下列哪项不是深Ⅱ度烧伤创面的特点()
A.创面可有或无水疱
B. 创面痛觉迟钝
C.可见粗大树枝状栓塞血管
D.如无感染,约3~4周愈合
E.愈合后多遗有瘢痕
参考答案:C
明胶液化试验结果观察正确的是()
A.35℃培养24h后培养基呈液态为阴性
B.35℃培养24h后培养基呈液态为阳性
C.培养后置4℃培养基立即由液态变固态为阴性
D.培养后置4℃冰箱,30min不发生凝固为阴性
E.培养后置4℃冰箱,30min不发生凝固为阳性
A person who observes an individual fall overboard from an OSV should().
A.immediately jump into the water to assist the individual
B.call for help and keep the individual in sight
C.run to the radio room to send an emergency message
D.go to the control room for the distress flares