A nurse is reviewing the laboratory values of a client who is receiving total parenteral nutrition (TPN): glucose 72 mg/dL, chloride 100 mEq/L sodium 138 mEq/L, and potassium 3.0 mEq/L. Which of the following actions should the nurse plan to take?

Check the client for a positive Chvostek’s sign

Discontinue the TPN infusion.

Request a potassium replace

Administer glucagon IM

Answer and Explanation

The Correct Answer is C

A. Check the client for a positive Chvostek’s sign:
Chvostek's sign is a clinical sign of hypocalcemia, not related to the given laboratory values. The symptoms include facial muscle twitching when the facial nerve (VII) is tapped. There's no indication for this assessment based on the provided information.

B. Discontinue the TPN infusion:
The glucose level is within the normal range (70-99 mg/dL). Discontinuing TPN based solely on this glucose level is not warranted.

C. Request a potassium replacement:
The potassium level is low (normal range typically 3.5-5.0 mEq/L). Given the low potassium level, the nurse should plan to request a potassium replacement. Potassium is crucial for various physiological functions, and a deficiency can lead to significant complications.

D. Administer glucagon IM:
Glucagon is used to treat hypoglycemia, but the client's glucose level is within the normal range, so administering glucagon is not indicated.

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Correct Answer is B

Explanation

A. To remove gastric acid that might cause dyspepsia:
This statement is not accurate. Measuring gastric residuals is not done to remove gastric acid but rather to ensure that the previous feeding has been digested and moved into the intestines before the next feeding is administered.

B. To identify delayed gastric emptying:This is the correct purpose. Measuring gastric residual helps assess whether the stomach is properly emptying its contents. High residual volumes can indicate delayed gastric emptying, which can increase the risk of aspiration and other complications during enteral feeding.

C. To determine the client's electrolyte balance:
Measuring gastric residuals is not used to assess the client's overall electrolyte balance. Electrolyte balance is typically assessed through blood tests and clinical evaluations, not by checking gastric residuals.

D. To confirm the placement of the NG tube:
Although verifying NG tube placement is critical before feeding, this is typically done by checking the tube’s external length, aspirating gastric contents, and confirming placement through pH testing or an X-ray, not by measuring gastric residual.

A. Thirty minutes before breakfast and the evening meal B. One hour before breakfast and the evening meal C. At the time the client takes an antacid D. At the time the client takes a proton-pump inhibitor

Correct Answer is A

Explanation

A. Thirty minutes before breakfast and the evening meal: This is the correct option. Sucralfate is typically administered 30 minutes before meals or on an empty stomach to allow it to form a protective coating over ulcers without interference from food.

B. One hour before breakfast and the evening meal: This choice is not typical for sucralfate administration. Waiting for a whole hour before meals might cause the patient to miss the window where the medication is most effective.

C. At the time the client takes an antacid: Administering sucralfate simultaneously with an antacid is not recommended because antacids can interfere with its effectiveness by neutralizing the stomach acid needed to activate sucralfate.

D. At the time the client takes a proton-pump inhibitor: Sucralfate should not be administered simultaneously with proton-pump inhibitors. Proton-pump inhibitors reduce stomach acid, which is needed to activate sucralfate.

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A nurse is reviewing the laboratory values of a client who is receiving total parenteral nutrition (TPN): glucose 72 mg/dL, chloride 100 mEq/L sodium 138 mEq/L, and potassium 3.0 mEq/L. Which of the following actions should the nurse plan to take?

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Naxlex Comprehensive Predictor Exams

A nurse is caring for a client who receives intermittent enteral feedings through an NG tube. Before administering a feeding, the nurse should measure the gastric residual for which of the following purposes?

Correct Answer is B

Explanation

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Correct Answer is A

Explanation

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