头发的生长期() ["约3年","约3月","约3周","约3天","约2月"]
不属于单纯局部振动的操作是() ["拖拉机驾驶","电锯伐木","建筑灌浆捣固","风钻凿岩","风铲清砂"]
右心功能不全的患者,较早出现的症状是() ["心悸胸闷","劳力性呼吸困难","颈静脉曲张","腹胀、食欲下降","下肢凹陷性水肿"]
腮腺隙内包括下列哪些结构()。 ["腮腺","腮腺导管","颞浅动脉","面神经","面后静脉"]
有关烧伤创面脓毒症的概念以下哪一项是错误的() ["创面有细菌感染,并向痂下临近的非烧伤组织侵入","痂下组织细菌量计数超过105CFU/g","血培养多为阴性","创面可以没有细菌感染,但痂下组织细菌量计数超过105CFU/g","细菌毒素引起全身感染中毒症状"]
试述妄想与超价观念的鉴别要点。