to an infant. The amount available is pantoprazole 2 mg/mL. How many mL should the nurse administer? (Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)
The Correct Answer is ["3.5"]
Identify the given information:
Dose of pantoprazole: 7 mg
Concentration of pantoprazole: 2 mg/mL
Calculate the volume of pantoprazole to be administered:
Volume = Dose (mg) / Concentration (mg/mL)
Substitute the values:
Volume = 7 mg / 2 mg/mL
Calculate the result:
Volume = 3.5 mL
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["0.5"]
Explanation
Identify the given information:
Dose of methimazole: 0.3 mg/kg/day
Weight of the child: 55 lb
Concentration of methimazole tablets: 5 mg/tablet
Convert the child's weight from pounds to kilograms:
1 lb ≈ 0.453592 kg
Calculate the total daily dose of methimazole in mg:
Total daily dose = Dose/kg/day x Weight (kg)
Substitute the values:
Total daily dose = 0.3 mg/kg/day x 55 lb x (0.453592 kg/1 lb)
Total daily dose ≈ 7.48 mg
Calculate the dose per dose (every 8 hours):
Dose per dose = Total daily dose / 3
Substitute the values:
Dose per dose = 7.48 mg / 3
Dose per dose ≈ 2.49 mg
Calculate the number of tablets to be administered:
Number of tablets = Dose per dose (mg) / Concentration (mg/tablet)
Substitute the values:
Number of tablets = 2.49 mg / 5 mg/tablet
Number of tablets ≈ 0.498
Round the answer to the nearest tenth:
Number of tablets ≈ 0.5 tablets
Correct Answer is ["1.1"]
Explanation
Step-by-Step Solution:
Convert the adolescent's weight from pounds to kilograms.
1 pound is = 0.453592 kilograms.
79 pounds = 79 x 0.453592 = 35.793592 kilograms.
Calculate the total dose of dimercaprol.
The prescribed dose is 3 mg/kg.
The adolescent weighs 35.793592 kg.
The total dose = 3 mg/kg x 35.793592 kg = 107.380776 mg.
Calculate the volume of dimercaprol injection to administer.
The available dimercaprol injection is 100 mg/mL.
To find the volume, we can set up a proportion:
100 mg / 1 mL = 107.380776 mg / x mL
Cross-multiplying:
100x = 107.380776
Solving for x:
x = 107.380776 / 100 = 1.07380776 mL
Round the answer to the nearest tenth: 1.1 mL.
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