ATI Alterations in Endocrine Function Questions and Answers | Latest Version | 2025/2026 | Correct & Verified

ATI Alterations in Endocrine Function Questions and Answers | Latest Version | 2025/2026 | Correct & Verified What is the primary cause of diabetic ketoacidosis in type 1 diabetes? Insulin deficiency leading to hyperglycemia and ketone formation How does hypothyroidism affect metabolism? It decreases metabolic rate, causing fatigue and weight gain What hormone imbalance causes the symptoms of Addison’s disease? Deficiency of cortisol and aldosterone What effect does excess cortisol have on blood sugar levels? It increases blood glucose by promoting gluconeogenesis Why does hyperparathyroidism lead to bone demineralization? Because excessive parathyroid hormone increases calcium release from bones 2 What causes the polyuria seen in diabetes insipidus? Deficiency of antidiuretic hormone (ADH) leading to inability to concentrate urine How does Graves’ disease cause hyperthyroidism? Autoimmune stimulation of the thyroid gland causing excessive hormone production What electrolyte imbalance is commonly seen in Addison’s disease? Hyponatremia and hyperkalemia due to aldosterone deficiency Why do clients with Cushing’s syndrome have a buffalo hump? Fat redistribution caused by chronic excess cortisol What is the physiological role of aldosterone in the body? To regulate sodium and potassium balance by promoting sodium retention and potassium excretion How does untreated hypothyroidism affect cardiac function? It causes bradycardia and decreased cardiac output due to reduced metabolism 3 What are common symptoms of pheochromocytoma? Paroxysmal hypertension, headaches, palpitations, and sweating caused by excess catecholamines Why is levothyroxine therapy lifelong for most hypothyroid patients? Because the thyroid gland cannot regenerate normal hormone production What causes the weight loss and heat intolerance in hyperthyroidism? Increased metabolism and excess thyroid hormones What laboratory test confirms diagnosis of diabetes mellitus? Hemoglobin A1c showing chronic elevated blood glucose levels Why is hyperkalemia a concern in Addison’s disease? Because aldosterone deficiency leads to decreased potassium excretion by kidneys How does insulin deficiency affect fat metabolism?