第21题: [单项选择]The latch of a safety hook（）. A. increases the strength of the hook B. prevents the sling ring from coming out of the hook if the strain is abruptly eased C. prevents the sling ring from coming out of the hook if there is a strain on the sling ring D. All of the above 参考答案:B
第34题: [单项选择]患者皮肤有青紫点，量多，时发时止。手足烦热，颧红咽干，午后潮热，盗汗，月经过多，色红而稠，伴齿衄。舌红少苔，脉细数。证型是（） A. 阴虚火旺 B. 脾不摄血 C. 血热伤络 D. 肝肾阴虚 E. 气滞血瘀 参考答案:A 答案解析:阴虚则火旺，火旺更易伤阴，虚火伤及脉络，故见皮肤或他处出血。水亏不能济火，心火扰动，故心烦。火热逼津液外泄则盗汗，阴虚火旺，故午后潮热。手足烦热，颧红咽干，舌红少苔，脉细数，为阴虚火旺之象。故本题选A
