A nurse is providing care for a client who has hypervolemia, ketoacidosis, and metabolic acidosis. Which of the following lab values should the nurse be concerned about?

Serum potassium levels

Serum calcium levels

Serum sodium levels

Blood urea nitrogen (BUN)

Answer and Explanation

The Correct Answer is A

The correct answer is a) Serum potassium levels.

Choice A reason:

Serum potassium levels are crucial to monitor in clients with hypervolemia, ketoacidosis, and metabolic acidosis. Potassium imbalances are common in these conditions due to shifts between intracellular and extracellular compartments. In diabetic ketoacidosis (DKA), for example, insulin deficiency and acidosis cause potassium to move out of cells, leading to hyperkalemia. However, once treatment with insulin begins, potassium shifts back into cells, which can cause hypokalemia. Both hyperkalemia and hypokalemia can have serious cardiac implications, making it essential to monitor and manage potassium levels closely.

Choice B reason:

Serum calcium levels are important for overall health, but they are not the primary concern in the context of hypervolemia, ketoacidosis, and metabolic acidosis. While calcium imbalances can occur, they are less common and less immediately life-threatening compared to potassium imbalances. Monitoring calcium is still necessary, but it does not require the same level of immediate intervention.

Choice C reason:

Serum sodium levels are also important to monitor, especially in conditions like hypervolemia where fluid balance is disrupted. However, sodium imbalances are typically managed through fluid management and do not pose the same immediate risk as potassium imbalances in the context of ketoacidosis and metabolic acidosis. Hyponatremia or hypernatremia can cause neurological symptoms, but these are generally less acute compared to the cardiac risks associated with potassium imbalances.

Choice D reason:

Blood urea nitrogen (BUN) levels provide information about kidney function and hydration status. Elevated BUN can indicate dehydration or renal impairment, which are relevant in the context of hypervolemia and ketoacidosis. However, BUN levels do not require the same level of immediate intervention as potassium levels. Monitoring BUN is important for overall management but is not the primary concern in acute settings.

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Correct Answer is C

Explanation

Choice A reason: Synchronized Electrical Cardioversion

Synchronized electrical cardioversion is a procedure that uses a therapeutic dose of electric current to the heart at a specific moment in the cardiac cycle to restore a normal heart rhythm. It is typically used to treat certain types of arrhythmias, such as atrial fibrillation, atrial flutter, and supraventricular tachycardia. However, it is not the primary treatment for heart failure with arrhythmias. This procedure is more suited for acute management of arrhythmias rather than long-term regulation of heart rhythm in heart failure patients.

Choice B reason: Heart Catheterization with Percutaneous Intervention

Heart catheterization with percutaneous intervention, also known as percutaneous coronary intervention (PCI), involves using a catheter to open up blocked coronary arteries. This procedure is primarily used to treat coronary artery disease and improve blood flow to the heart muscle. While it can alleviate symptoms of heart disease and prevent heart attacks, it does not directly address the issue of arrhythmias associated with heart failure. Therefore, it is not the most appropriate choice for regulating heart rhythm in this context.

Choice C reason: Cardiac Resynchronization Therapy (CRT)

Cardiac resynchronization therapy (CRT) is a specialized treatment for heart failure patients who have developed arrhythmias. CRT involves implanting a device called a biventricular pacemaker, which sends electrical signals to both the left and right ventricles to help them contract in a more synchronized manner. This improves the efficiency of the heart’s pumping action and can significantly alleviate symptoms of heart failure, such as shortness of breath and fatigue. CRT is particularly beneficial for patients with moderate to severe heart failure and those whose heart chambers do not beat in unison. This makes CRT the most appropriate choice for regulating heart rhythm in a patient with worsening heart failure and arrhythmias.

Choice D reason: Echocardiogram

An echocardiogram is a diagnostic test that uses ultrasound waves to create images of the heart. It provides detailed information about the heart’s structure and function, including the size and shape of the heart chambers, the movement of the heart walls, and the function of the heart valves. While an echocardiogram is essential for diagnosing and monitoring heart conditions, it is not a treatment procedure. It does not regulate heart rhythm but rather helps in assessing the severity of heart failure and guiding treatment decisions.

A. Frequency of urination B. Change in appetite C. Benefit of medical alert bracelet D. Weight gain or loss

Correct Answer is C

Explanation

Choice A Reason:

While monitoring the frequency of urination is important for managing diabetes insipidus, it is not the most critical aspect of discharge teaching. Diabetes insipidus causes excessive urination, and patients should be aware of this symptom. However, understanding the importance of wearing a medical alert bracelet is more crucial for ensuring immediate and appropriate care in emergencies.

Choice B Reason:

Changes in appetite are not a primary concern for patients with diabetes insipidus. The condition primarily affects fluid balance and urine output rather than appetite. Therefore, this topic is less relevant compared to the need for a medical alert bracelet.

Choice C Reason:

The benefit of a medical alert bracelet is paramount for patients with diabetes insipidus. In case of an emergency, the bracelet can inform healthcare providers about the patient’s condition, ensuring they receive appropriate and timely treatment. This can be life-saving, especially if the patient is unable to communicate their medical history.

Choice D Reason:

Weight gain or loss can be a secondary concern for patients with diabetes insipidus, as the condition primarily affects fluid balance. While it is important to monitor weight to assess fluid status, it is not as critical as ensuring the patient understands the importance of wearing a medical alert bracelet.

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A nurse is providing care for a client who has hypervolemia, ketoacidosis, and metabolic acidosis. Which of the following lab values should the nurse be concerned about?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

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Explanation

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Correct Answer is C

Explanation

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