Polyuria, polydipsia, and polyphagia are three major symptoms of diabetes. Polyuria is the need to urinate frequently, polydipsia is an increased thirst and fluid intake, and polyphagia is an increased appetite. Although it is common for multiple symptoms to appear together, some diabetics present none of the three symptoms. Presenting any one or a combination of these symptoms is an example of an event, as is presenting no symptoms. What is the complement of the event that a diabetic person presents all three symptoms?
A. A diabetic person presents at most one symptom.
B. A diabetic person presents at most two symptoms.
C. A diabetic person presents all three symptoms.
D. A diabetic person presents at least one symptom.
E. A diabetic person presents at least two symptoms.

This particular event is hyperglycemia. Hyperglycemia is the term used for high blood glucose, this is happens when the body is insulin deficient of when the body is unable to utilize the insulin efficiently. What causes hyperglycemia in diabetics is:

Type 1 diabetics- the patient did not administer enough insulin
Type 2 diabetic- the insulin is not as functional as it should be.

In addition to polyuria and polydipsia, other symptoms include, high levels of sugar in urine and high levels of sugar in the blood.