A nurse is monitoring a middle-aged male client in the intensive care unit.
The Correct Answer is []
Rationale for Correct Choices
- Cushing's Syndrome: The client exhibits hallmark features of Cushing’s syndrome, including central obesity, facial swelling, fragile skin with bruising, and hypertension. Laboratory findings of elevated cortisol with normal ACTH suggest an ACTH-independent hypercortisolism, consistent with this condition.
- Administer antihypertensive medication: Blood pressure remains elevated despite prior medication, increasing the risk of cardiovascular complications. Administering antihypertensives helps manage hypertension and reduce end-organ damage while treating the underlying condition.
- Provide nutritional counselling: Clients with Cushing’s syndrome are at risk for obesity, hyperglycemia, and dyslipidemia. Nutritional counselling helps address weight management and reduces cardiovascular and metabolic complications.
- Blood pressure: Continuous monitoring of blood pressure is essential to evaluate the effectiveness of antihypertensive therapy and to prevent complications related to sustained hypertension.
- Cortisol levels: Monitoring cortisol levels assesses disease activity and response to therapy, including medications or surgical interventions aimed at reducing hypercortisolism.
Rationale for Incorrect Choices
- Hypothyroidism: Symptoms of hypothyroidism usually include fatigue, weight gain, cold intolerance, and bradycardia. This client has hypertension, central obesity, and elevated cortisol, which are not consistent with hypothyroidism.
- Diabetes Mellitus: While the client has mildly elevated blood glucose, hyperglycemia is secondary to cortisol excess rather than primary diabetes mellitus. The overall clinical picture points to Cushing’s syndrome.
- Addison’s Disease: Addison’s disease typically presents with hypotension, weight loss, hyperpigmentation, and low cortisol, which contrasts with this client’s elevated cortisol and hypertension.
- Encourage regular physical activity: While generally beneficial, the client’s acute presentation of hypertension and fatigue may limit the safety and feasibility of exercise as an immediate intervention.
- Restrict fluid intake: There is no evidence of fluid overload or edema severe enough to require fluid restriction at this stage. Fluid restriction is not a primary treatment for Cushing’s syndrome.
- Monitor blood glucose levels: Although hyperglycemia can occur secondary to cortisol excess in Cushing’s syndrome, the client’s current blood glucose levels are only mildly elevated and not the primary indicator of disease progression.
- Respiratory rate: The client’s respiratory rate is slightly elevated but not clinically significant in this context. Respiratory rate does not directly reflect Cushing’s syndrome progression or response to treatment, making it a lower-priority parameter for monitoring.
- Heart rate: The client’s heart rate is within normal limits and not immediately indicative of disease progression or treatment efficacy, making it a lower-priority parameter compared with blood pressure and cortisol levels.
- Oxygen saturation: The client maintains adequate oxygen saturation, so this is not a priority parameter for monitoring in the context of Cushing’s syndrome.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Rationale:
A. "Your average blood sugar is high": Hemoglobin A1C reflects the average blood glucose levels over the past 2–3 months. A value of 9% indicates that the client’s overall blood sugar has been consistently above the recommended target, providing a clear explanation of long-term glycemic control.
B. "Your blood sugar is too high after meals": While postprandial glucose contributes to overall A1C, the test reflects an average over time rather than isolated after-meal spikes. Focusing only on post-meal levels may misrepresent the broader picture of glycemic control.
C. "Your blood sugar is very unstable": A1C indicates long-term average glucose rather than fluctuations or variability. Lab values alone cannot determine whether blood sugar is unstable or fluctuating dramatically throughout the day.
D. "You have many dangerously low blood sugar levels": Hypoglycemia is not indicated by an elevated A1C. A 9% value reflects hyperglycemia over time, not frequent low blood sugar episodes.
Correct Answer is D
Explanation
Rationale:
A. Avoid eating for 2 hr before exercise: Skipping food increases the risk of hypoglycemia during or after exercise, especially when insulin is active. A pre-exercise snack is often recommended if glucose levels are low or activity is prolonged.
B. Perform vigorous exercise when blood glucose is less than 100 mg/dL: Exercising with glucose below 100 mg/dL raises the risk of hypoglycemia. Clients should eat a carbohydrate snack before exercise if their glucose is under 100 mg/dL to maintain safe levels during activity.
C. Examine your feet weekly: Foot care is essential for diabetes management, but feet should be checked daily, not weekly. Daily inspection allows early detection of sores, blisters, or infections, which can prevent severe complications.
D. Do not exercise if ketones are present in your urine: The presence of ketones indicates insulin deficiency and potential diabetic ketoacidosis. Exercise in this state worsens hyperglycemia and ketosis, making it unsafe. Clients should avoid activity until glucose and ketone levels are controlled.
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