The physician orders a Lidocaine drip to infuse at 2 mg/min. The drug is available as 2 gm in 500 ml of fluid. Solve for ml/hr.
The Correct Answer is ["3"]
Lidocaine infusion calculation:
- Lidocaine dose ordered: 2 mg/min
- Lidocaine concentration: 2 gm in 500 mL
- Conversion factor: 1 mg = 1000 mcg
Calculations:
- Convert Lidocaine dose to mcg/min: 2 mg/min × 1000 mcg/mg = 2000 mcg/min
- Lidocaine concentration is 2 gm in 500 mL, which equals 4000 mcg/mL.
- Calculate mL/hr:
- mL/hr = (2000 mcg/min × 60 min/hr) / 4000 mcg/mL = 3 mL/hr
Answer:
- mL/hr: 3 mL/hr
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. "I feel angry when you leave me." Asserts feelings without blaming or threatening.
B. "I wish you would not make me angry." Implies blame and places responsibility on the other person.
C. "It makes me angry when you interrupt me." Asserts feelings without blaming.
D. "You'd better listen to me." Implies a threat and demands compliance. Aggressive communication involves imposing demands or threats on others.
Correct Answer is ["20"]
Explanation
Heparin infusion calculation:
- Heparin dose ordered: 1000 units per hour
- Heparin concentration: 25,000 units in 500 mL
- Conversion: 1 mL = 500 units
Calculations:
- Units per hour = 1000 units
- Units per mL = 25,000 units / 500 mL = 50 units/mL
- mL per hour = 1000 units / 50 units/mL = 20 mL/hr
Answer: The IV pump should be set to 20 mL/hr.
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