Which of the following statements about the filtrate formed in the nephron is true?
A. Water is actively transported across the walls of the nephron
B. Blood plasma and filtrate are identical in composition
C. The filtrate moves from the Bowmans capsule directly to the bladder for storage before excretion
D. The last segment of the nephron permits active secretion of certain wastes such as nicotine
B. Blood plasma and filtrate are identical in composition (except that the filtrate has no (or very few) proteins and do not forget that this is not true for the urine)