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.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["B","C","D"]
Explanation
Choice A rationale
Age of the client is not a significant risk factor for postpartum hemorrhage. While age can influence overall health and pregnancy complications, it is not directly linked to an increased risk of postpartum hemorrhage. Therefore, the age of the client, in this case, does not increase the risk for postpartum hemorrhage.
Choice B rationale
The use of forceps during delivery can increase the risk of postpartum hemorrhage. Forceps delivery is an assisted delivery method which can cause trauma to the birth canal, leading to increased bleeding after delivery. In this case, the client had a forceps-assisted delivery, which could increase her risk for postpartum hemorrhage.
Choice C rationale
A 4th degree laceration is a severe tear that occurs during delivery, extending to the anal sphincter and rectal mucosa. This type of laceration can lead to significant blood loss and increase the risk of postpartum hemorrhage. In this case, the client had a 4th degree laceration, which increases her risk for postpartum hemorrhage.
Choice D rationale
A long labor duration can increase the risk of postpartum hemorrhage. Prolonged labor can lead to uterine atony, a condition where the uterus does not contract properly after delivery, leading to increased bleeding. In this case, the client was in labor for 25 hours, which could increase her risk for postpartum hemorrhage.
Correct Answer is D
Explanation
Choice A rationale
While acknowledging the child’s knowledge about the upcoming operation is important, it does not provide the child with an opportunity to express their understanding or feelings about the operation.
Choice B rationale
Reassuring the child about the care they will receive is important, but it does not encourage the child to express their understanding or feelings about the operation.
Choice C rationale
Asking the child if they are scared might lead the child to focus on their fear, rather than helping them understand the operation.
Choice D rationale
Asking the child to explain what an operation is can help the healthcare provider assess the child’s understanding of the operation. It also provides an opportunity to correct any misconceptions and provide appropriate information.
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