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A child with a heart defect is placed on a maintenance dose of Lanoxin elixir. The ordered dose is 0.07mg/kg/day in 2 divided doses. The child weighs 19 pounds. What is the maximum amount of medication that will be given per dose by the nurse?

Answer and Explanation

The Correct Answer is ["0.3"]

Convert weight from pounds to kilograms:

19pounds÷2.2=8.64kg

Calculate the total daily dose:

0.07mg/kg/day×8.64kg=0.6048mg/day

Divide the daily dose into two doses:

0.6048mg/day÷2=0.3024mg/dose

Round off the dose to two decimal places:

0.3024mg≈0.30mg

The maximum amount of medication per dose is 0.3 mg.

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Correct Answer is B

Explanation

A. Hypoplastic heart syndrome: Characterized by underdevelopment of the left side of the heart, not mixing of blood.
B. Atrioventricular canal defect: An atrioventricular canal defect allows oxygenated and deoxygenated blood to mix due to the presence of a common atrioventricular valve and defects in the atrial and ventricular septa. This defect results in a mixture of oxygenated and deoxygenated blood, which can cause varying levels of oxygenation in the blood delivered to the body.
C. Tetralogy of Fallot: Involves a ventricular septal defect leading to right-to-left shunting, but not a direct mixing of oxygenated and deoxygenated blood.
D. Coarctation of the aorta: Involves narrowing of the aorta, not mixing of oxygenated and deoxygenated blood.

A. Vernix in the folds and creases B. Short, soft fingernails C. Abundant lanugo D. Cracked, peeling skin E. Creases covering soles of feet F. Positive moro reflex

Correct Answer is ["D","E","F"]

Explanation

A. Vernix in the folds and creases. Vernix caseosa is typically decreased or absent in postmature infants.
B. Short, soft fingernails. Postmature infants usually have long, hard fingernails.
C. Abundant lanugo. Lanugo (fine body hair) is usually less or absent in postmature infants, which is more typical of preterm infants.
D. Cracked, peeling skin. Postmature infants often have dry, peeling skin due to prolonged exposure to amniotic fluid.
E. Creases covering soles of feet. This is a sign of maturity; postmature infants have more developed skin creases on the soles of their feet.
F. Positive moro reflex. This is a normal reflex seen in infants and should be present in a postmature infant.

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A child with a heart defect is placed on a maintenance dose of Lanoxin elixir. The ordered dose is 0.07mg/kg/day in 2 divided doses. The child weighs 19 pounds. What is the maximum amount of medication that will be given per dose by the nurse?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

The nurse knows which congenital cardiac defect is characterized by a mixing of well-oxygenated blood with poorly oxygenated blood.

Correct Answer is B

Explanation

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Correct Answer is ["D","E","F"]

Explanation

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