BIOD152 MODULE 3 FULL AND REVISED EXAM
Question 1
2 / 2 pts
What sense does not have specialized sense
... [Show More] organs?
Smell
Correct!
Touch
Equilibrium
A&C
Question 2
2 / 2 pts
The posterior portion of the outer fibrous layer of the eye is called the _____.
Your Answer:
sclera
Sclera
Question 3
2 / 2 pts
What portion of the eye supplies blood supply to the other layers of the eye?
Your Answer:
choroid
Choroid (of the middle layer)
Question 4
2 / 2 pts
True or false: Cones operate best in dim light.
True
Correct!
False
Question 5
2 / 2 pts
What is the correct order of how light passes through the eye?
Cornea, Lens, pupil, retina
Correct!
Cornea, lens, vitreous fluid, retina
Vitreous fluid fills the space posterior to the lens
Lens, retina, cornea, optic nerve
Lens, vitreous fluid, optic nerve, retina
Question 6
1 / 5 pts
A patient is found to have blindness of the right visual field of both eyes. What part of the
vision pathway was most likely damaged? Explain your response.
A. Left optic nerve
B. Right optic nerve
C. Left LGN
D. Right LGN
Your Answer:
A, all sensory information from right visual field travel together after optic chiasm to the
left side of the brain
C
All the sensory information from the right visual fields travels together after the
optic chiasm to the left side of the brain.
so then C?
Question 7
5 / 5 pts
A patient has a brain tumor in the area indicated by the red x in the figure, below. What
type of blindness is the patient most likely to incur? Explain your reasoning.
A. Left eye blindness
B. Right eye blindness
C. Bilateral left visual field blindness
D. Bilateral right visual field blindness.
Your Answer:
left eye blindness since damage is in left optic nerve and information of right visual
nerve has not crossed at the optic yet
A
Left eye blindness because there is damage to the left optic nerve. Information
from the left visual field has not yet crossed at the optic chiasm. Both peripheral
and nasal fields of the left eye would be missing.
Question 8
3 / 3 pts
True or False: All sensory information from the optic nerves cross at the optic chiasm.
True
Correct!
False
only medial fibers cross at optic chiasm
Question 9
3 / 3 pts
The ________ is controlled by the abducens nerve.
Superior rectus
Medial rectus
Correct!
Lateral rectus
Superior oblique [Show Less]