Biod 152 Exam 3

BIOD 152 EXAM 3 What sense does not have specialized sense organs? - CORRECT ANSWERS-Touch What senses contain specialized receptor cells via specialized somatic and visceral afferents? - CORRECT ANSWERS-A&C (Smell and Equilibrium) The posterior portion of the outer fibrous layer of the eye is called - CORRECT ANSWERS-Sclera The outer fibrous layer of the eye includes the: - CORRECT ANSWERS-Sclera and cornea What portion of the eye supplies blood supply to the other layers of the eye? - CORRECT ANSWERSChoroid (the middle layer) True or false: Cones operate best in dim light - CORRECT ANSWERS-False True or false: The more numerous type of photoreceptors are rods? - CORRECT ANSWERS-True What is the correct order of how light passes through the eye? - CORRECT ANSWERS-Cornea, aqueous humor, lens, retina A patient had CVA in the area indicated by the red X in the figure, below. What type of blindness is the patients most likely to incur. Explain - CORRECT ANSWERS-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 ANSWERS-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. 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 answer. - CORRECT ANSWERS-Left LGN. All the sensory