Which of the following statements about aldosterone is not correct? - aldosterone is stimulated by decreased plasma sodium levels and increased plasma potassium levels.- aldosterone increases the number of passive sodium channels in the luminal membrane of the distal tubule and collecting duct, thus aiding sodium reabsorption.-aldosterone is produced in the adrenal cortex.-aldosterone increases sodium reabsorption by increasing the number of na+-k+ atpase pumps in the luminal membrane of the proximal tubule.