Final answer:
A diabetic patient may experience hyperactivity and dehydration. Diabetes leads to high blood glucose levels, which cause excessive urination and thirst.
Step-by-step explanation:
A diabetic patient may experience two problems: hyperactivity and dehydration. However, the provided options (a, b, c, d) are incorrect. The correct answer is a. Hyperactivity and b. Dehydration.
Diabetes mellitus is a disease caused by problems with the pancreatic hormone insulin, which leads to high blood glucose levels. Excessive urination and thirst are common symptoms of diabetes. The elevated levels of glucose in the blood draw water into the urine, resulting in dehydration and increased thirst.