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【单选题】

热敏神经元分布最多的是()

A.
大脑皮质
B.
视前区下丘脑
C.
下丘脑视交叉上核
D.
下丘脑及延髓
E.
延髓
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参考解析:
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【单选题】符合我国自然资源分布特点的是[ ]

A.
水资源——华北多,西南少
B.
草地——东南多,西北少
C.
林地——西北多,东北少
D.
耕地——东部多,西部少

【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】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