A primary healthcare provider has instructed a nurse to give 100 fl oz of fluids to a client with renal calculi. What should the nurse do while caring for this client?
Instruct the client to drink 6 cups of fluids.
Provide 2400 mL of fluids daily.
Provide 3 L of fluids daily.
Instruct the client to drink 250 mL of water daily.
The Correct Answer is B
One fluid ounce is equal to **29.57353 milliliters**¹²³. To convert fluid ounces to milliliters, you can multiply the value in fluid ounces by 29.57353. For example, 1 fluid ounce x 29.57353 milliliters = 29.57353 milliliters.
Therefore, to convert 100 fl oz of fluids to milliliters, you can multiply 100 by 29.57353. The answer is
**2957.353 milliliters**. This is the amount of fluids that the nurse should provide to the client with renal calculi.
The other options are not correct because they do not match the calculated amount of fluids that the client needs. Option a is wrong because it is too litle fluids, which could result in dehydration or inadequate flushing of the urinary tract. Option c is wrong because it is too much fluids, which could result in fluid overload or electrolyte imbalance. Option d is wrong because it is not a volume but a frequency, and it is also too litle fluids for the client's condition.
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Correct Answer is B
Explanation
To find the flow rate in mL/hr, you need to use the formula for infusion rate:
Infusion rate (mL/h) = Total volume (mL) / Time (h)
Since the total volume is 2.5 L and the time is 15 hours, plug in these values into the formula:
Infusion rate (mL/h) = 2.5 L / 15 h
However, before you can simplify and solve for the infusion rate, you need to convert the volume from liters to milliliters by multiplying by 1000:
Infusion rate (mL/h) = 2500 mL / 15 h
Simplify and solve for the infusion rate:
Infusion rate (mL/h) = 166.67 mL/h
Therefore, the flow rate for continuous infusion is **166.67 mL/h**.
Correct Answer is A
Explanation
The flow rate of infusion is 125 mL/hr.
This answer is correct because it is based on a simple division and rounding calculation. The nurse should follow these steps to determine the flow rate of infusion:
1) Subtract the start time of the infusion from the end time of the infusion to get the duration of the infusion in hours and minutes, as follows:
15:45 - 06:57 = 8:48
Therefore, the infusion lasted for 8 hours and 48 minutes.
2) Convert the duration of the infusion to hours only by dividing the minutes by 60, since there are 60 minutes in 1 hour. Add this to the hours, as follows:
8 + (48 / 60) = 8.8
Therefore, the infusion lasted for 8.8 hours.
3) Divide the volume of the infusion by the duration of the infusion to get the flow rate in milliliters per hour, as follows:
1000 mL / 8.8 hr = 113.64 mL/hr
Therefore, the flow rate is 113.64 mL/hr.
4) Round the flow rate to the nearest whole number, as follows:
113.64 mL/hr ≈ 114 mL/hr
Therefore, the flow rate is approximately 114 mL/hr.
5) Adjust the flow rate to a standard value that can be set on an IV pump or gravity drip chamber, as follows:
114 mL/hr → 125 mL/hr
Therefore, the flow rate of infusion is 125 mL/hr.
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