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 ["21"]
Explanation
Here's how to calculate the infusion rate for lactated Ringer's solution:
We know:
Total volume of lactated Ringer's solution: 1 liter (1000 mL) (given)
Infusion duration: 8 hours (given)
IV administration set drip rate: 10 gtt/mL (given)
We need to find:
Infusion rate in gtt/min
Steps:
Calculate the volume that needs to be delivered per hour:
Volume per hour (mL) = Total volume (mL) / Infusion time (hours)
Volume per hour (mL) = 1000 mL / 8 hours
Volume per hour (mL) = 125 mL/hour
Calculate the infusion rate in gtt/min:
Infusion rate (gtt/min) = Volume per hour (mL) x Drip rate (gtt/mL) / 60 minutes/hour (convert hour to minutes)
Infusion rate (gtt/min) = 125 mL/hour x 10 gtt/mL / 60 minutes/hour
Infusion rate (gtt/min) = 20.83 gtt/min (round to nearest whole number)
Therefore, the nurse should regulate the infusion at 21 gtt/min.
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