皮皮学，免费搜题
登录
搜题
【单选题】
有关呕血和黑粪的描述,不正确的一项是()A.
呕血呈咖啡色是血液在胃内经胃酸形成酸化正铁血红蛋白所致。
B.
黑粪呈柏油样是由于血红蛋白中铁与硫化物作用形成硫化铁所致
C.
有黑粪不一定有呕血
D.
有呕血常伴黑粪
E.
幽门以上出血表现为呕血,幽门以下出血视为黑粪
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】There is no way to ventilate the direct burning of biomass as fuel without diffusing carbon dioxide and other greenhouse gases into the atmosphere.
A.
表达感情；扩散
B.
表达感情；传播
C.
使通风；传播
D.
使通风；扩散
【单选题】为卧床病人进行床上擦浴时,错误的操作是
A.
依次擦洗眼、额、面颊、鼻翼、人中、耳后、下颌直至颈部
B.
遮挡病人，保护病人隐私
C.
将热水倒入脸盆约2／3满
D.
为外伤病人脱衣时先脱患侧后脱健侧
E.
擦浴后骨突处用50％乙醇做按摩
【单选题】There is no way to ventilate the direct burning of biomass as fuel without diffusing carbon dioxide and other greenhouse gases into the atmosphere.
A.
使通风；传播
B.
表达感情；传播
C.
使通风；扩散
D.
表达感情；扩散
【单选题】There is no way to ventilate the direct burning of biomass as fuel without diffusing carbon dioxide and other greenhouse gases into the atmosphere.
A.
使通风；扩散
B.
使通风；传播
C.
表达感情；传播
D.
表达感情；扩散
【单选题】In gas exchange, carbon dioxide and oxygen move in and out of the alveoli through . Which of the following is true about this process?
A.
Gas exchange stimulates the production of ATP
B.
Carbon dioxide is largely carried by the macrophages.
C.
Oxygen typically gets trapped in the alveoli.
D.
There is no expenditure of energy.
相关题目：