引起血钙降低的常见原因不包括() ["低白蛋白血症","甲状旁腺机能亢进","慢性肾衰","产后低血钙","急性胰腺炎"]
实验室检查,可以提示为红细胞相对性增多变化特点的是() ["PCV升高,血浆总蛋白浓度中度升高","PCV升高,血浆总蛋白浓度正常","PCV显著升高,血浆总蛋白浓度中度降低","PCV降低,血浆总蛋白浓度中度升高","PCV降低,血浆总蛋白浓度中度正常"]
马的鼻面部和口唇明显肿胀,面部呈特征性的河马头样外观的疾病是() ["马鼻疽","马流行性淋巴管炎","马传染性脑脊髓炎","马叶斑病","马传染性脓疱口炎"]
腹壁触诊有波动感,主要见于() ["腹膜炎","腹腔积液","胃肠炎","破伤风","热性病"]
蟾酥、樟脑共同的功效是()。 ["生肌","辟秽","蚀疮","开窍","消肿"]
赏析《龟虽寿》艺术特征。