An infant weighing 16 pounds, 8 ounces is admitted to the pediatric unit with severe dehydration and requires intravenous (IV) fluid resuscitation. The nurse is preparing to administer a 0.9% normal saline IV fluid bolus of 6 mL/kg to infuse over 2 hours. The nurse should set the IV pump to deliver how many mL/hr? (Round to the nearest whole number)
The Correct Answer is ["23"]
To calculate the IV fluid rate, first, convert the infant's weight from pounds and ounces to kilograms. There are 2.2 pounds in one kilogram. The infant weighs 16 pounds and 8 ounces, which is 16.5 pounds or approximately 7.5 kilograms when converted (16.5 pounds ÷ 2.2 pounds per kilogram). Next, multiply the infant's weight in kilograms by the prescribed amount of IV fluid, which is 6 mL/kg. This results in 45 mL (7.5 kg × 6 mL/kg). Since the fluid is to be infused over 2 hours, divide the total volume of 45 mL by 2 hours to find the rate per hour. The IV pump should be set to deliver approximately 22.5 mL/hr. After rounding to the nearest whole number, the IV pump should be set to deliver 23 mL/hr.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. Enriched bread may contain some calcium, but it's not as rich a source as other options.
B. White beans are a good source of calcium, which is important for bone health in preschoolers.
C. Fortified cereal may contain added calcium, but it may not be as naturally rich as other food sources.
D. While spinach contains calcium, it also contains oxalates, which can inhibit calcium absorption, making it a less effective source of dietary calcium.
Correct Answer is C
Explanation
A. A capillary refill greater than 3 seconds suggests ongoing dehydration and poor perfusion, indicating that oral rehydration has not been fully effective.
B. A respiratory rate of 24/min is within normal limits for a 4-year-old but is not a direct indicator of hydration status.
C. A urine specific gravity of 1.015 is within the normal range, indicating adequate hydration and that oral rehydration therapy has been effective.
D. A heart rate of 130 bpm, while potentially normal for a 4-year-old, does not specifically indicate the effectiveness of rehydration therapy.
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