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【判断题】

脑干网状结构是脑干中央被盖部所有神经元和纤维混杂的区域。

A.
正确
B.
错误
举报
参考答案:
参考解析:
.
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【单选题】In a purely biological sense, fear begins with the body’’s system for reacting to things that can harm us—the so-called fight-or-flight response. "An animal that can’’t detect danger can’’t stay alive...

A.
reactions of humans and animals to dangerous situations are often unpredictable
B.
memories of significant events enable people to control fear and distress
C.
people’’s unpleasant memories are derived from their feelings of fear
D.
the amygdala plays a vital part in human and animal responses to potential danger

【多选题】下运动神经元病变时见到的体征是

A.
Babinski征阳性
B.
肌张力降低
C.
肌张力升高
D.
腱反射消失
E.
腱反射亢进

【单选题】脑干网状结构下行系统的有关概念描述,错误的是

A.
有易化区和抑制区;
B.
可调节肌紧张;
C.
通过网状脊髓束下传;
D.
抑制区占优势 ;
E.
是锥体外系统的重要组成部分;

【单选题】神经元尼氏体在电镜下为()

A.
溶酶体
B.
粗面内质网和游离核糖体
C.
线粒体
D.
高尔基复合体