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Which statement is true regarding urodilatin? a. Urodilatin inhibits sodium chloride and water reabsorption in the medullary part of the collecting duct. b. It inhibits antidiuretic hormone (ADH) to prevent water reabsorption in the medullary part of the collecting duct. c. Urodilatin is stimulated by a rise in blood pressure and an increase in extracellular volume. d. It is stimulated by a fall in blood pressure and a decrease in extracellular volume