The Eye, Part 1

Please answer the following five multiple choice questions.


1) Which cells actually capture the light energy within the eye?  
     A) Retinal pigment epithelial cells  
     B) Photoreceptors  
     C) Bipolar cells  
     D) Ganglion cells  



All humans have a blind spot in their eye because of the presence of the  
     A) Fovea  
     B) Macula  
     C) Optic disk  
     D) Conjunctiva  


3) Correction of myopia could include  
     A) Putting a concave lens in the front of the eye  
     B) Putting a convex lenx in the front of the eye  
     C) Increasing the curvature of the cornea with laser surgery  
     D) Allowing the pupil to dilate  


4) The ability of pupils to change size in response to different lighting conditions is called  
     A) Accomodation  
     B) Refraction  
     C) Reflection
     D) Pupillary light reflex  


5) What is the flow of information in the retina?  
      A) Bipolar cell, photoreceptor, ganglion cell  
     B) Bipolar cell, ganglion cell, photoreceptor  
     C) Ganglion cell, bipolar cell, photoreceptor  
     D) Photoreceptor, bipolar cell, ganglion cell