易化扩散中栽体中介产生饱和现象是由于() ["跨膜梯度增高","载体数量减少","能量不够","载体数量所致的转运极限","其他原因"]
颈部良性肿瘤不包括() ["脂肪瘤","血管瘤","非霍奇金淋巴瘤","纤维瘤","神经鞘膜瘤"]
Horner征阳性提示() ["C5、6神经节前损伤","C5、6神经节后损伤","C7神经损伤","C8、T1神经节前损伤","C8、T1神经节后损伤"]
男性36岁,发热20余天,T39℃左右,伴腹胀、乏力于8月15日就诊。体检:肝不大,脾肋下可及。血白细胞3.6×109/L,中性粒细胞60%,杆状细胞1%,淋巴细胞39%。为确诊应做的检查为() ["血培养","PPD试验","便培养","胸片","肥达反应"]
男性,60岁。突然觉头痛、头晕伴恶心、呕吐,测血压为240/140mmHg,该病例的急救措施为() ["立即应用镇静药物","立即应用止吐药物","口服降压药","硝普钠静滴","立即应用抑制胃酸分泌药物"]
何谓亨廷顿病?