The physician orders 1000 mL of D5W to infuse over 8 hours. The IV tubing has a drop factor of 10 gtt/mL. What is the drip rate in drops per minute? Round to the nearest whole number.
21 gtt/min
25 gtt/min
28 gtt/min
31 gtt/min
The Correct Answer is A
Choice A reason: To calculate drip rate: (1000 mL ÷ 8 hours) × (10 gtt/mL ÷ 60 min/hour) = 1250 ÷ 60 = 20.83 gtt/min. Rounded to the nearest whole number, 21 gtt/min is correct for the infusion.
Choice B reason: A rate of 25 gtt/min overestimates the infusion, delivering 1000 mL in about 6.7 hours, not 8. The calculated rate is 20.83 gtt/min, making 25 incorrect after rounding to 21.
Choice C reason: 28 gtt/min delivers 1000 mL too quickly (about 6 hours). The formula yields 20.83 gtt/min, and rounding to 21 is accurate, making 28 gtt/min incorrect for the ordered infusion.
Choice D reason: 31 gtt/min significantly exceeds the required rate, infusing 1000 mL in about 5.4 hours. The correct rate is 20.83 gtt/min, rounded to 21, making 31 gtt/min incorrect.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A reason: Limiting fluid and caffeine intake before bed is the most effective way to reduce nocturia, as it decreases bladder volume and irritation overnight. Caffeine is a bladder stimulant, and reduced fluids minimize urine production, directly addressing the patient’s frequent urination.
Choice B reason: Practicing Kegel exercises strengthens pelvic floor muscles, aiding stress incontinence, but nocturia is more related to bladder overactivity or volume. Limiting fluids and caffeine more directly reduces nighttime urination frequency, making this less effective.
Choice C reason: Leaving the bathroom light on improves safety but does not address the cause of nocturia. Reducing fluid and caffeine intake directly decreases urination frequency, while lighting is a secondary safety measure, making this less appropriate.
Choice D reason: Clearing the path to the bathroom enhances safety but does not reduce nocturia’s frequency. Limiting fluid and caffeine intake before bed more effectively minimizes nighttime urination, making environmental adjustments a secondary consideration for this issue.
Correct Answer is C
Explanation
Choice A reason: Pain relieved by eating is not typical of appendicitis, which often worsens with food intake due to inflammation. This suggests a gastrointestinal issue like gastritis, making it incorrect for appendicitis.
Choice B reason: Pain radiating to the back is more associated with conditions like pancreatitis or aortic aneurysm. Appendicitis pain is localized or radiates to the right lower quadrant, making this incorrect.
Choice C reason: Pain at McBurney’s point (right lower quadrant, midway between umbilicus and iliac crest) is a classic appendicitis sign due to localized inflammation. This specificity makes it the correct finding.
Choice D reason: Pain worsened by deep breathing may occur in pleuritic or abdominal conditions but is not specific to appendicitis. McBurney’s point pain is more diagnostic, making this less indicative.
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