正常人看______ m 以外的物体不需要调节。
《眼的视觉功能》课后拓展练习

Quiz
•
Biology
•
10th Grade
•
Easy
Pin River
Used 15+ times
FREE Resource
8 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2
4
5
6
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
用强光照射一只眼时,瞳孔会出现_______变化。
被照射眼的瞳孔缩小,另一只眼的瞳孔不变
两只眼的瞳孔都缩小
被照射眼的瞳孔放大,另一只眼的瞳孔不变
两只眼的瞳孔都放大
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
瞳孔对光反射的中枢位于_______。
脑桥
脊髓
下丘脑
中脑
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
眼视远物时,物体成像在视网膜之后,这种折光异常的类型是_____。
近视
远视
散光
老视
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
近视眼产生的原因多半是_______。
眼球前后径过短,或折光系统折光力过弱
眼球前后径过长,或折光系统折光力过强
角膜表面不呈正球面
晶状体曲率径过大
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列关于正常人眼调节的叙述,正确的是____。
眼的调节主要靠双眼球会聚来实现
视远物时需要调节才能清晰成像在视网膜上
视近物时需要调节才能清晰成像在视网膜上
近点距离越近,眼的调节力越差
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
视杆细胞的特点为______。
对光感度低,有色觉,分辨力弱
对光感度高,无色觉,分辨力弱
对光感度低,无色觉,分辨力弱
对光感度低,无色觉,分辨力强
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
视锥细胞的特点为______。
对光感度低,有色觉,分辨力弱
对光感度高,无色觉,分辨力弱
对光感度低,无色觉,分辨力弱
对光感度低,有色觉,分辨力强
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