A nurse is preparing to administer lidocaine via continuous IV infusion at 4 mg/min. Available is lidocaine 2 g dextrose 5% in water 500 mL. The nurse should set the IV pump to deliver how many mL/hr? (Round the answer to the nearest whole number. Use a leading zero if it applies. Do not use a trailing zero.)
The Correct Answer is ["60"]
Calculation:
- Determine the concentration of the available solution in mg/mL.
Total drug amount: 2 g
Total volume: 500 mL
- Convert grams (g) to milligrams (mg): 2 g × 1000 mg/g
= 2000 mg
Available concentration (mg/mL) = 2000 mg/500 mL
= 4 mg/mL.
- Calculate the infusion rate in milliliters per minute (mL/min).
Desired rate: 4 mg/min
Available concentration: 4 mg/mL
Rate (mL/min) = Desired rate (mg/min) / Available concentration (mg/mL)
= 4 mg/min/4 mg/mL
= 1 mL/min.
- Convert the rate from milliliters per minute (mL/min) to milliliters per hour (mL/hr).
Rate (mL/hr) = Rate (mL/min) ×60 min/hr
= 1 mL/min×60 min/hr
= 60 mL/hr.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. Methadone: Methadone is an opioid agonist used for opioid dependence and pain management. It does not treat the symptoms of alcohol withdrawal and is not indicated in this scenario.
B. Chlordiazepoxide: Chlordiazepoxide is a benzodiazepine commonly used to manage acute alcohol withdrawal. It reduces agitation, tremors, and the risk of seizures by enhancing GABAergic activity in the central nervous system.
C. Varenicline: Varenicline is used to aid smoking cessation by acting on nicotinic receptors. It does not alleviate alcohol withdrawal symptoms and is not part of standard alcohol withdrawal management.
D. Buprenorphine: Buprenorphine is a partial opioid agonist used for opioid use disorder. It is not effective in treating alcohol withdrawal and does not address the associated neurological excitability or risk of seizures.
Correct Answer is C
Explanation
A. Food and Drug Administration (FDA): The FDA provides information about drug approval, safety, and labeling, but it is not the primary resource for practical administration guidance in a clinical setting.
B. The Joint Commission (TJC): TJC focuses on healthcare quality and safety standards, accreditation, and patient safety goals, rather than detailed medication administration instructions.
C. Medication Administration Record (MAR): The MAR contains the client-specific medication list, dosages, routes, and times. It is the most direct and reliable resource for a nurse to review prior to administering unfamiliar medications.
D. Agency for Healthcare Research and Quality (AHRQ): AHRQ provides evidence-based guidelines and research on healthcare practices but does not serve as a primary source for step-by-step medication administration information.
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