Question

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a nurse is preparing to administer lactated ringer’s 400 ml iv bolus to infuse over 3 hr. the drop factor of the manual iv tubing is 20 gtt/ml. the nurse should set the manual iv infusion to deliver how many gtt/min? (round the answer to the nearest whole number. use a leading zero if it applies. do not use a trailing zero.)

Explanation:

Step1: Convert hours to minutes

Since 1 hour = 60 minutes, 3 hours = \(3\times60 = 180\) minutes.

Step2: Use the formula \(gtt/min=\frac{Volume(mL)\times Drop - factor(gtt/mL)}{Time(minutes)}\)

Here, Volume \(V = 400\) mL, Drop - factor \(D = 20\) gtt/mL, Time \(T=180\) minutes.
Substitute the values into the formula: \(gtt/min=\frac{400\times20}{180}\)

$$
LATEXBLOCK0
$$

Rounding to the nearest whole number gives 44.

Answer:

44