BIO 152 Module 3 Exam Portage learning FALL 2023

What sense does not have specialized sense organs? Smell Touch Correct! Equilibrium A&C Ques 2 / 2 pts tion 2 The posterior portion of the outer fibrous layer of the eye is called the _____. 11/17/23, 5:53 AM 2/16 Your Answer: Sclera Sclera Ques 2 / 2 pts tion 3 The middle layer of the eye includes which regions? Aqueous humor and cornea Ciliary body and iris Correct! Cones and rods Optic nerve and retina Ques 2 / 2 pts tion 4 True or false: The more numerous type of photoreceptors are rods. True Correct! False Ques 2 / 2 pts tion 5 What is the correct order of how light passes through the eye? 11/17/23, 5:53 AM 3/16 Cornea, Lens, pupil, retina Cornea, lens, vitreous fluid, retina Correct! Vitreous fluid fills the space posterior to the lens Lens, retina, cornea, optic nerve Lens, vitreous fluid, optic nerve, retina Ques 5 / 5 pts tion 6 Your Answer: 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 C. Left LGN The patient most likely has damage to the left LGN because in the vision pathway it is after crossing the Optic chiasm seperate the left from the right visual field sensory information, therefore the left side will hold the sensory information of the right visual fields and which is why the right visual field in both eyes will be blind. C All the sensory information from the right visual fields travels together after the optic chiasm to the left side of the brain.