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Portage Learning Anatomy & Physiology 2: Module 3 Exam – Questions & Answers
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Portage Learning Anatomy & Physiology 2:Module 3 Exam – Questions & Answers
What sense does not have specialized sense organs? Correct Ans - A.
Smell
B. Correct! Touch
C. Equilibrium
D. A&C
The posterior portion of the outer fibrous layer of the eye is called the _____.
Correct Ans - Sclera
What portion of the eye supplies blood supply to the other layers of the eye?
Correct Ans - Choroid (of the middle layer)
True or false: The more numerous type of photoreceptors are rods.
Correct Ans - True
What is the correct order of how light passes through the eye? Correct
Ans - A. Cornea, Lens, pupil, retina
B. Correct! Cornea, lens, vitreous fluid, retina Vitreous fluid fills the space
posterior to the lens
C. Lens, retina, cornea, optic nerve
D. Lens, vitreous fluid, optic nerve, retina
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 Ans - 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 Ans - 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 Ans - False
only medial fibers cross at optic chiasm
The ________ is controlled by the trochlear nerve. Correct Ans - A.
Superior rectus
B. Medial rectus
C. Lateral rectus
D. Correct! 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. CataractsB. Abducens nerve damageC. Brain tumor in the occipital lobeD.
Medial rectus damageE. Superior rectus damage Correct Ans - 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)
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
2- B: Facial Nerve
3- C: Tympanic Membrane
4- D: Cochlear duct
5- E: Organ of Corti Correct Ans - label
Which of the following statements is false regarding the external ear?
Correct Ans - A. The lobule does not contain cartilage.
B. The auricle funnels sound into the external acoustic meatus.
C. The helix contains cartilage.
D. Correct! The external acoustic meatus travels through the parietal bone.
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