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.)
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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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. A decreased respiratory rate is not a typical sign of pain in an infant and may indicate other issues.
B. Increased formula consumption is not a specific indicator of pain and could be related to other factors like hunger or comfort.
C. Increased crying episodes are a common sign of pain in infants, as they often use crying to express discomfort or distress.
D. Decreased heart rate is not typically associated with pain and may indicate other conditions.
Correct Answer is A,B,C,D,E
Explanation
A. Trust vs. Mistrust: This stage occurs from birth to approximately 18 months of age. During this period, infants learn to trust their caregivers to meet their needs. If their needs are consistently met, they develop a sense of trust; otherwise, they may develop mistrust.
B. Autonomy vs. Shame and Doubt: From 18 months to 3 years, children begin to assert their independence. If caregivers encourage self-sufficient behavior, children become more autonomous; if they're overly criticized, they may develop feelings of shame and doubt.
C. Initiative vs. Guilt: Between the ages of 3 and 5, children start to initiate activities and assert control over their world through play and social interactions. Successful initiation leads to a sense of purpose, while failure results in feelings of guilt.
D. Industry vs. Inferiority: From 6 years to puberty, children compare themselves to their peers. They develop a sense of pride and accomplishment through their successes, or they may feel inferior if they do not measure up.
E. Identity vs. Role Confusion: During adolescence, teens explore different roles and ideas to form a personal identity. A well-established identity leads to the ability to stay true to oneself, while failure to establish an identity results in role confusion.
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