A nurse is preparing to administer digoxin 2 mcg/kg/day PO to divide equally every 12 hours for an infant who weighs 7 kg. Available is digoxin elixir 0.05 mg/mL. How many mL should the nurse administer per dose? (Round the answer to the nearest hundredth. Use a leading zero if it applies. Do not use a trailing zero.)
The Correct Answer is ["0.14"]
Step 1: Identify the known values
- Dose ordered = 2 mcg/kg/day
- Frequency = every 12 hours → 2 doses per day
- Weight = 7 kg
- Concentration available = 0.05 mg/mL
Step 2: Calculate total daily dose in mcg
2 mcg × 7 kg = 14 mcg/day
Step 3: Divide daily dose by 2 to get per dose
14 mcg ÷ 2 = 7 mcg per dose
Step 4: Convert mcg to mg
7 mcg = 0.007 mg
Step 5: Use concentration to calculate mL per dose
0.007 mg ÷ 0.05 mg/mL = 0.14 mL
Answer: 0.14 mL
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["B","C","F"]
Explanation
A. Analytical skills is incorrect. While analytical skills are important for clinical decision-making, they are not a core component of emotional intelligence. Emotional intelligence primarily focuses on understanding and managing emotions, not necessarily on analytical thinking.
B. Social skills is correct. Social skills are essential in emotional intelligence as they enable a nurse to interact effectively with patients, families, and colleagues. These skills include communication, teamwork, and conflict resolution, all of which are crucial for building strong relationships and managing emotions in healthcare settings.
C. Empathy is correct. Empathy is a key component of emotional intelligence. It allows a nurse to understand and share the feelings of others, especially patients, and provides a foundation for compassionate and effective care.
D. Physical endurance is incorrect. While physical endurance is important for a nurse's overall well-being and ability to perform physically demanding tasks, it is not a component of emotional intelligence. Emotional intelligence focuses on emotional and interpersonal skills, not physical capabilities.
Correct Answer is ["B","D","E","F"]
Explanation
A. Hypernatremia and hypertension is incorrect. In panhypopituitarism, adrenal insufficiency from decreased ACTH results in hyponatremia and hypotension, not hypernatremia and hypertension.
B. Hypotension and tachycardia is correct. Due to decreased ACTH, there is reduced cortisol and aldosterone, leading to low blood pressure and compensatory tachycardia.
C. Increased bone density due to decreases in growth hormone is incorrect. Growth hormone deficiency actually results in decreased bone density, not increased. GH plays a critical role in bone growth and maintenance.
D. Hypoglycemia due to decreased ACTH and cortisol is correct. Without sufficient cortisol, glucose regulation is impaired, increasing the risk of hypoglycemia.
E. Decreased ability to cope with stress secondary to decreased cortisol is correct. Cortisol is essential for the stress response, and its deficiency leads to poor tolerance to physical and emotional stress.
F. Hyperkalemia secondary to decreased aldosterone is correct. Low ACTH leads to adrenal insufficiency, which can reduce aldosterone production, causing sodium loss and potassium retention (hyperkalemia).
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