front 1 Which of the following is true of the vascular tunic of the eye? Regulates the amount of light entering the eye Provides a route for blood vessels and lymphatics that supply tissues of the eye Secretes and reabsorbs the aqueous humor Controls the shape of the lens All of the choices are correct | back 1 All of the choices are correct |
front 2 The part of the eye that determines eye color is the Conjunctiva Pupil Cornea Canal of Schlemm Iris | back 2 Iris |
front 3 The middle ear communicates with the nasopharynx through the Membranous labyrinth Auditory tube Auditory meatus Bony labyrinth | back 3 Auditory meatus |
front 4 The vitreous body Helps to stabilize the eye and give physical support to the retina Is replaced at the rate of 20 percent per year until middle age Fills the posterior chamber Controls the amount light that enters the eye All choices are correct | back 4 Helps to stabilize the eye and give physical support to the retina |
front 5 All of the following are true of the fibrous tunic of the eye, except that it Provides mechanical support and some protection for the eye Consists of the sclera, limbus, and cornea Produces aqueous humor Is where extrinsic eye muscles insert | back 5 Produces aqueous humor |
front 6 The structure that overlies the organ of Corti is the Perilymph Tectorial membrane Basilar membrane Stapedius Endolymph | back 6 Tectorial Membrane |
front 7 What structure changes the shape of the lens for far and near vision? Ciliary body Extrinsic eye muscles Aqueous humor Iris None, because the lens is rigid | back 7 Ciliary body |
front 8 the senses of equilibrium and hearing are provided by receptors of the Inner ear Perilymph Membranous endolymph Organ of Schlemm Bony labyrinth | back 8 Inner Ear |
front 9 The _____ covers most of the exposed surface of the eye. iris conjuctiva anterior chamber cornea lens | back 9 Conjunctiva |