A child who weighs 25 kg receives a prescription for isoniazid 10 mg/kg/day by mouth once a day.
The bottle is labeled "isoniazid Oral Solution, USP 50 mg per 5 mL.”. How many mL should the nurse administer? (Enter numerical value only.
If rounding is required, round to the nearest whole number.)
The Correct Answer is ["25"]
Step 1: Calculate the total daily dose in mg: 25 kg × 10 mg/kg/day = 250 mg/day.
Step 2: Determine how many mL are needed to administer the 250 mg dose: (250 mg ÷ 50 mg) × 5 mL = (5) × 5 mL = 25 mL. Final calculated answer: 25 mL.v
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A rationale
Projectile vomiting in an infant with an olive-like mass in the abdomen suggests pyloric stenosis. This condition causes severe vomiting due to gastric obstruction. It's a hallmark symptom and requires monitoring and surgical intervention.
Choice B rationale
While arching the back can occur in various conditions, it is not specifically indicative of pyloric stenosis. It could be a sign of discomfort or other neurological issues but not directly related to the gastrointestinal obstruction seen in pyloric stenosis.
Choice C rationale
Frequent pauses during feeding are common in many infant conditions and are not specific to pyloric stenosis. They indicate general feeding difficulties but are not diagnostic of this particular condition.
Choice D rationale
Coffee-ground emesis indicates bleeding in the gastrointestinal tract but is not typical of pyloric stenosis. The hallmark sign is non-bloody, forceful vomiting due to gastric outlet obstruction.
Correct Answer is C
Explanation
Choice A rationale
Requesting extra staff to help with the nursing assessments may not be the most effective approach. It could increase the child's anxiety due to the presence of more unfamiliar people in the room. The primary goal is to create a calm environment that helps the child feel safe and more cooperative.
Choice B rationale
Explaining the reasons for the examination to the child may not be effective for a preschooler who may not fully understand or be comforted by such explanations. Young children often require more tangible and immediate means of reassurance and distraction.
Choice C rationale
Talking to the mother and gradually focusing on the child's toy is a practical approach. This strategy helps build rapport with both the mother and the child, and using the toy as a focal point can distract and comfort the child, making the examination process less intimidating and more cooperative.
Choice D rationale
Completing the assessment while allowing the child to cry may not be ideal. It can increase the child's distress and make the assessment more challenging. Addressing the child's emotional needs by providing comfort and distraction can lead to a more successful and less stressful examination.
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