单选题 The nurse is interviewing the mother of a 7-year-old child. Which of the following symptoms reported by the mother would most lead the nurse to suspect that the child has type 1 diabetes?
A. Recent bed wetting.
B. Poor appetite.
C. Weight gain.
D. Boundless energy.

【正确答案】 A

【答案解析】Polyuria is a hallmark sign of type 1 diabetes mellitus. Parents often notice this symptom as bed wetting in a child previously toilet trained. Polyphagia is also a hallmark sign of type 1 diabetes mellitus. A parent is likely to report that a child eats excessively but seems to be losing weight. The child with type 1 diabetes mellitus may also complain of fatigue.