Diabetes mellitus results from a disorder of glucose uptake by systemic cells and can result in a number of symptoms including high levels of blood glucose and the presence of glucose in the urine . Which of the following is a reasonable explanation for the presence of glucose in the urine?
A. The reabsorption capacity of the kidney for glucose is exceeded.
B. A lack of sodium in the filtrate blocks the function of the Na+/glucose symport protein.
C. High levels of glucose interfere with ADH function.
D. The high levels of glucose induce a "dehydrated" state that promotes production of a large amount of dilute urine.
E. None of the choices given are a logical explanation for this observation.
A. The reabsorption capacity of the kidney for glucose is exceeded.
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