【单选题】The public is well aware that high blood cholesterol levels raise the risk of stroke caused by blood clots. But a recent report concludes that people with low blood cholesterol levels are at increased...
A.
Western diets are healthier than non-Western diets.
B.
Western diets result in higher blood cholesterol levels than do non-Western diets.
C.
High blood cholesterol levels preclude the weakening of artery walls.
D.
Cerebral hemorrhages are more dangerous than strokes caused by blood clots.
E.
People who have low blood pressure are at increased risk of cerebral hemorrhage.
【简答题】Some people can reduce their risk of stroke if they______.
【单选题】According to the passage, which of the following is not the factor determining the risk ?
A.
the sate and type of asbestos
C.
ventilation of working environment
D.
the medicine workers took
【单选题】病人男性38岁。体重80kg,从高空坠落后导致肝破裂,入院后须立即进行手术治疗。病房护士接到手术通知后首先应
【单选题】病人男性38岁。体重80kg,从高空坠落后导致肝破裂,入院后须立即进行手术治疗。住院处护理人员首先应
【单选题】比较两种疗法对乳腺癌的疗效,首先根据患者年龄将120例患者配成60对,再将每个对子内的2名患者随机分为两组分别采用两种方法治疗。该随机化方法为: