A nurse is preparing to infuse a 250-mL unit of packed red blood cells (RBCs) over 2 hours.

The drop factor of the manual intravenous (IV) tubing is 15 drops/mL. How many drops per minute should the nurse adjust the flow rate to deliver?

Answer and Explanation

The Correct Answer is ["31"]

Step 1: Calculate the total volume to be infused. Total volume = 250 mL.

Step 2: Calculate the total time for the infusion in minutes. Total time = 2 hours × 60 minutes/hour = 120 minutes.

Step 3: Calculate the flow rate in mL/min. Flow rate = Total volume ÷ Total time = 250 mL ÷ 120 min = 2.08 mL/min.

Step 4: Calculate the flow rate in drops/min. Flow rate = 2.08 mL/min × 15 drops/mL = 31.25 drops/min. So, the nurse should adjust the flow rate to deliver approximately 31 drops per minute.

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Correct Answer is ["A","C"]

Explanation

Choice A rationale

A specific gravity of 1.036 is higher than the normal range of 1.005 to 1.030345. This could indicate dehydration or other conditions that cause the urine to be more concentrated. This finding should prompt the nurse to follow up.

Choice B rationale

A pH of 6.4 is within the normal range for urine, which is typically between 4.6 and 8.03. Therefore, this finding would not necessarily require follow-up.

Choice C rationale

The presence of proteinuria (protein in the urine) is abnormal and could indicate kidney disease or other serious health conditions. This finding should prompt the nurse to follow up.

Choice D rationale

The presence of hematuria (blood in the urine) can be a sign of several conditions, including urinary tract infections, kidney stones, or bladder infections. However, without more information, it’s not clear whether this finding alone should prompt the nurse to follow up.

Correct Answer is ["75"]

Explanation

Step 1 is to divide the total volume of TPN by the total time in hours.

So, 1800 mL ÷ 24 hr = 75 mL/hr.

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A nurse is preparing to infuse a 250-mL unit of packed red blood cells (RBCs) over 2 hours. The drop factor of the manual intravenous (IV) tubing is 15 drops/mL. How many drops per minute should the nurse adjust the flow rate to deliver?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A nurse is reviewing urinary laboratory results. Which findings should prompt the nurse to follow up?

Correct Answer is ["A","C"]

Explanation

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Correct Answer is ["75"]

Explanation

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A nurse is preparing to infuse a 250-mL unit of packed red blood cells (RBCs) over 2 hours.

The drop factor of the manual intravenous (IV) tubing is 15 drops/mL. How many drops per minute should the nurse adjust the flow rate to deliver?