BIOD152 MODULE 3 FULL AND REVISED EXAM 2022.

BIOD152 MODULE 3 FULL AND REVISED EXAM 2022. Question 1 2 / 2 pts What sense does not have specialized sense organs? Smell Correct! Touch Equilibrium A&C Question 2 2 / 2 pts The posterior portion of the outer fibrous layer of the eye is called the _____. Your Answer: sclera Sclera Question 3 2 / 2 pts What portion of the eye supplies blood supply to the other layers of the eye? Your Answer: choroid Choroid (of the middle layer) Question 4 2 / 2 pts True or false: Cones operate best in dim light. True Correct! False Question 5 2 / 2 pts What is the correct order of how light passes through the eye? Cornea, Lens, pupil, retina Correct! Cornea, lens, vitreous fluid, retina Vitreous fluid fills the space posterior to the lens Lens, retina, cornea, optic nerve Lens, vitreous fluid, optic nerve, retina Question 6 1 / 5 pts 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 Your Answer: A, all sensory information from right visual field travel together after optic chiasm to the left side of the brain C All the sensory information from the right visual fields travels together after the optic chiasm to the left side of the brain. so then C? Question 7 5 / 5 pts 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. Your Answer: left eye blindness since damage is in left optic nerve and information of right visual nerve has not crossed at the optic yet A 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.