BIOD 152 Exam 3-Questions and Answers |Latest
2026 Revised Update|100% Correct.
What sense does not have specialized sense organs?
Touch
What senses contain specialized receptor cells via specialized somatic and visceral
afferents?
A&C (Smell and Equilibrium)
The posterior portion of the outer fibrous layer of the eye is called
Sclera
The outer fibrous layer of the eye includes the:
Sclera and cornea
What portion of the eye supplies blood supply to the other layers of the eye?
Choroid (the middle layer)
True or false: Cones operate best in dim light
False
True or false: The more numerous type of photoreceptors are rods?
True
What is the correct order of how light passes through the eye?
Cornea, aqueous humor, lens, retina
, A patient had CVA in the area indicated by the red X in the figure, below. What type of
blindness is the patients most likely to incur. Explain
Bilateral left visual field blindness. The right optic tract is damaged. All the sensory information
from the left visual fields travels together after the optic chiasm to the right side of the brain.
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.
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.
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 answer.
Left LGN. All the sensory information from the right visual fields travels together after the optic
chiasm to the left side of the brain.
A patient is found to have blindness in the right eye. What part of the vision pathway was
most likely damaged. Explain your response.
Right Optic nerve. Information from the right visual field has not yet crosses at the optic chiasm.
Both peripheral and nasal fields of the right eye would be missing.
T or F. The lateral fibers of the optic nerves cross at the optic chiasm.
False
True or False. All sensory information from the optic nerves cross at the optic chiasm.
2026 Revised Update|100% Correct.
What sense does not have specialized sense organs?
Touch
What senses contain specialized receptor cells via specialized somatic and visceral
afferents?
A&C (Smell and Equilibrium)
The posterior portion of the outer fibrous layer of the eye is called
Sclera
The outer fibrous layer of the eye includes the:
Sclera and cornea
What portion of the eye supplies blood supply to the other layers of the eye?
Choroid (the middle layer)
True or false: Cones operate best in dim light
False
True or false: The more numerous type of photoreceptors are rods?
True
What is the correct order of how light passes through the eye?
Cornea, aqueous humor, lens, retina
, A patient had CVA in the area indicated by the red X in the figure, below. What type of
blindness is the patients most likely to incur. Explain
Bilateral left visual field blindness. The right optic tract is damaged. All the sensory information
from the left visual fields travels together after the optic chiasm to the right side of the brain.
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.
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.
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 answer.
Left LGN. All the sensory information from the right visual fields travels together after the optic
chiasm to the left side of the brain.
A patient is found to have blindness in the right eye. What part of the vision pathway was
most likely damaged. Explain your response.
Right Optic nerve. Information from the right visual field has not yet crosses at the optic chiasm.
Both peripheral and nasal fields of the right eye would be missing.
T or F. The lateral fibers of the optic nerves cross at the optic chiasm.
False
True or False. All sensory information from the optic nerves cross at the optic chiasm.
