BIOD 152 module 3 || Questions and 100% Accurate
Answers.
what senses contain specialized receptors via specialized somatic and visceral afferents? correct
answers smell, equilibrium
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 pf photo receptors are rods. correct answers true
what is the correct order of how light passes through the eye? correct answers cornea, lens,
vitreous fluid, retina
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 response. correct answers Left LGN
all sensory information from the right visual fields travels together after 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 repsonse. correct answers right optic nerve. information from the
right visual has not yet crossed the optic chiasm. both peripheral and nasal fields of the right eye
would be missing.
true of false: all sensory information from the optic nerves cross at the optic chiasm. correct
answers false
what is controlled by the abducens nerve? correct answers lateral rectus
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. correct answers 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
Answers.
what senses contain specialized receptors via specialized somatic and visceral afferents? correct
answers smell, equilibrium
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 pf photo receptors are rods. correct answers true
what is the correct order of how light passes through the eye? correct answers cornea, lens,
vitreous fluid, retina
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 response. correct answers Left LGN
all sensory information from the right visual fields travels together after 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 repsonse. correct answers right optic nerve. information from the
right visual has not yet crossed the optic chiasm. both peripheral and nasal fields of the right eye
would be missing.
true of false: all sensory information from the optic nerves cross at the optic chiasm. correct
answers false
what is controlled by the abducens nerve? correct answers lateral rectus
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. correct answers 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
