上消化道出血的特征性表现为()
A.呕血与黑便
B.氮质血症
C.发热
D.失血性周围循环衰竭
E.贫血
A.全体老年群体
B.年满65周岁且具备生活自理能力的老年群体
C.年满80周岁且具备生活自理能力的老年群体
D.失能、失智等生活自理困难的老年人
该病人左房失代偿期最严重的表现是()。
A.咯血
B.端坐呼吸
C.周围器官栓塞
D.快速心房颤动
E.急性肺水肿
A.To find out if the loss of words is connected with age.
B.To find out the relationship between age and dementia (失智症).
C.To find out the link between memory and education background.
D.To find out any solution to dementia.