Portage Learning Anatomy & Physiology
2: Module 3 Exam Questions and
Answers (Solved Papers)
What sense does not have specialized sense organs?
A. Smell
B. Touch
C. Equilibrium
D. A&C - CORRECT ANSWERS B. Touch
The posterior portion of the outer fibrous layer of the eye is called the _____. - CORRECT ANSWERS
Sclera
What portion of the eye supplies blood supply to the other layers of the eye? - CORRECT ANSWERS
Choroid (of the middle layer)
True or false: The more numerous type of photoreceptors are rods. - CORRECT ANSWERS
True
What is the correct order of how light passes through the eye?
A. Cornea, Lens, pupil, retina
B. Cornea, lens, vitreous fluid, retina
C. Lens, retina, cornea, optic nerve
D. Lens, vitreous fluid, optic nerve, retina - CORRECT ANSWERS B. Cornea, lens, vitreous
fluid, retina Vitreous fluid fills the space posterior to the lens
(Vitreous fluid fills the space posterior to the lens)
, A patient had a CVA 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. - CORRECT ANSWERS 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. - CORRECT ANSWERS
Left eye blindness
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.
True or False: All sensory information from the optic nerves cross at the optic chiasm. - CORRECT
ANSWERS False
(only medial fibers cross at optic chiasm)
The ________ is controlled by the trochlear nerve.
A. Superior rectus
B. Medial rectus
C. Lateral rectus
D. Superior oblique - CORRECT ANSWERS D. Superior oblique
Your elderly patient is discussing her vision problems. She describes her vision as blurry. Following a
visual examination, her left eye deviates medially when looking straight ahead. What is most likely
causing the vision problem? Explain your reasoning.
A. Cataracts
B. Abducens nerve damage
C. Brain tumor in the occipital lobe
2: Module 3 Exam Questions and
Answers (Solved Papers)
What sense does not have specialized sense organs?
A. Smell
B. Touch
C. Equilibrium
D. A&C - CORRECT ANSWERS B. Touch
The posterior portion of the outer fibrous layer of the eye is called the _____. - CORRECT ANSWERS
Sclera
What portion of the eye supplies blood supply to the other layers of the eye? - CORRECT ANSWERS
Choroid (of the middle layer)
True or false: The more numerous type of photoreceptors are rods. - CORRECT ANSWERS
True
What is the correct order of how light passes through the eye?
A. Cornea, Lens, pupil, retina
B. Cornea, lens, vitreous fluid, retina
C. Lens, retina, cornea, optic nerve
D. Lens, vitreous fluid, optic nerve, retina - CORRECT ANSWERS B. Cornea, lens, vitreous
fluid, retina Vitreous fluid fills the space posterior to the lens
(Vitreous fluid fills the space posterior to the lens)
, A patient had a CVA 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. - CORRECT ANSWERS 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. - CORRECT ANSWERS
Left eye blindness
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.
True or False: All sensory information from the optic nerves cross at the optic chiasm. - CORRECT
ANSWERS False
(only medial fibers cross at optic chiasm)
The ________ is controlled by the trochlear nerve.
A. Superior rectus
B. Medial rectus
C. Lateral rectus
D. Superior oblique - CORRECT ANSWERS D. Superior oblique
Your elderly patient is discussing her vision problems. She describes her vision as blurry. Following a
visual examination, her left eye deviates medially when looking straight ahead. What is most likely
causing the vision problem? Explain your reasoning.
A. Cataracts
B. Abducens nerve damage
C. Brain tumor in the occipital lobe
