A nurse is preparing to administer digoxin 12 mcg/kg/day PO to divide equally every 12 hr to a school-age child who weighs 66 lb. Available is digoxin elixir 0.05 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.)

Answer and Explanation

The Correct Answer is ["3.6"]

To calculate the dosage of digoxin for the child, first convert the child's weight from pounds to kilograms, knowing that 1 kilogram equals 2.2 pounds. The child weighs 66 pounds, which is approximately 30 kilograms (66 ÷ 2.2). The prescribed dose is 12 micrograms per kilogram per day, which equals 360 micrograms per day (12 mcg × 30 kg). Since the dose is divided every 12 hours, the child should receive 180 micrograms every 12 hours. The digoxin elixir is available at a concentration of 0.05 mg/mL, which is the same as 50 micrograms per milliliter. To find out how many milliliters to administer per dose, divide the dose in micrograms by the concentration: 180 mcg ÷ 50 mcg/mL equals 3.6 mL.

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Correct Answer is A

Explanation

A. A bulging anterior fontanel is indicative of increased intracranial pressure, which can be a sign of severe dehydration in infants.

B. Bradypnea (slow breathing) is not typically associated with dehydration and may indicate other issues.

C. A capillary refill time of 3 seconds suggests delayed perfusion, but it is not as indicative of severe dehydration as other signs.

D. A 13% weight loss indicates severe dehydration, but the bulging fontanel is a more direct sign of the impact of dehydration on the infant's condition.

A. "Each day at a special time, talk to your baby." B. "It's important to respond to the baby's needs consistently." C. "Try to have many caregivers caring for the baby so they learn variability." D. "Stimulating your baby with many toys is key."

Correct Answer is B

Explanation

A. Talking to the baby is beneficial but is not as crucial as responding to their needs consistently.

B. Consistently responding to the baby's needs is critical for developing trust and a secure attachment, as it helps the baby feel safe and cared for.

C. Having many caregivers can be confusing and may disrupt the development of trust. Consistent caregivers are more beneficial.

D. While stimulation is important, consistent and responsive care is more fundamental to developing trust.

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Naxlex Comprehensive Predictor Exams

A nurse is admitting an infant who has severe dehydration from acute gastroenteritis. Which of the following findings should the nurse expect?

Correct Answer is A

Explanation

A nurse is providing anticipatory guidance to new parents of an infant. Which information would be most important to stress with the parents to promote the infant's development of trust?

Correct Answer is B

Explanation

A nurse is assessing a young child and suspects coarctation of the aorta based on which finding?

A nurse is teaching the parents of a toddler about temper tantrums. Which of the following manifestations should the nurse include in the teaching?

A nurse is preparing to administer amoxicillin 320 mg PO every 12 hr to an infant. The amount available is amoxicillin suspension 400 mg/5 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.)

Which of the following conditions is commonly associated with tetralogy of Fallot?

A nurse is caring for a child who has rheumatic fever. When obtaining the child's medical history from the parent, the nurse should recognize the significance of which of the following data as the possible source of the child's infection?

A nurse is preparing to administer vaccines to a 1-year-old child. Which of the following vaccines should the nurse give? (Select all that apply.)

A nurse is providing discharge teaching to a client has a new prescription for a metered dose inhaler (MDI). Which of the following instructions should the nurse include in the teaching?

A nurse is caring for a child who is having a seizure. Which of the following actions should the nurse take? (Select all that apply.)