Question

Which of the following substances is not normally found in filtrate?

Answer 1

Answer: blood cells and large particles.

Explanation:

Filtrate is the fluid that is filtered from the blood which pass through the nephron. When blood flows from the nephron, it enter the Bowman's capsule of the glomerulus. The tiny walls of the glomerulus can only allow the passage of small particles or is not selectively permeable to small particles such as water, ions ,sodium, potassium, nitrogenous wastes. Larger molecules and blood cells stay in the blood vessels because they cannot pass through the tiny walls

Answer 2

Answer: B

Explanation:

Blood cells are typically too large to pass through the glomerular filtration membrane. However if they do, this can be indicative of problems with the filtrate.