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Path Of Light Through Eye
Test Description: This quiz is designed for a high school Human Anatomy and Physiology elective course for students in grades 10-12 to review the pathway of light through the human eye.
Instructions: Answer all questions to get your test result.
1) The bending of light rays is known as
A
reflection
B
accommodation
C
refraction
D
absorption
2) Light rays bend as they pass through each of the following structures EXCEPT
A
pupil
B
aqueous humor
C
cornea
D
lens
3) Which of the following structures is NOT involved in adjusting the focus of an image on the retina?
A
optic nerve
B
ciliary body
C
lens
D
suspensory ligament
4) A "real image" formed on the retina is
A
reversed from left to right and upside down
B
neither reversed from left to right or upside down
C
upside down
D
reversed from left to right
5) Nearsightedness, seeing near objects clearly and distant objects blurry is also known as
A
astigmatism
B
hyperopia
C
myopia
D
emmetropia
6) Farsightedness, seeing distant objects clearly and near objects blurry is also known as
A
hyperopia
B
emmetropia
C
astigmatism
D
myopia
7) This is caused by unequal curvature in different parts of the cornea or lens
A
astigmatism
B
emmetropia
C
myopia
D
hyperopia
8) This problem is often caused by an eyeball that is too short or a lazy lens
A
hyperopia
B
emmetropia
C
myopia
D
astigmatism
9) This problem is corrected with concave lenses
A
myopia
B
hyperopia
C
emmetropia
D
astigmatism
10) Which of the following terms describes the ability of eye to focus specifically for close objects (less than 20 feet away)
A
reflection
B
absorption
C
accommodation
D
refraction
*select an answer for all questions
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