A nurse is preparing to administer atropine 0.02 mg/kg via IV bolus to a school-age child who weighs 30 kg. Available is 0.4 mg/mL. How many mL should the nurse administer? (Round your answer to the nearest tenth. Use a leading zero if it applies. Do not use a trailing zero).
The Correct Answer is ["1.5"]
Calculation:
- Calculate the total dose in milligrams (mg).
Ordered dose: 0.02 mg/kg
Patient weight: 30 kg
Total dose (mg) = 0.02 mg/kg x 30 kg
= 0.6 mg.
- Calculate the volume to administer in milliliters (mL).
Total dose: 0.6 mg
Available concentration: 0.4 mg/mL
Volume (mL) = Total Dose (mg) / Available Concentration (mg/mL)
= 0.6 mg / 0.4 mg/mL
= 1.5 mL.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. A client receives regular insulin 1 hr after a meal: Administering insulin outside the recommended timing can cause hypoglycemia or other adverse effects. This medication error is a reportable event, requiring completion of an incident report for documentation and quality improvement.
B. A client refuses to get out of bed: Patient refusal of activity or care is part of routine nursing documentation and does not constitute an incident that requires a formal report unless it results in harm.
C. A client was scheduled to be discharged 2 hr ago: A delayed discharge is an operational issue rather than a clinical incident. It should be addressed in workflow review but does not require an incident report.
D. A client receives an antibiotic 30 min after the scheduled time: A slight delay in routine medication administration is typically documented in the medical record but does not usually meet the threshold for an incident report unless it results in harm or adverse effects.
Correct Answer is ["1.3"]
Explanation
Calculation:
- Determine the available concentration of the reconstituted solution in mg/mL.
Vial content: 125 mg
Reconstitution volume: 2 mL
Available concentration (mg/mL) = 125 mg / 2 mL
= 62.5 mg/mL.
- Calculate the volume to administer in milliliters (mL).
Desired dose: 80 mg
Available concentration: 62.5 mg/mL
Volume (mL) = Desired dose (mg) / Available concentration (mg/mL)
= 80 mg / 62.5 mg/mL
= 1.28 mL.
- Round the answer to the nearest tenth.
= 1.3 mL.
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