A child who weighs 55 pounds receives a prescription for isoniazid 10 mg/kg/day by mouth (PO) once a day.
The bottle is labeled, “Isoniazid Oral Solution, USP 50 mg per 5 mL.”. How many mL should the nurse administer? . .
The Correct Answer is ["25"]
Answer and explanation
Step 1 is to convert the child’s weight from pounds to kilograms since the dosage is prescribed in mg/kg. We know that 1 kg is approximately 2.2 lbs. So, the child’s weight in kg is 55 lbs ÷ 2.2 = 25 kg (rounded to the nearest whole number for simplicity).
Step 2 is to calculate the total daily dosage. The prescription is for isoniazid 10 mg/kg/day. So, the total daily dosage in mg is 10 mg/kg/day × 25 kg = 250 mg/day.
Step 3 is to calculate the volume of the oral solution to administer. The bottle is labeled, “Isoniazid Oral Solution, USP 50 mg per 5 mL.”. So, the volume in mL to administer is (250 mg/day ÷ 50 mg) × 5 mL = 25 mL. Therefore, the nurse should administer 25 mL of the Isoniazid Oral Solution, USP 50 mg per 5 mL, once a day.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A rationale
Disseminated intravascular coagulation (DIC) is a serious complication that can occur after severe postpartum hemorrhage. It involves an abnormal activation of the clotting cascade, leading to the formation of small blood clots in the vessels and can result in organ damage.
Choice B rationale
Postpartum psychosis is a rare psychiatric emergency that typically presents with delirium and mood disturbances, and it is not directly related to postpartum hemorrhage.
Choice C rationale
While hard, painful uterine afterpains can occur after childbirth, they are not the highest priority for assessment in a client who experienced a severe postpartum hemorrhage.
Choice D rationale
Placenta accreta is a condition where the placenta attaches too deeply into the uterine wall. However, it is typically identified during pregnancy or at the time of delivery, not after a postpartum hemorrhage.
Correct Answer is B
Explanation
Choice A rationale
Nonstimulant medications can be beneficial in the treatment of ADHD. They are often used when stimulant medications are not effective or cause bothersome side effects.
Choice B rationale
Designating an established area for study is a beneficial strategy for children with ADHD. It helps to create a structured environment which can aid in focusing and completing tasks.
Choice C rationale
Being diagnosed with ADHD does not automatically qualify a child for a specialized education plan. Each child’s needs are evaluated individually, and while some may benefit from a specialized plan, it is not a universal requirement.
Choice D rationale
While creating an organization chart for tasks can be helpful for some children with ADHD, understanding this strategy does not necessarily demonstrate an understanding of the overall treatment for ADHD45.
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