A nurse is caring for a patient with a nasogastric (NG) tube and tests the pH of the secretions to verify correct placement of the tube.
What pH reading should the nurse expect?

70.

40.

60.

80. .

Answer and Explanation

The Correct Answer is B

The pH of gastric secretions is typically low, reflecting the acidic environment of the stomach. A pH reading of 4.0 would be expected if the nasogastric (NG) tube is correctly placed in the stomach.

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Correct Answer is B

Explanation

Choice A rationale

A stoma may appear red and moist immediately after surgery, similar to the inside of the mouth. A purplish color could indicate a lack of blood supply to the stoma, which is a medical emergency.

Choice B rationale

A small amount of bleeding around the stoma is normal, especially when cleaning the area or changing the ostomy appliance. This is because the stoma contains blood vessels and has a rich blood supply.

Choice C rationale

Fecal output from a colostomy can be expected within 2 to 4 days after surgery. It is not typical to see output within 24 hours.

Choice D rationale

An increase in the intake of raw vegetables is not necessary after a colostomy. In fact, some people may find certain raw vegetables difficult to digest and they may cause gas or odor.

Correct Answer is ["31"]

Explanation

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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A nurse is caring for a patient with a nasogastric (NG) tube and tests the pH of the secretions to verify correct placement of the tube. What pH reading should the nurse expect?

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Naxlex Comprehensive Predictor Exams

A nurse is educating a patient who recently had a colostomy. What information should the nurse include in the teaching?

Correct Answer is B

Explanation

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?

Correct Answer is ["31"]

Explanation

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A nurse is caring for a patient with a nasogastric (NG) tube and tests the pH of the secretions to verify correct placement of the tube.
What pH reading should the nurse expect?