Medicine Endocrinology a0cf2fd6 Two litres of normal saline in 4 hours will stimulate secretion of- A Atrial natriuretic peptide B IL-2 C TNF - alpha D Prostaglandins High-Yield Explanation hyperosmolality occurs and blood volume increase causing atrial distention stimulating atrial natriuretic peptide ( Harrison 17 pg 1760)