2: Module 3 Exam 100% Correct
Answers
Portage Learning Anatomy & Physiology 2: Module 3 Exam
\Q\.What sense does not have specialized sense organs?
A. Smell
B. Touch
C. Equilibrium
D. A&C
B. Touch
\Q\.The posterior portion of the outer fibrous layer of the eye is called the _____.
Sclera
\Q\.What portion of the eye supplies blood supply to the other layers of the eye?
Choroid (of the middle layer)
\Q\.True or false: The more numerous type of photoreceptors are rods.
True
\Q\.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
B. Cornea, lens, vitreous fluid, retina Vitreous fluid fills the space posterior to the lens
(Vitreous fluid fills the space posterior to the lens)
\Q\.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.
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.
\Q\.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
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.
\Q\.True or False: All sensory information from the optic nerves cross at the optic chiasm.
False
(only medial fibers cross at optic chiasm)