The Retina:
Which of these statements are true?
a) The retina is a thin layer at the back of the eye that is located near the optic
nerve
b) Light is received that the lens has focused; the retina converts this light into
neural signals and this information is sent to the brain for visual recognition
c) There are three types of cones but only one type of rod
d) All the above
What are the light-sensitive cells called that light is processed through?
a) Proton receptors
b) Light receptors
c) Photoreceptors
d) Chromo-receptors
What does the term “achromatic” mean in relation to rods?
a) Three types of pigment
b) One type of pigment
c) More than two types of pigment
d) Multiple pigments
What does the term “chromatic” mean in relation to cones?
a) Three types of pigment
b) One type of pigment
c) More than two types of pigment
d) Multiple pigments
Identify the correct responses below that are true for rods:-
a) Low spatial acuity
b) High spatial acuity
c) High amplification
d) Low amplification
What else is true for rods?
a) Less photopigment
b) More photopigment
c) Selective
d) Slow response