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 B
Explanation
A. Administer aspirin for pain. Aspirin increases the risk of bleeding and is contraindicated in clients with hemophilia. Acetaminophen is recommended instead.
B. Place knee pads on the child. Protective gear like knee pads can help prevent joint injuries, which are common in toddlers with hemophilia.
C. Perform passive range-of-motion exercises following an acute episode. Active range-of-motion exercises are preferred after an acute episode to prevent joint damage. Passive exercises can exacerbate bleeding.
D. Use a firm-bristled toothbrush for dental care. A soft-bristled toothbrush should be used to minimize gum bleeding.
Correct Answer is A
Explanation
A. Applying heat to the affected areas: Heat application promotes vasodilation and helps relieve pain in vaso-occlusive crises. This is a priority because managing pain is critical during a crisis. It can also help improve blood flow and alleviate discomfort.
B. Administering prophylactic antibiotics: While prophylactic antibiotics are important in preventing infections in sickle cell anemia, this is not the immediate priority during a vaso-occlusive crisis.
C. Administering the pneumococcal vaccine: While vaccination is important, it is not a priority during a vaso-occlusive crisis.
D. Promoting bed rest: Bed rest is generally recommended to reduce energy expenditure, but it does not directly address the acute pain or vaso-occlusion that needs to be managed immediately.
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