
【名词&注释】
临床表现(clinical manifestation)、专业化(specialization)、饮食习惯、单纯性肥胖(simple obesity)、知识点(knowledge point)、合理安排(reasonable arrangement)、玩游戏(playing game)、看电视(watch television)、参加体育锻炼(their pe training)
[单选题]当血钙浓度低于何值时可引起手足搐搦
A. 1.5~1.63mmol/L(6~6.5mg/dl)
B. 1.63~1.75mmol/L(6.5~7mg/dl)
C. 1.75~1.88mmol/L(7~7.5mg/dl)
D. 1.88~2.0mmol/L(7.5~8mg/dl)
E. 2.0~2.13mmol/L(8~8.5mg/dl)