A nurse is preparing to administer cefixime to a patient. The dose is 200 mg PO.
Available is cefixime oral suspension 100 mg/mL.
How many milliliters should the nurse administer?
Use a leading zero if it applies. Do not use a trailing zero.
1.9 mL.
2 mL.
2.1 mL.
2.2 mL.
The Correct Answer is B
To calculate the volume of cefixime oral suspension that the nurse should administer, you need to divide the prescribed dose (200 mg) by the concentration of the suspension (100 mg/mL).
This gives you 200 mg ÷ 100 mg/mL = 2 mL.
Therefore, the nurse should administer 2 mL of cefixime oral suspension.
Choice A is incorrect because 1.9 mL would provide a dose of 190 mg.
Choice C is incorrect because 2.1 mL would provide a dose of 210 mg.
Choice D is incorrect because 2.2 mL would provide a dose of 220 mg.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Insulin lispro is a fast-acting insulin that starts to work about 15 minutes after injection, peaks in about 1 hour, and keeps working for 2 to 4 hours1.
Therefore, it should be injected 15 minutes before a meal2.
Choice B is incorrect because polyuria (frequent urination) is a symptom of high blood sugar levels, not a direct result of insulin lispro injection.
Choice C is incorrect because checking the expiration date should be done before administering any medication, not after.
Choice D is incorrect because insulin lispro should be administered using a clean syringe and proper hygiene practices should be followed to prevent infection.
Correct Answer is B
Explanation
To calculate the volume of cefixime oral suspension that the nurse should administer, you need to divide the prescribed dose (200 mg) by the concentration of the suspension (100 mg/mL).
This gives you 200 mg ÷ 100 mg/mL = 2 mL.
Therefore, the nurse should administer 2 mL of cefixime oral suspension.
Choice A is incorrect because 1.9 mL would provide a dose of 190 mg.
Choice C is incorrect because 2.1 mL would provide a dose of 210 mg.
Choice D is incorrect because 2.2 mL would provide a dose of 220 mg.
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