A nurse is caring for an older adult client who has a hearing aid. Which of the following actions should the nurse take when the client reports hearing a whistling sound from the hearing aid?

Choice A Reason:

Hyperkalemia is incorrect. Vomiting and diarrhea typically lead to a loss of potassium rather than an increase. These conditions often result in depletion of electrolytes, including potassium, due to the loss of fluids.

Choice B Reason:

Hypocalcemia is correct. While prolonged or severe diarrhea could potentially lead to some electrolyte imbalances, hypocalcemia is not typically a primary finding associated with vomiting and diarrhea. Calcium levels may not be significantly affected by these symptoms compared to sodium and potassium.

Choice C Reason:

Hypermagnesemia is incorrect. Similar to calcium, magnesium levels are not usually significantly impacted by vomiting and diarrhea alone. Hypermagnesemia is more commonly associated with excessive intake of magnesium-containing medications or renal dysfunction rather than acute gastrointestinal symptoms.

In a client experiencing vomiting and diarrhea, the loss of fluids and electrolytes due to these symptoms commonly leads to:

Choice D Reason:

Hyponatremia is correct. Vomiting and diarrhea can cause a loss of sodium and water, leading to decreased sodium levels in the blood, which manifests as hyponatremia. This electrolyte imbalance is a typical finding in individuals experiencing gastrointestinal issues with fluid loss.

Choice A Reason:

Verifying the bilirubin level of the tube contents is incorrect. Measuring bilirubin levels in the tube contents is not a standard or reliable method for confirming tube placement. It's not an established or recommended technique for this purpose.

Choice B Reason:

Auscultating for air insufflation is incorrect. Auscultation for air insufflation involves injecting air into the tube and listening for bubbling sounds over the stomach area. While this method is commonly used, it can sometimes yield inconsistent or inconclusive results, especially in patients with certain conditions or situations where air movement might not be detectable.

Choice C Reason:

Request a chest x-ray is correct. Obtaining a chest x-ray is the most reliable method to confirm the placement of a feeding tube, especially when the tube is newly inserted or if there are any doubts about its location. A chest x-ray can accurately visualize the position of the tube within the gastrointestinal tract, ensuring it is in the intended location before any feedings or medications are administered.

Choice D Reason:

Checking the pH level of gastric contents is incorrect. Measuring the pH level of aspirated gastric contents can provide information about the acidity of the fluid, indicating gastric placement (pH below 5) in most cases. However, the pH can be influenced by various factors like medications, enteral feeding solutions, or certain medical conditions, making it less reliable than a chest x-ray for definitive confirmation of tube placement.