A nurse is preparing to administer fluoxetine 80 mg PO daily. Available is fluoxetine 40 mg/5mL. How many mL should the nurse administer per dose?
(Write the number only, do not include the label. Record the answer to the nearest whole number. Do not use a trailing zero)
The Correct Answer is ["10"]
Dose (mL) = Desired dose (mg) / Available dose (mg/mL) Plugging in the values from the question, we get:
Dose (mL) = 80 mg / (40 mg / 5 mL) Simplifying the fraction, we get:
Dose (mL) = 80 mg / 8 mg/mL Dividing both sides by 8, we get:
Dose (mL) = 10 mL
Therefore, the nurse should administer 10 mL of fluoxetine per dose.
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Naxlex Comprehensive Predictor Exams
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Correct Answer is B
Explanation
A. 24 hours is a long time for alcohol withdrawal symptoms to occur.
B. Alcohol withdrawal symptoms typically begin within 6 to 8 hours after the last drink for
individuals with a history of heavy alcohol use. These symptoms can range from mild anxiety and tremors to more severe symptoms like seizures and delirium tremens. It's crucial for
healthcare providers to monitor and manage alcohol withdrawal symptoms, as they can be life- threatening in severe cases.
C. Alcohol withdrawal symptoms occur within 6 to 8 hours, not 18 hours.
D. Alcohol withdrawal symptoms occur within 6 to 8 hours, not 72 hours.
Correct Answer is B
Explanation
A. Wernicke encephalopathy is caused by thiamine (Vitamin B1) deficiency, but it is not characterized by thiamine deficiency itself.
B. Wernicke encephalopathy is characterized by lesions in the hypothalamus and mammillary bodies in the brain.
C. While cognitive impairment may be present, this is not the primary characteristic of Wernicke encephalopathy.
D. Double vision and rapid eye movement are symptoms of Wernicke encephalopathy, but they are not the irreversible complication itself.
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