A nurse is preparing to administer acetaminophen 10 mg/kg PO every 6 hr to a toddler who weighs 26.4 lb. Available is acetaminophen 80 mg/0.8 mL liquid. How many mL should the nurse administer with each dose? (Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)
The Correct Answer is ["1.2"]
Toddler's weight: 26.4 lb
1 lb = 0.453592 kg (conversion factor)
Weight in kilograms = 26.4 lb × 0.453592 kg/lb ≈ 11.979 kg
Calculate the total dosage based on the toddler's weight:
Total dosage = 10 mg/kg × 11.979 kg
≈ 119.79 mg
Determine the volume of acetaminophen solution needed based on the concentration provided: Available concentration: 80 mg/0.8 mL
Dosage required: 119.79 mgUsing the formula:
Volume (mL) = Dosage required (mg) / Concentration (mg/mL)
= 119.79 mg / 80 mg/0.8 mL
≈ 1.2 mL
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
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Correct Answer is A
Explanation
A. Discarding excess medication with a witness is necessary as the medication cannot be saved or reused.
B. Morphine is a controlled substance, and administering a partial dose and saving the rest for later use may lead to potential errors, diversion, or contamination of the remaining medication.
C. While excess medication should be disposed of properly, it is not necessary to dispose of the entire in the sharp’s container. Only the container itself should go to the sharp’s container.
D. The nurse should not administer the full prescribed dose of morphine from the prefilled syringe as that is an overdose as it can lead to respiratory depression.
Correct Answer is C
Explanation
A. Nitroglycerin patches should not be removed for routine activities like bathing unless specifically instructed.
B. Nitroglycerin is used to treat hypertension, not induce it. Monitoring for hypertension after applying the patch is unnecessary.
C. To prevent skin irritation and tolerance to the medication, it is important to rotate the application sites when using a transdermal patch. This allows the skin to recover and helps maintain the effectiveness of the medication.
D. Nitroglycerin patches are typically worn continuously for 12 to 14 hours and then removed for a 10- to 12-hour nitrate-free interval to prevent tolerance to the medication.
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