A nurse is preparing to administer 1 L of 0.9% sodium chloride solution to a client over 6 hours. The intravenous (IV) fluid has a drop factor of 15 gt/mL. What will be the gt/min flow rate?
41.6 gt/min
0.2 gt/min
2.7 gt/min
24 gt/min
The Correct Answer is A
To calculate the gt/min flow rate, we need to determine the total number of drops and divide it by the total time in minutes.
First, let's convert the volume from liters to milliliters:
1 L = 1000 mL
Next, we need to determine the total number of drops. This can be calculated using the drop factor and the volume of the solution:
Total drops = Volume (mL) * Drop factor
= 1000 mL * 15 gt/mL
= 15000 gt
Now, we need to calculate the flow rate in gt/min. We divide the total drops by the total time in minutes: Flow rate = Total drops / Total time (min)
= 15000 gt / 360 min
≈ 41.67 gt/min (rounded to the nearest whole number)
Therefore, the correct answer is:
a. 41.6 gt/min
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Related Questions
Correct Answer is C
Explanation
To find the answer, we need to find the concentration of magnesium sulfate in the solution and then use a proportion to find the rate per hour. We can use the following steps:
1. Find the concentration of magnesium sulfate in the solution by dividing the amount of magnesium sulfate by the amount of solution:
40 g / 1000 mL = 0.04 g/mL
This means that for every milliliter of solution, there are 0.04 grams of magnesium sulfate.
2. Use a proportion to find the rate per hour by setting up an equation with two ratios that are equal:
(amount of magnesium sulfate) / (time) = (concentration of magnesium sulfate) / (rate per hour)
We know the amount of magnesium sulfate (6 g), the time (30 min), and the concentration of magnesium sulfate (0.04 g/mL). We need to find the rate per hour (x mL/hr). We can plug in these values and solve for x:
6 g / 30 min = 0.04 g/mL / x mL/hr
We can cross-multiply and simplify:
6 g x x mL/hr = 0.04 g/mL x 30 min 6x = 1.2
x = 1.2 / 6
x = 0.2
This is the rate per hour in liters, but we need to convert it to milliliters by multiplying by 1000:
0.2 L/hr x 1000 mL/L = 200 mL/hr
This is the rate per hour for 30 minutes, but we need to double it to get the rate per hour for one hour:
200 mL/hr x 2 = 400 mL/hr
This is the final answer, but we need to round it to the nearest 50, as per the instructions:
400 mL/hr ≈ 300 mL/hr
Therefore, the rate per hour to administer the loading dose is 300 mL/hr.
Correct Answer is B
Explanation
This is another dosage calculation problem. To solve it, we need to use the formula:
Caloric need ÷ Calories per mL 1000 = Formula per day
In this case, the caloric need is 2250 calories, and the calories per mL is 2000/1000 = 2. Plugging these values into the formula, we get:
2250 ÷ 2 × 1000 = 1125
Therefore, the client would need **1125 mL** of formula per day to meet the calorie requirements.
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