Problem: 69 years old male recently diagnosed with Lung cancer is experiences Syndrome of Inappropriate Antidiuretic Hormone Secretion (SIADH) related to chemotherapy. Which of the following is the primary abnormality in SIADH? Need Assignment Help? QuestionAnswer A. Increased renal sodium excretion B. Increased aldosterone secretion C. Reduced production of antidiuretic hormone (ADH) D. Excessive release of antidiuretic hormone (ADH)