A nurse is preparing to administer erythromycin 50 mg/kg/day in divided doses every 6 hr to an adolescent who is postoperative following surgical removal of a peritonsillar abscess and weighs 40 kg. Available is erythromycin oral solution 200 mg/5 mL. How many mL should the nurse administer with each dose? (Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)
The Correct Answer is ["12.5"]
Dose required per day = 50mg/kg/day × 40 kg = 2000 mg/day
Dose per administration = 2000mg4 doses = 500 mg/dose
Volume to administer:
200mg5ml=40mg/ml
500mg40mg/ml=12.5ml/dose
Correct answer =12.5mL/dose
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. "Chill the medication prior to administration." The medication should be warmed to room temperature to prevent discomfort or dizziness during administration.
B. "Pull the pinna up and back during medication administration." For infants, the pinna should be pulled down and back to straighten the ear canal.
C. "Hyperextend the infant's neck during medication administration." Hyperextending the neck is unnecessary and may cause discomfort; a neutral position is sufficient.
D. "Massage the anterior area of the ear following administration." Massaging the tragus helps ensure the medication is evenly distributed into the ear canal.
Correct Answer is A
Explanation
A. "I can offer popcorn as a snack food." Popcorn is gluten-free and safe for children with celiac disease.
B. "I will make sandwiches on rye bread." Rye contains gluten and should be avoided.
C. "I will purchase graham crackers to pack in their lunchbox." Graham crackers often contain gluten and are unsuitable unless specifically labeled gluten-free.
D. "I can make beef barley soup for dinner." Barley contains gluten and is not safe for children with celiac disease.
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