<prompt> Hormone necessary for water and sodium balanceProgesteroneCortisolEstrogenAldosterone  <response>: Ans: d AldosteroneRef: Vasudevan Sreekumari, 6th edi., Pg. 357Aldosterone is secreted by zona glomerulosa of the adrenal cortex. It regulates sodium-potasium exchange and sodium-hydrogen exchange at the renal tubules.The net effect is the sodium retention 