不会发生恶变的疾病有（）
A.白斑
B.慢性盘状红斑狼疮
C.扁平苔藓
D.口腔红斑
E.复发性阿弗它溃疡
参考答案：E
调节钙磷代谢的活性激素是
A．肾上腺素、胰岛素、生长素
B．1，25-二羟维生素D3、甲状腺素、降钙素
C．甲状旁腺激素、降钙素、l，25-二羟维生素D3
D．糖皮质激素、甲状腺素、降钙素
E．降钙素、去甲肾上腺素、1，25-二羟维生素D3
A child with type 1 diabetes mellitus develops diabetic ketoacidosis and receives a continuous insulin infusion. Which condition represents the greatest risk for this child ？（）
A．Hypercalcemia.
B．Hyperphosphatemia.
C．Hypokalemia.
D．Hypernatremia.
