A patient has the syndrome of inappropriate ADH secretion due to carcinoma of th

Question

A patient has the syndrome of inappropriate ADH secretion due to carcinoma of the hung This patient also drinks greater than normal amounts of water. You would expect A. Increased ADH secretion from the pituitary gland B. A large decrease in plasma osmolality C. Increased renin secretion D. An inappropriately low urine osmolality relative to plasma osmolality a. b. c. d. A patient has a goiter associated with high plasma levels of thyroid-releasing hormone (TRH) and thyroid-stimulating hormone (TSH). The heart rate is elevated. This patient most likely has which of the following?

Explanation / Answer

The syndrome of inappropriate antidiuretic hormone secretion (SIADH) is defined by the hyponatremia and hypo-osmolality resulting from inappropriate, continued secretion or action of the antidiuretic hormone arginine vasopressin (AVP) despite normal or increased plasma volume, which results in impaired water excretion

Answer is A

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