The healthcare provider prescribes cefixime oral suspension 200 mg PO twice a day for an older adult who has difficulty swallowing tablets. The bottle is labeled, "Cefixime for Oral Suspension, USP 100 mg per 5 mL." How many mL should the nurse administer daily? (Enter numerical value only.)
The Correct Answer is ["20"]
The prescribed dosage is 200 mg twice a day, so the total daily dosage in mg would be:
Daily dosage in mg = 2 × Dosage per dose = 2 × 200mg = 400mg
The medication is available in a concentration of 100 mg/5 mL.
Therefore, the volume to be administered per day in mL would be:
Volume in mL = Daily dosage in mg / Concentration in mg/mL = 400mg / 20mg/mL = 20mL
So, the nurse should administer 20 mL of cefixime oral suspension per day.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["0.7"]
Explanation
To find the volume of diphenhydramine the nurse should administer, we can divide the prescribed dose (mg) by the concentration (mg/mL) of the medication, and round to the nearest tenth:
1. Prescribed dose: 35 mg of diphenhydramine
2. Medication concentration: 50 mg/mL (milligrams of diphenhydramine per milliliter of solution)
3. Calculate the volume to administer:
Volume (mL) = Dose (mg) / Concentration (mg/mL)
Volume (mL) = 35 mg / 50 mg/mL
Volume (mL) = 0.7 mL (round to the nearest tenth)
Therefore, the nurse should administer 0.7 mL of diphenhydramine.
Correct Answer is ["0.9"]
Explanation
Here's how to calculate the total volume (mL) the nurse should administer for the combined medication dose
1. Calculate the volume for each medication:
Hydromorphone:
Dose: 4 mg (given)
Concentration: 10 mg/mL (given)
Volume (mL) = Dose (mg) / Concentration (mg/mL)
Volume (mL) = 4 mg / 10 mg/mL
Volume (mL) = 0.4 mL
Hydroxyzine:
Dose: 25 mg (given)
Concentration: 50 mg/mL (given)
Volume (mL) = Dose (mg) / Concentration (mg/mL)
Volume (mL) = 25 mg / 50 mg/mL
Volume (mL) = 0.5 mL
2. Add the volumes for each medication to find the total volume:
Total volume (mL) = Volume of hydromorphone (mL) + Volume of hydroxyzine (mL)
Total volume (mL) = 0.4 mL + 0.5 mL
Total volume (mL) = 0.9 mL (round to nearest tenth)
Therefore, the nurse should administer a total of 0.9 mL.
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