A nurse is caring for a client who has diabetic ketoacidosis (DK
Metabolic alkalosis
Metabolic acidosis
Respiratory alkalosis
Respiratory acidosis
The Correct Answer is B
Choice A reason: Metabolic alkalosis is a condition characterized by an elevated pH in body tissues, typically due to an excess of bicarbonate or a loss of hydrogen ions. This condition is not associated with Kussmaul breathing. Kussmaul breathing is a deep and labored breathing pattern often seen in patients with metabolic acidosis, not alkalosis. In metabolic alkalosis, the body does not need to expel excess acid through rapid breathing, so Kussmaul respirations are not observed.
Choice B reason: Metabolic acidosis is a condition where there is an excess of acid in the body due to the accumulation of acid or the loss of bicarbonate. This condition is commonly seen in diabetic ketoacidosis (DKA), where the body produces high levels of ketones, leading to acidosis. Kussmaul breathing is a compensatory mechanism in metabolic acidosis, where the body attempts to reduce the acid level by expelling carbon dioxide through rapid, deep breaths. This type of breathing helps to lower the blood’s acidity by reducing the concentration of carbon dioxide, which is an acid.
Choice C reason: Respiratory alkalosis is a condition where there is a decrease in carbon dioxide levels in the blood due to excessive breathing or hyperventilation. This condition leads to an increase in blood pH, making it more alkaline. Kussmaul breathing is not associated with respiratory alkalosis because it is a response to metabolic acidosis, not a condition where the body is already expelling too much carbon dioxide.
Choice D reason: Respiratory acidosis is a condition where there is an excess of carbon dioxide in the blood due to inadequate respiration. This leads to a decrease in blood pH, making it more acidic. While respiratory acidosis involves an acidic environment, Kussmaul breathing is specifically a response to metabolic acidosis, not respiratory acidosis. In respiratory acidosis, the body would not use Kussmaul respirations as a compensatory mechanism.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A: Dietary and Fluid Restrictions
Dietary and fluid restrictions are crucial for patients with heart failure. These restrictions help manage symptoms and prevent complications. Limiting sodium intake can reduce fluid retention, which decreases the workload on the heart. Fluid restrictions help prevent fluid overload, which can lead to worsening heart failure symptoms. Patients are often advised to monitor their weight daily to detect fluid retention early. This choice is essential for managing heart failure effectively.
Choice B: Encouraging Increased Mobility
While physical activity is generally beneficial for overall health, it must be approached cautiously in patients with heart failure. Encouraging increased mobility without proper medical guidance can lead to overexertion and exacerbate heart failure symptoms. Exercise programs for heart failure patients should be tailored and supervised by healthcare professionals to ensure safety and effectiveness. Therefore, this choice is not as immediately critical as dietary and fluid restrictions.
Choice C: Cessation of Hormonal Supplements
Hormonal supplements can have various effects on the cardiovascular system, but their cessation is not a standard recommendation for all heart failure patients. The impact of hormonal supplements depends on the specific type and the patient’s overall health condition. This choice is less relevant compared to dietary and fluid restrictions, which have a direct and significant impact on heart failure management.
Choice D: Cessation of Intravenous (IV) Drug Use
Cessation of intravenous drug use is important for overall health and preventing infections, but it is not specific to heart failure management. While IV drug use can lead to complications that may affect the heart, it is not a primary lifestyle modification recommended for heart failure patients. The focus should be on managing fluid balance and dietary intake
Correct Answer is A
Explanation
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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