慢性肺心病心衰时,以下哪项是右心扩大的体征() ["肝大","双下肢水肿","P>A","双侧胸腔积液","剑突下抬举样搏动"]
患者,女,35岁,晨起后出现左眼闭合不全、口角歪斜等症状,意识清醒,运动自如,至医院诊治早期治疗手段为()。 ["A.高压氧治疗","物理疗法","糖皮质激素","抗病毒药物","面神经减压","面神经移植"]
鱼体颜色来源于()的色素细胞。 ["表皮","真皮","皮下层组织"]
干性支气管扩张的主要临床表现是() ["每年冬季,春季、咳嗽、咳痰","长期反复咯血","咳嗽、低热、乏力","高热、咳嗽、大量脓臭痰","咳嗽、喘息、活动后呼吸困难"]
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