题目内容:
当总血钙低于哪个数值时即可引起手足搐搦发作( )
A.1.5~1.63mmol/L(6~6.5mg/dl) B.1.63~1.75mmol/L(6.5~7mg/dl)
C.1.175~1.88mmol/L(7~7.5mg/dl)
D.1.88~2.0mmol/L(7.5~8mg/dl)
E.2.O~2.13mmol/L(8~8.5mg/dl)
参考答案:
答案解析: