A client receiving mechanical ventilation has a pH of 7.26, PaCO2 of 68 mm Hg, and a PaO2 of 92 mm Hg. Which intervention should the nurse implement?

Decrease expiratory flow time.

Decrease expiratory pressure.

Increase rate of ventilation.

Increase ventilator tidal volume.

Answer and Explanation

The Correct Answer is C

The correct answer is choice C: Increase rate of ventilation.

Choice A rationale:

Decreasing expiratory flow time would not directly address the elevated PaCO2 levels. This intervention is more related to managing expiratory phase issues rather than correcting respiratory acidosis.

Choice B rationale:

Decreasing expiratory pressure might help with certain ventilation issues, but it does not specifically target the elevated PaCO2 and resulting acidosis.

Choice C rationale:

Increasing the rate of ventilation helps to blow off more CO2, thereby reducing PaCO2 levels and correcting the respiratory acidosis indicated by the pH of 7.26 and PaCO2 of 68 mm Hg.

Choice D rationale:

Increasing the ventilator tidal volume could also help reduce PaCO2 by increasing the amount of air exchanged with each breath. However, increasing the rate of ventilation is generally a more immediate and effective intervention for acute respiratory acidosis.

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Free Nursing Study Resources

Correct Answer is ["30"]

Explanation

The correct answer is 30 mL/hour.

Step 1 is to calculate the total amount of norepinephrine in the IV bag: 4 mg norepinephrine ÷ 1000 mL = 0.004 mg/mL

Step 2 is to convert the patient's weight from pounds to kilograms: 176 pounds ÷ 2.2 = 80 kilograms

Step 3 is to calculate the total amount of norepinephrine the patient will receive per minute: 2 mcg/min × 60 min = 120 mcg/min

Step 4 is to convert micrograms (mcg) to milligrams (mg): 120 mcg ÷ 1000 = 0.12 mg

Step 5 is to calculate the total volume of norepinephrine needed per hour: 0.12 mg ÷ 0.004 mg/mL = 30 mL/hour

Therefore, the nurse should program the infusion pump to deliver 30 mL/hour.

Correct Answer is ["21"]

Explanation

Let’s calculate the infusion rate step by step:

Convert 1 liter to mL: 1 liter = 1000 mL.
Calculate total infusion time in minutes: 12 hours = 12 × 60 = 720 minutes.
Calculate the rate in mL/min: Rate = Total Volume ÷ Total Time = 1000 mL ÷ 720 min = 1.39 mL/min.
Calculate the drip rate in gtt/min: Drip Rate = Rate (mL/min) × Drip Factor (gtt/mL) = 1.39 mL/min × 15 gtt/mL = 20.85 gtt/min.

If rounding is required, we round to the nearest whole number. So, the nurse should regulate the infusion to 21 gtt/min.

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A client receiving mechanical ventilation has a pH of 7.26, PaCO2 of 68 mm Hg, and a PaO2 of 92 mm Hg. Which intervention should the nurse implement?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

A client who weighs 176 pounds receives a prescription for norepinephrine 2 mcg/min intravenously (IV). The IV bag is labeled, "Norepinephrine 4 mg in dextrose 5% in water (D;W) 1,000 mL." How many mL/hour should the nurse program the infusion pump? (Enter numerical value only.).

Correct Answer is ["30"]

Explanation

Correct Answer is ["21"]

Explanation

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