A nurse is preparing to administer amoxicillin 250 mg PO. Available is amoxicillin oral suspension 125 mg/5 mL. How many ml. should the nurse administer? (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 ["250"]
Desired Dose=250mg
Available Concentration=125mg/5mL
Volume to Administer=Desired Dose/Available Concentration × Volume
= 250 mg ÷ 125 mg/5mL
= 250/125 × 5mL
= 2 ×5mL
= 10 mL
So, the nurse should administer 10 mL.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. The nose and paranasal sinuses: This is partially correct, but it does not include all the structures of the upper respiratory tract. It misses the nasal cavity and the pharynx.
B. The nose, nasal cavity, pharynx, and the lungs: This is incorrect because the lungs are part of the lower respiratory tract, not the upper respiratory tract.
C. The nose, nasal cavity, pharynx, and paranasal sinuses: This is the correct answer. The upper respiratory tract includes the nose, nasal cavity, pharynx, and paranasal sinuses. These structures are involved in air conduction, filtration, humidification, and protection.
D. The lungs and associated structures: This is incorrect as the lungs are part of the lower respiratory tract, which also includes the bronchi and bronchioles.
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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