Problem
A. Blood contains glucose, phosphates, and chloride molecules, whereas urine normally contains only phosphate and chloride ions. What does this indicate about the functions of the kidney?
B. People with diabetes are unable to metabolize sugar. Excess glucose is often found in their blood. If a person with untreated diabetes had their urine tested with the reagent used in this lab activity, what color would you predict or hypothesize that the urine sample will turn?
C. Why is it necessary to test a urine sample that does not contain chemical additices in each of these analyses?
D. What do we call this sample? Which sample of those tested apparently does not contain any additives?
E. The contents of a person's urine can change throughout the day. Explain why you think this may occur?
F. Describe the components of normal urine.