Chlorpromazine (Thorazine) 175 mg IM is ordered. Available: 25 mg/mL. How many mLs will you administer?
0.5 mL
7 ml
2 ml
17 ml
The Correct Answer is B
To calculate the dosage, we need to use the formula:
Dosage (mL) = Ordered dose (mg) / Available dose (mg/mL)
Plugging in the given values, we get:
Dosage (mL) = 175 mg / 25 mg/mL
Simplifying, we get:
Dosage (mL) = 7 mL
Therefore, the dosage is 7 mL.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Step 1: Identify the total volume to be infused.
- Total volume = 2,000 mL
Step 2: Identify the total time for infusion.
- Total time = 24 hours
Step 3: Calculate the flow rate in mL/hr.
- Flow rate = Total volume ÷ Total time
- Flow rate = 2,000 mL ÷ 24 hours
Step 4: Perform the division.
- 2,000 ÷ 24 = 83.3333…
Step 5: Round to the nearest whole number since the equipment is programmable in whole mL/hr.
- Rounded flow rate = 83 mL/hr
So, the flow rate is 83 mL/hr.
Correct Answer is C
Explanation
Step 1: Identify the given information
- Total volume to infuse = 100 mL
- Infusion time = 30 minutes
- Drop factor = 60 gtt/mL
Step 2: Use the formula for flow rate
Flow rate (gtt/min) = (Total Volume (mL) × Drop Factor (gtt/mL)) ÷ Infusion Time (min)
Step 3: Plug in the values
= (100 × 60) ÷ 30
Step 4: Solve step by step
- 100 × 60 = 6000
- 6000 ÷ 30 = 200
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