A nurse is caring for a child who has recurrent otitis media. The child weighs 14.9 kg (33 lb). A prescription is written for amoxicillin 40 mg/kg PO to be given in two divided doses per day. The pharmacy provides the nurse with amoxicillin 250 mg/5 mL. How many mL of the medication should the nurse plan to administer for 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 ["6"]
Calculate the total daily dose:
Total daily dose (mg) = Weight (kg) x Dosage (mg/kg/day)
=14.9 kg x 40 mg/kg/day
= 596 mg/day
Calculate the dose per administration (divided into two doses):
Dose per administration (mg) = Total daily dose (mg) / Number of doses
= 596 mg/day / 2 doses
= 298 mg/dose
Calculate the volume to administer per dose:
Volume (mL) = Desired dose (mg) / Available concentration (mg/mL)
Available concentration = 250 mg / 5 mL
= 50 mg/mL
Volume (mL) = 298 mg / 50 mg/mL
= 5.96 mL/dose
Round to the nearest whole number:
5.96 mL is 6 mL/dose
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. Oatmeal. Oatmeal is a healthy carbohydrate and fiber source, but it is not a significant source of potassium, which is essential for clients taking furosemide. While beneficial for overall health, oatmeal will not help counteract potassium loss caused by diuretic therapy.
B. Baked potatoes. Baked potatoes are rich in potassium, which is frequently lost due to furosemide’s potassium-wasting effects. Furosemide is a loop diuretic that increases urine output and depletes electrolytes, particularly potassium, which can lead to hypokalemia (low potassium levels). To help maintain electrolyte balance, clients should consume potassium-rich foods like potatoes, bananas, oranges, and spinach.
C. Brown rice. Brown rice is a good source of fiber and complex carbohydrates, but it contains only small amounts of potassium. While it provides sustained energy, it does not significantly contribute to potassium replacement, making it less beneficial for clients on furosemide.
D. Eggs. Eggs are high in protein and essential nutrients but are not a significant source of potassium. While eggs are beneficial for overall health, they do not help replenish potassium lost due to diuretic therapy.
Correct Answer is B
Explanation
A. "Place a thick layer of the medication on open areas." Topical corticosteroids like fluticasone should not be applied in thick layers or to open wounds, as excessive absorption can lead to systemic side effects such as adrenal suppression. A thin layer is sufficient to achieve the desired anti-inflammatory effects while minimizing adverse reactions.
B. “Rub the medication until it disappears.” Topical corticosteroids should be applied in a thin layer and gently rubbed into the skin until no visible residue remains. This ensures even absorption without excessive medication buildup, reducing the risk of local and systemic side effects, especially in infants who have a higher risk of absorption due to their thinner skin.
C. "Cover the area with an occlusive dressing." Occlusive dressings increase medication absorption, which can lead to systemic corticosteroid effects such as skin thinning, delayed wound healing, and adrenal suppression. Occlusion should only be used under medical supervision, especially in infants who are more susceptible to these effects.
D. "Apply the medication to your infant's entire arm." Fluticasone should be applied only to affected areas, not the entire limb. Applying it over a larger area than necessary increases the risk of systemic absorption and side effects. The medication should be used only as directed for targeted treatment of atopic dermatitis.
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