A nurse is preparing to administer fluoxetine 10 mg PO to an older adult client. Available is fluoxetine oral solution 20 mg/5 mL. How many ml should the nurse administer? (Round the answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero.)
The Correct Answer is ["10"]
Volume to Administer=Desired Dose/Available Concentration × Volume
=10 mg ÷20mg/5mL
= 10/20 × 5mL
= 0.5×5mL
=2.5mL
So, the nurse should administer 2.5 mL.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. bronchi: The bronchi are air passages that conduct air into the lungs. They branch into smaller tubes (bronchioles) but are not involved in the actual gas exchange process.
B. nasal passages: The nasal passages filter, warm, and humidify incoming air. They are involved in air preparation but not in the exchange of gases.
C. alveoli: The alveoli are tiny sacs within the lungs where oxygen and carbon dioxide are exchanged between the air and blood. This is the primary site for gas exchange in the respiratory system.
D. larynx: The larynx, or voice box, is involved in sound production and protecting the airway during swallowing. It is not involved in gas exchange.
Correct Answer is B
Explanation
A. 15 mg: This calculation is incorrect because it underestimates the total daily dosage.
B. 20 mg: This calculation is correct. Here’s the breakdown: Each dose is 10 mL (which contains 5 mg), given four times a day. Thus, 5 mg per dose × 4 doses = 20 mg daily.
C. 10 mg: This calculation is incorrect as it only accounts for two doses rather than four daily doses.
D. 2.5 mg: This calculation is incorrect because it represents the dosage per 5 mL (1 teaspoon), not the total daily dosage.
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