对胸腔积液患者,胸穿抽出有臭味浑浊液体,此时应对胸液做何检查以明了病因() ["需氧菌和真菌培养","涂片革兰染色和抗酸染色检菌","找寄生虫卵","查瘤细胞","厌氧菌培养"]
测定基础代谢率时不要求() ["清醒、静卧","熟睡","无精神紧张","至少禁食12h","室温保持20~25℃"]
外伤性脑水肿治疗有效时,脑室的动态变化为() ["增大→正常","增大→变小","正常→增大","变小→正常","变小→增大"]
涉及人类受试者生物医学研究的国际和国家伦理准则() ["《纽伦堡法典》","《联合国采用通用人权宣言》","《赫尔辛基宣言》","《医疗事故处理办法》"]
甲状旁腺的生理学特点下列哪项描述错误() ["甲状旁腺分泌甲状旁腺激素","主要功能是调节体液钙离子浓度","维持各种细胞(胰岛β细胞核全身神经肌肉细胞)的最佳功能","PTH的分泌受到血磷水平调节","PTH能增加肾小管对钙离子、镁离子的吸收,减少对无机磷的吸收"]
汽机启动时,由于铜、铁离子多对测定硬度有干扰,所以有时测硬度()。