PORTAGE LEARNING ANATOMY & PHYSIOLOGY 2: MODULE 3 EXAM WITH COMPLETE SOLUTIONS 100%
What sense does not have specialized sense organs?
A. Smell
B. Touch
C. Equilibrium
D. A&C
B. Touch
What senses contain specialized receptor cells via specialized somatic and visceral afferents?
smell ...
PORTAGE LEARNING ANATOMY & PHYSIOLOGY 2:
MODULE 3 EXAM WITH COMPLETE SOLUTIONS 100%
What sense does not have specialized sense organs?
A. Smell
B. Touch
C. Equilibrium
D. A&C
B. Touch
What senses contain specialized receptor cells via specialized somatic and visceral afferents?
smell & equilibrium ( a&c)
The posterior portion of the outer fibrous layer of the eye is called the _____.
Sclera
The middle layer of the eye includes which regions?
ciliary body and iris
What portion of the eye supplies blood supply to the other layers of the eye?
Choroid (of the middle layer)
True or false: The more numerous type of photoreceptors are rods.
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
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.
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
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.
False
(only medial fibers cross at optic chiasm)
True or false: the lateral fibers of the optic nerves cross at the optic chiasm.
False - medial fibers cross
The ________ is controlled by the trochlear nerve.
A. Superior rectus
B. Medial rectus
C. Lateral rectus
D. Superior oblique
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
D. Medial rectus damageE. Superior rectus damage
B
The abducens nerve controls the lateral rectus. Damage to the lateral rectus would cause there to be
a muscle imbalance, and the medial rectus would pull the eye medially when looking straight ahead,
causing blurry vision. (Diplopia)
Your elderly patient is discussing her vision problems. She describes her vision as cloudy and dark. Her
vision has progressively worsened over the last year. What most likely is causing the vision problem?
Cataracts due to lenses hardening and becoming cloudy so light is not able to refract onto the retina.
Match the numbers (1-5) in the figure below with the correct terms (A-H).
Note: not all terms will be used.
1- A: Scala Tympani
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