A nurse is preparing to administer ibuprofen solution 60 mg orally to a 7-month-old infant who is febrile. Available is ibuprofen 50 mg/1.25 mL. How many 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 ["1.5"]
Step 1: Determine the desired dose
The desired dose is 60 mg of ibuprofen.
Step 2: Calculate the dose per mL
The available concentration is 50 mg per 1.25 mL.
Step 3: Set up a proportion to find the volume needed
(50 mg / 1.25 mL) = (60 mg / x mL)
Step 4: Solve for x
x = (60 mg 1.25 mL) / 50 mg
x = 1.5 mL
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
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Correct Answer is A
Explanation
A. A teenage boy is the correct answer. The HPV vaccine is recommended for males and females starting at age 11 or 12, but it is most effective when given before any sexual activity. The vaccine can be administered through age 26 for individuals who were not vaccinated at the appropriate age.
B. An older adult woman is not typically recommended for the HPV vaccine. The vaccine is most effective when given before exposure to the virus, typically in preadolescent girls and boys. Women over the age of 26 may not benefit as much from the vaccine.
C. A preschool-age girl is unlikely to receive the HPV vaccine at this age, as it is usually given starting at age 11 or 12, ideally before the onset of sexual activity.
D. A middle adult man may still receive the HPV vaccine if not previously vaccinated, but it is primarily recommended for individuals under age 26.
Correct Answer is D
Explanation
A. Respiratory acidosis is incorrect. Chronic diarrhea typically leads to metabolic acidosis, not respiratory acidosis. Metabolic acidosis occurs due to the loss of bicarbonate through diarrhea, which affects the body’s acid-base balance.
B. Hypermagnesemia is incorrect. Chronic diarrhea is more likely to lead to hypomagnesemia due to the loss of electrolytes through frequent bowel movements, not an increase in magnesium levels.
C. Hypertension is incorrect. Chronic diarrhea generally leads to dehydration and hypotension due to fluid loss rather than high blood pressure.
D. Hypokalemia is correct. Chronic diarrhea causes significant potassium loss, which can result in hypokalemia (low potassium levels). Potassium is lost in the stool, and this depletion can lead to muscle weakness, arrhythmias, and other complications.
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