Substances Larger Than ________ are Normally Not Allowed to Pass

Question

Substances larger than ________ are normally not allowed to pass through the filtration membrane.
A) sodium ions
B) glucose
C) albumin
D) amino acids
E) urea

Accepted Answer

Albumin is a large protein molecule that is normally not allowed to pass through the filtration membrane in the kidneys, whereas smaller molecules like sodium ions, glucose, amino acids, and urea are able to pass through.