What is the name of the condition of having measurable amounts of sugar in urine?

What is the normal value for sugar in urine?

What substance in urine creates ketonuria?

What is hematuria?

There are about 200 grams of protein in the blood plasma and normally none in urine. What mechanism keeps protein out of the urine, and what structure might be damaged if protein is found in significant amounts in urine?

Glomerular walls normally do not allow for blood protein to pass into the nephron