A client is to receive LR 1000 ml over 8 hours. The IV tubing drop rate is 60 gtts/ml. What is the correct rate (gtts/min)? DOCUMENT ANSWER AS: RATE gtts/min (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 ["125"]
Calculate the total volume to be infused in drops.
Total drops = Total volume (mL) × Drop factor (gtts/mL)
= 1000 mL × 60 gtts/mL
= 60000 gtts
Calculate the total infusion time in minutes.
Total infusion time (minutes) = Total hours × 60 minutes/hour
= 8 hours × 60 minutes/hour
= 480 minutes
Calculate the IV flow rate in drops per minute (gtts/min).
IV rate (gtts/min) = Total drops / Total infusion time (minutes)
= 60000 gtts / 480 minutes
= 125
=125 gtts/min
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["200"]
Explanation
Volume ordered is 1 L.
Convert the total volume to milliliters (mL)
1 L = 1000 mL.
Total volume in mL = 1 L × 1000 mL/L = 1000 mL
Total infusion time = 5 hours
Calculate the infusion rate in milliliters per hour (mL/hr).
Infusion rate (mL/hr) = Total volume (mL) / Total infusion time (hours)
= 1000 mL / 5 hours
= 200
The appropriate setting is 200 mL/hr.
Correct Answer is D
Explanation
A. Dopamine and 50% non-rebreather mask: Dopamine is a vasopressor used in hypotension or shock, an inotropic agent used to improve cardiac output, not typically first-line for anxiety or respiratory distress. A non-rebreather mask may provide high oxygen levels but can be overwhelming and exacerbate anxiety if not well tolerated.
B. Nesiritide IV infusion and digoxin PO: Nesiritide is a vasodilator which may reduce preload and afterload in heart failure, and digoxin is a positive inotrope that can improve contractility, but neither offers rapid relief for anxiety and dyspnea. These medications have slower onset and are not used primarily for symptom control in acute distress.
C. Diazepam IV push and metoprolol IV: While diazepam may reduce anxiety, it can depress respiration, which is dangerous in decompensated heart failure with potential pulmonary edema. Metoprolol reduces heart rate and contractility and must be used cautiously in acute settings.
D. Morphine IV and oxygen 2 liters via nasal cannula: Morphine reduces preload, anxiety, and the sensation of breathlessness, making it ideal in acute decompensated heart failure. Low-flow oxygen improves oxygenation without overwhelming the patient. This combination directly targets both physiologic and psychological distress.
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