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 Reason:
Dietary and fluid restrictions are crucial for managing heart failure. Patients with heart failure often experience fluid retention, which can exacerbate symptoms such as swelling, shortness of breath, and fatigue. By restricting fluid intake, patients can help prevent fluid overload. Additionally, dietary modifications, such as reducing sodium intake, can help manage blood pressure and reduce the risk of fluid retention. Sodium causes the body to retain water, which can increase the workload on the heart. Therefore, a low-sodium diet is often recommended for heart failure patients. These restrictions are essential to prevent the worsening of heart failure symptoms and to improve the patient’s quality of life.
Choice B Reason:
Encouraging increased mobility is generally beneficial for overall health, but it must be approached cautiously in heart failure patients. While regular physical activity can help improve cardiovascular health and overall well-being, it is important to tailor the exercise regimen to the patient’s condition. Overexertion can lead to worsening symptoms or complications. Therefore, while increased mobility can be part of the management plan, it should be done under medical supervision and is not the primary lifestyle modification for heart failure management.
Choice C Reason:
Cessation of hormonal supplements may be relevant for some patients, particularly if the supplements are contributing to fluid retention or other adverse effects. However, this is not a standard recommendation for all heart failure patients. The decision to stop hormonal supplements would depend on the individual patient’s medical history and the specific supplements they are taking. It is not a general lifestyle modification for heart failure management.
Choice D Reason:
Cessation of intravenous (IV) drug use is important for patients who may be using IV drugs, as this can lead to infections, endocarditis, and other complications that can worsen heart failure. However, this recommendation is specific to patients with a history of IV drug use and is not a general lifestyle modification for all heart failure patients. The primary focus for most heart failure patients would be on managing fluid and dietary intake.
Correct Answer is B
Explanation
Choice A reason:
“Blood flow is altered due to restricted stretching of the ventricles, impairing the heart’s ability to contract” is not accurate in the context of peripheral arterial disease (PAD). PAD primarily affects the arteries outside the heart, particularly those supplying the legs and feet. It is caused by atherosclerosis, which leads to the narrowing and hardening of the arteries, reducing blood flow to the extremities. The statement about restricted stretching of the ventricles and impaired heart contraction is more relevant to conditions like heart failure or cardiomyopathy.
Choice B reason:
“Blood flow is altered due to increased pressure in the arteries” is a more accurate description of PAD. In PAD, the buildup of fatty deposits (plaques) in the arterial walls leads to increased resistance and pressure within the arteries. This condition reduces the flow of oxygenated blood to the limbs, causing symptoms such as pain, cramping, and fatigue, especially during physical activity. Managing PAD involves lifestyle changes, medications, and sometimes surgical interventions to improve blood flow and reduce symptoms.
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