A client is receiving one liter of DW 0.45% normal saline IV every 8 hours by gravity infusion. The IV tubing has a drip factor of 12 gtt/mL. The nurse should regulate the IV to deliver how many drops per minute?
(Enter numeric value only. If rounding is required, round to the nearest whole number.)
The Correct Answer is ["25"]
To answer this question, we need to find the flow rate of the IV in milliliters per hour, and then multiply it by the drip factor of the IV tubing to get the drops per minute. The flow rate of the IV is the volume of fluid divided by the time of infusion, which is one
liter (or 1000 ml) divided by eight hours, or 125 ml/hour. The drip factor of the IV tubing is 12 gtt/mL, so the drops per minute are 125 x 12 / 60 = 25 gtt/minute. Therefore, the nurse should regulate the IV to deliver 25 drops per minute.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["6"]
Explanation
1. Determine the concentration of oxytocin in the IV solution:
20 units of oxytocin in 1000 mL = 20,000 milliunits in 1000 mL.
Therefore, 1 mL contains 20 milliunits of oxytocin.
2. To find the mL/hour:
2 milliunits/min × 60 min/hour = 120 milliunits/hour.
3. Finally, calculate the mL/hour:
120 milliunits/hour ÷ 20 milliunits/mL = 6 mL/hour.
Correct Answer is ["0.41"]
Explanation
To answer this question, we need to convert the prescribed dose of magnesium hydroxide from mg to mL, and then from mL to oz. We can use the following conversion factors:
1 mL = 0.033814 oz
400 mg = 5 mL
First, we divide the prescribed dose of 4800 mg by 400 mg to get the equivalent amount in mL:
4800 mg / 400 mg = 12 mL
Then, we multiply the amount in mL by 0.033814 oz to get the equivalent amount in oz: 12 mL x 0.033814 oz = 0.405768 oz
Therefore, the nurse should instruct the client to take 0.41 oz (rounded to two decimal places) with each dose.
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