Which of the Following Describes How Antidiuretic Hormone (ADH) and the Renin-Angiotensin-Aldosterone
Which of the following describes how antidiuretic hormone (ADH) and the renin-angiotensin-aldosterone system (RAAS) work together to maintaining osmoregulatory homeostasis?
A) ADH regulates the osmolarity of the blood by altering renal reabsorption of water, and the RAAS maintains the osmolarity of the blood by stimulating both Na+ and water reabsorption.
B) ADH and the RAAS work antagonistically; ADH stimulates water reabsorption during dehydration, and the RAAS causes increased excretion of water when it is in excess in body fluids.
C) Both stimulate the adrenal gland to secrete aldosterone, which increases both blood volume and pressure via its receptors in the urinary bladder.
D) ADH and the RAAS combine at the receptor sites of proximal tubule cells, where reabsorption of essential nutrients takes place.
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