下列属于医院内感染的是() ["外源性感染","内源性感染","交叉感染","医源性感染","以上都是"]
脑栓塞患者明确诊断的检查是()。 ["头颅X线平片","头颅CT","脑血管造影","B超","脑电图"]
男,75岁,排尿困难10年,一直按前列腺增生治疗。近2周来出现终末血尿。直肠指诊:前列腺有不规则硬结节,高度怀疑前列腺癌。为明确诊断,需做下列哪项检查() ["血清前列腺特异性抗原(PSA.检查","经直肠前列腺超声检查","膀胱镜检查","经会阴前列腺穿刺活检","经腹超声引导下前列腺活检"]
脑栓塞患者应常规检查的是()。 ["头颅X线平片","头颅CT","脑血管造影","B超","脑电图"]
良性骨肿瘤的叙述正确的是() ["呈浸润性骨质破坏","呈膨胀性骨质破坏","病变区域正常骨界限模糊","常有软组织肿块","出现不同形式的骨膜增生"]
Bell征()扳机点()