熟悉各种传染病潜伏期的重要意义在于（）。
A.有助于传染病诊断
B.估计传染病严重性
C.预测疫情
D.确定医学观察期限
E.推测疾病预后
参考答案：D
Directions: The question below is followed by six choices numbered 260-265. If a choice is correct, mark T in the space provided. If a choice is not correct, mark F. Blacken one circle on your answer sheet for each number.
A client is diagnosed with gout. Which foods should the nurse instruct the client to avoid ？
Cod.（）
碘量法测定水中总氯时所用的缓冲溶液为（）盐，PH值为（）
A.乙酸，4
B.磷酸，7
C.乙酸，5
