A nurse is preparing to administer a dexamethasone 1.5 mg/kg/day PO to divide equally every 6 hr to a preschool-age child who weighs 22 lb. Available is dexamethasone oral solution 1 mg/mL. How many mL should the nurse administer per 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 ["3.8"]
Convert the child’s weight to kg:
22 lb ×1kg/2.2lb = 10 kg
Calculate the daily dose:
1.5 mg/kg/day × 10 kg=15mg/day
Divide the total daily dose by the number of doses per day (every 6 hours):
15mg/day ÷ 4doses/day =3.75mg/dose
Convert the dose to mL using the concentration:
3.75mg × 1 mL/1 mg = 3.75 mL
Round to the nearest tenth:
3.75 mL≈ 3.8 mL
Answer: The nurse should administer 3.8 mL per dose.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. Supine: Lying on the back can limit lung expansion and is not the best position for a child with respiratory issues. It can contribute to atelectasis and does not facilitate effective breathing.
B. Prone: The prone position can improve oxygenation and ventilation, particularly in severe respiratory distress, but it may not be the most comfortable or practical for all patients, especially in a non-ICU setting.
C. Upright: Sitting upright or in a high Fowler's position is optimal for lung expansion. It facilitates easier breathing and helps the lungs expand more fully, allowing for better oxygenation.
D. Side-lying: Side-lying may be comfortable but does not provide as much benefit for lung expansion as the upright position. It is less effective in promoting maximal lung expansion compared to the upright position.
Correct Answer is A
Explanation
A. Initiate droplet precautions. Pertussis (whooping cough) is transmitted via respiratory droplets. Droplet precautions are necessary to prevent the spread of the disease through coughs or sneezes.
B. Initiate a protective environment. A protective environment is used for patients with severe immunocompromised conditions to protect them from infections, not to prevent the spread of respiratory infections like pertussis.
C. Initiate contact precautions. Contact precautions are used for infections spread by direct or indirect contact with the patient or their environment, such as MRSA. Pertussis is spread by droplets, not by contact.
D. Initiate airborne precautions. Airborne precautions are for diseases that are spread through airborne particles, such as tuberculosis or measles. Pertussis is not airborne but spread through larger respiratory droplets.
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