Which organ system processes food for use by the body and removes waste from undigested food?
A) urinary system
B) lymphatic
C) respiratory system
D) digestive system
E) lymphatic system

Ade is the answer I did the test

You can write out the letter, but it should specify: the patient hasn't been controlling their diabetes bc glucose and ketones spilling into the urine. also, the positive nitrite could indicate a u.t.i. infections can cause hyperglycemia in a diabetic. also the reverse, uncontrolled blood sugar can lead to glycosuria, which is a good nidus for bacteria to grow from sugar in urine, leading to a uti.