A nurse is preparing to administer gentamicin to a child who weighs 44 lb. The provider prescribes 6 mg/kg/day IV to be administered in three equal doses. Available is gentamicin 40 mg/mL. How many mL should the nurse administer with each dose?
(Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)
The Correct Answer is ["1"]
Step 1: Convert the child's weight from pounds to kilograms.
44 pounds / 2.2 pounds/kg = 20 kg
Step 2: Calculate the child's total daily dose of gentamicin.
20 kg * 6 mg/kg/day = 120 mg/day
Step 3: Divide the child's total daily dose of gentamicin by the number of doses per day.
120 mg / 3 doses/day = 40 mg/dose
Step 4: Calculate the volume of gentamicin to be administered with each dose.
40 mg / 40 mg/mL = 1 mL/dose
Step 5: Round the answer to the nearest whole number and add a leading zero if necessary.
1 mL/dose = 1 mL/dose
Answer: 1 mL with each dose.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A rationale:
Administering an IV fluid bolus can help increase blood volume and thus increase blood pressure, which can alleviate symptoms of dizziness and lightheadedness. This is a common side effect of ramipril, especially after the first dose.
Choice B rationale:
Naloxone is an opioid antagonist and is not relevant in this context. It’s used to reverse the effects of opioid overdose, not to treat symptoms associated with antihypertensive medications.
Choice C rationale:
Diphenhydramine is an antihistamine used to treat allergic reactions or insomnia, not symptoms associated with antihypertensive medications.
Choice D rationale:
Administering 15 g of carbohydrates would be appropriate for a hypoglycemic patient, not for a patient experiencing dizziness and lightheadedness due to antihypertensive medication.
Correct Answer is D
Explanation
Choice A rationale:
Fluoxetine is an antidepressant. While some antidepressants are used for chronic pain management, fluoxetine is not typically used for this purpose.
Choice B rationale:
Methylphenidate is a stimulant used to treat attention deficit hyperactivity disorder (ADHD) and is not used for pain management.
Choice C rationale:
Lorazepam is a benzodiazepine used for treating anxiety, seizures, and insomnia. It is not typically used for managing neuralgia pain.
Choice D rationale:
Carbamazepine is an anticonvulsant that is commonly used to manage trigeminal neuralgia. It helps to reduce nerve impulses that cause pain.
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