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【单选题】
患者,男,25岁。4小时前因颅脑外伤入院。入院后该患者持续昏迷,意识障碍。目前该患者主要的护理问题是A.
营养失调：低于机体需要量
B.
潜在并发症：颅内压增高
C.
皮肤完整性受损
D.
有失用综合征的危险
E.
清理呼吸道无效
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知识点：
皮皮学刷刷变学霸
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【简答题】细胞表面黏着因子(cell adl]esion molecules，CAMS)
【单选题】Gernerally,animals cannot digest the glycosidic linkages between the glucose molecules in cellulose.How then do cows get enough nutrients from eating grass?
A.
Microorganisms in their digestive tracts hydrolyze the cellulose to individual glucose units.
B.
The flat teeth and strong stomach of herbivores break the cellulose fibers so that the cows get enough nutrition from the cell contents.
C.
Cows and other herbivores are exceptions and make some cellulose-digesting enzymes.
D.
They have to eat a lot of it.