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 B

Explanation

A. Cromolyn sodium is a preventive medication and should be taken regularly as prescribed, not at the first sign of breathing difficulty.

B. Avoiding triggers that cause an asthma attack is crucial in asthma management and helps in preventing exacerbations.

C. Exercise can be managed in asthma with appropriate medication; it is not necessary to stop activities like basketball. Swimming may be less likely to trigger asthma symptoms but is not a blanket solution.

D. The peak expiratory flow meter should be used regularly, often daily, to monitor asthma control, not just once per week.

A. Erikson's stage of initiative versus guilt B. Imaginary playmates C. Negative behaviors characterized by the need for autonomy D. Demonstrations of sexual curiosity

Correct Answer is C

Explanation

A. Erikson's stage of initiative versus guilt typically occurs during the preschool years (3-6 years), not the toddler stage.

B. Imaginary playmates are more characteristic of the preschool years rather than the toddler stage.

C. Toddlers are in Erikson's stage of autonomy versus shame and doubt, characterized by negative behaviors as they assert independence and develop autonomy.

D. Demonstrations of sexual curiosity become more pronounced during the preschool years and are less typical in the toddler stage.

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Naxlex Comprehensive Predictor Exams

A nurse is providing education to a school-age child who has a new diagnosis of asthma. Which of the following statements should the nurse include in the teaching?

Correct Answer is B

Explanation

A nurse is assessing the psychosocial development of a toddler. The nurse should recognize that this stage is characterized by which of the following?

Correct Answer is C

Explanation

A nurse is caring for a newborn who has hydrocephalus. Which of the following manifestations should the nurse expect to find?

The nurse would teach the mother of a boy with Tetralogy of Fallot that if the child suddenly becomes cyanotic and dyspneic, the mother should:

A nurse is preparing to administer 5% dextrose in 0.45% sodium chloride 1,000 mL IV to infuse over 12 hr. The nurse should set the IV pump to deliver how many mL/hr? (Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)

A nurse is caring for a 2-month-old infant who is postoperative following repair of a cleft lip and palate. The provider prescribes restraints. The nurse should apply which of the following types of restraints for this infant?

A nurse is teaching a school-age child who has type 1 diabetes mellitus and his parents about illness management. Which of the following instructions should the nurse include?

A nurse is presenting an in-service about the use of postural drainage for infants who have cystic fibrosis. Which of the following positions should the nurse identify as being contraindicated for the infant?

Coarctation of the aorta demonstrates few symptoms in newborns. What is a important assessment to the nurse make on all newborns to help reveal this condition?