为冠心病游客进行人工呼吸时,频率要尽可能高。( )
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旅途中游客冠心病发作时,要让患病游客停止一切活动,立即仰卧。( )
A. 对
B. 错
_____ is an enzyme needed for calcification of bone.
A. alkaline phosphatase
B. amylase
C. lipase
D. aminopherase
_____ can be used to reduce the threat of osteomyelitis.
A. antibiotics
B. anti-inflammatory drugs
C. antigen
D. antigoagulation
Pott's disease refers to tuberculosis of _____.
A. spine
B. thorax
C. sternum
D. femur
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