Order: ceftriaxone 2 g in 100 mL of 0.9% NaCI (normal saline solution) over 30 minutes
Available: Macro drip set: 15 gtt/mL
Calculate the IV flow rate in gtt/min.
50 gtt/min
15 gtt/min
10 gtt/min
100 gtt/min
The Correct Answer is A
1. Determine the total volume to be infused: 100 mL
2. Calculate the infusion time in minutes: 30 minutes
3. Calculate the drip rate (gtt/min):
Drip rate = (Total volume / Infusion time) x Drop factor
Drip rate = (100 mL / 30 minutes) x 15 gtt/mL
Drip rate = 50 gtt/min
Therefore, the correct answer is 50 gtt/min
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Let's calculate the dosage using the provided information.
Information from the label:
Bumetanide concentration: 0.25 mg/mL
Available volume: 10 mL vial
Order: Bumex (bumetanide) 1 mg IV daily
Calculation:
Determine the desired dose: 1 mg
Use the formula:
Desired dose (mg) / Available concentration (mg/mL) = Volume to administer (mL)
Substitute the values:
1 mg / 0.25 mg/mL = Volume to administer (mL)
Calculate:
Volume to administer = 4 mL
Therefore, the correct answer is C. 4 mL
Correct Answer is D
Explanation
Rationale:
Ordered Dose:
The prescription is for 12 mg of Celestone Soluspan (betamethasone) IM every 24 hours for 2 doses.
Available Dose (from label): The vial contains 6 mg/mL.
Dosage Calculation: Using the formula:
Volumetoadminister(mL) = Availableconcentration(mg/mL) / Ordereddose(mg)
Volumetoadminister = 12mg / 6mg/mL = 2 mL
Administration Route:
The order specifies IM (intramuscular) administration, aligning with the label instructions.
Thus, 2 mL IM is the correct dosage to administer.
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