ATI: Endocrine Learning Systems Questions and Answers | Latest version | 2025/2026 | Correct & Verified

ATI: Endocrine Learning Systems Questions and Answers | Latest version | 2025/2026 | Correct & Verified What is the primary function of the hormone calcitonin? A. Increase blood calcium levels B. Stimulate insulin release C. Decrease blood calcium levels D. Promote sodium retention Which symptom would most likely indicate hypoglycemia? A. Excessive thirst B. Sweating and shakiness C. Dry mouth D. Frequent urination A client with hyperparathyroidism is at risk for: A. Hypocalcemia B. Hypokalemia 2 C. Hypercalcemia D. Hyponatremia What is the most common cause of secondary diabetes mellitus? A. Insulin resistance from obesity B. Chronic corticosteroid use C. Autoimmune destruction of beta cells D. Excess growth hormone Which hormone is secreted in response to low blood pressure and low sodium levels? A. Insulin B. Thyroid hormone C. Aldosterone D. Parathyroid hormone What condition results from excessive secretion of antidiuretic hormone (ADH)? A. Diabetes insipidus B. Syndrome of inappropriate antidiuretic hormone secretion (SIADH) 3 C. Addison’s disease D. Hyperthyroidism A patient presents with weight gain, moon face, and purple striae. What condition is most likely? A. Hypothyroidism B. Addison’s disease C. Cushing’s syndrome D. Diabetes mellitus Which electrolyte imbalance should a nurse watch for in a patient with Addison’s disease? A. Hypokalemia B. Hyperkalemia C. Hypercalcemia D. Hyponatremia What effect does glucagon have on the liver? A. Increases glycogen storage B. Stimulates glycogen breakdown to release glucose 4 C. Decreases glucose production D. Inhibits gluconeogenesis Which lab value would be elevated in a patient with untreated hyperthyroidism? A. Low T3 and T4 B. High TSH C. High T3 and T4 D. Low calcium