How many statements are correct:
(a) vasarecta is absent or highly reduced in cortical nephrons
(b) ammonia is less toxic as compared to urea and requires large amount of water for its elimination
(c) GFR in a healthy individual IS approximately 125 mu minute
(d) PCT also help to maintain the pH and ionic balance of the body fluid

Options

A. (1)one
B. (2)two
C. (3) three
D. (4) four

Answer

C