The reabsorption of salts from the glomerular filtrate is regulated by . . . . . . .

Select the correct option with respect to the following statements:
$(a)$ Angiotensin $II$ constricts arterioles in the kidney to reduce blood flow and decreases blood pressure when blood flow to the afferent arteriole decreases.
$(b)$ Angiotensin $II$ stimulates the adrenal cortex to release aldosterone for more absorption of $Na^+$ and $Cl^-$ ions in the $DCT$.
$(c)$ Blood osmolarity varies with the secretion of aldosterone and $ANP$.

When a person is suffering from poor renal reabsorption,which of the following will not help in the maintenance of blood volume?

Which hormone is produced with the help of Angiotensin-$II$?

Which one of the following statements is correct with respect to kidney function regulation?

Which of the following factors increases the reabsorption of sodium in the $DCT$?