儿童语言发育中能听懂自己名字的年龄是() ["A.3~4个月","4~5个月","5~6个月","7~8个月","9~10个月"]
男性,49岁,喉异物感半年余,近1个月发现颈部多发硬性包块,CT示喉腔内肿块,向前通过前联合侵犯对侧,向外侵及喉旁间隙,颈鞘周围可见多发结节影。需要与哪项疾病鉴别() ["A.喉癌","转移瘤","乳头状瘤","炎症","鼻咽癌"]
左心功能不全时出现呼吸困难的原因主要是() ["体循环淤血","肺淤血","腹水","肺小动脉压力降低","膈肌活动障碍"]
左心衰竭常表现为() ["侧卧时呼吸困难减轻","喜欢平卧","肺底有干啰音","常伴瘀血性肝肿大","常采取端坐呼吸体位"]
男性,49岁,喉异物感半年余,近1个月发现颈部多发硬性包块,CT示喉腔内肿块,向前通过前联合侵犯对侧,向外侵及喉旁间隙,颈鞘周围可见多发结节影。诊断() ["A.喉癌","B.转移瘤","C.乳头状瘤","D.炎症","E.鼻咽癌"]
急性硬脑膜下血肿的CT表现特征是急性硬脑膜外血肿的CT表现特征是急性脑内血肿的CT表现特征是慢性硬脑膜下血肿的CT表现特征是