81-70.The inner part of the eye derives itsnourishment primarily from the vascularstructure of what tissue?1.Conjunctiva2.Sclera3.Vitreous humor4.Choroid1-71.Dilation of the pupil, a muscular responseof the iris, normally occurs as a result ofwhat?1.Increased intensity of light2.Decrease intensity of light3.Irritation to the sclera4.Irritation to the conjunctiva1-72.Of the elements listed below, which makesseeing in the dark possible?1.Rods2.Cones3.Iris4.Choroid1-73.By what process is three-dimensionalvision produced?1.Accommodation2.Convergence3.Refraction4.Stimulation1-74.The mechanical transmission of sound fromthe tympanic membrane to the inner ear is afunction of which of the following?1.Auditory ossicles2.Eustachian tube3.Bony labyrinth4.Organ of Corti1-75.What structure(s) of the inner earprovide(s) neural stimuli used to maintainequilibrium?1.Fenestra rotunda2.Fenestra ovalis3.Semicircular canals4.Organ of Corti
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