What is cetonuria?

I- Cetonuria is always associated with glucosuria.
II- Cetonuria can be present with or without glucosuria.
III- Cetonuria is a sign of diabetes cetoacidótica.
IV- Cetonuria is caused by the presence of red blood cells in the urine.
a) I and III are correct.
b) II and IV are correct.
c) II and III are correct.
d) I and IV are correct.