Portage Learning A&P 2 Module 3 Exam With Complete Solutions 2024.

The outer fibrous layer of the eye includes the: - Answer Sclera and Cornea The middle layer of the eye includes which regions? - Answer Choroid, Ciliary body, Iris, Pupil What is the correct order of how light passes through the eye? - Answer Cornea, Lens, Vitreous fluid, Retina Vitreous fluid fills the space posterior to the lens 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. A. Left optic nerve B. Right optic nerve C. Left LGN D. Right LGN - Answer The Left LGN is most likely damaged because it supplies the nerve to the right visual fields 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. A. Left eye blindness B. Right eye blindness C. Bilateral left visual field blindness D. Bilateral right visual field blindness. - Answer The tumor would most likely cause left eye blindness because it would be effecting both the nerves to the left eye True or False: All sensory information from the optic nerves cross at the optic chiasm. - Answer False; only medial fibers cross at optic chiasm