The physician orders a Lidocaine drip to infuse at 5 mcg/min. The drug is available as 750 mg in 500 mL of fluid. The client weighs 220 pounds. Calculate mcg/min, mcg/hr, and mL/hr.
The Correct Answer is ["0.2"]
Step-by-Step Calculation:
Step 1: Convert the client's weight from pounds to kilograms.
220 lbs ÷ 2.2 = 100 kg
Result = 100 kg
Step 2: Calculate the concentration of Lidocaine in mcg/mL.
750 mg × 1000 = 750,000 mcg
Result = 750,000 mcg
750,000 mcg ÷ 500 mL = 1500 mcg/mL
Result = 1500 mcg/mL
Step 3: Calculate the infusion rate in mcg/min.
5 mcg/min (prescribed dose)
Result = 5 mcg/min
Step 4: Calculate the infusion rate in mcg/hr.
5 mcg/min × 60 min/hr = 300 mcg/hr
Result = 300 mcg/hr
Step 5: Calculate the infusion rate in mL/hr.
300 mcg/hr ÷ 1500 mcg/mL = 0.2 mL/hr
Result = 0.2 mL/hr
Final Results:
- Infusion rate: 5 mcg/min
- Infusion rate: 300 mcg/hr
- Infusion rate: 0.2 mL/hr
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Choice A Reason:
Allowing the client to control the timing and frequency of the therapy might seem beneficial, but it can lead to inconsistent participation and lack of progress. Structured therapy sessions are essential for rehabilitation, and while some flexibility is important, a completely client-controlled schedule may not provide the necessary consistency.
Choice B Reason:
Limiting visiting hours until the client begins to participate in therapy is not an effective approach. Social support from family and friends is crucial for the emotional well-being of the client and can actually motivate them to engage more in their rehabilitation efforts. Restricting visits could lead to increased feelings of isolation and resistance.
Choice C Reason:
Establishing a plan of care with the client that sets attainable goals is the most effective approach. Involving the client in their care plan fosters a sense of ownership and motivation. Setting realistic and achievable goals helps the client see progress, which can boost their confidence and willingness to participate in therapy.
Choice D Reason:
Informing the client that privileges are related to participation in therapy can be perceived as punitive and may not be effective in motivating the client. It is important to use positive reinforcement and encouragement rather than threats or restrictions to foster cooperation and engagement in the rehabilitation process.
Correct Answer is ["30"]
Explanation
Step-by-Step Calculation:
Step 1: Convert 2 gm to mg.
2 gm × 1000 = 2000 mg
Step 2: Determine the concentration of Lidocaine in mg/mL.
2000 mg ÷ 500 mL = 4 mg/mL
Step 3: Calculate the infusion rate in mL/min.
2 mg/min ÷ 4 mg/mL = 0.5 mL/min
Step 4: Convert the infusion rate to mL/hr.
0.5 mL/min × 60 min/hr = 30 mL/hr
Result: The Lidocaine drip should be infused at 30 mL/hr.
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