Multiple Choice Which of the following statements

Multiple Choice Which of the following statements are true of sensory pathways? (Read carefully and select all the correct statements.) A. Sensory neurons carry impulses from receptors to the CNS. B. Sensory tracts include peripheral nerves such as the femoral nerve. C. Sensory receptors are different in that each type detects a specific type of change. D. Sensory receptors are similar in that they all interpret impulses the same way. E. Most of the sensory areas are in the cerebral cortex. F. The cranial nerves involved in sensations are part of sensory tracts. 2. Which of the following statements are true of the parts of the eye? (Read carefully and select all the correct statements.) A. Vitreous humor is reabsorbed into the canal of Schlemm. B. The radial muscles of the iris constrict the pupil. C. The white of the eye is formed by the sclera. D. The choroid layer absorbs light within the eyeball. E. The conjunctiva is kept moist by tears secreted by the lacrimal glands. F. The retina is the innermost layer of the eyeball. G. The ciliary muscle is a circular smooth muscle that changes the shape of the cornea. H. Aqueous humor is the tissue fluid of the eye; it nourishes the lens and cornea. 3. Which of the following statements are true of the physiology of vision? (Read carefully and select all the correct statements.) A. Cones are the receptors for color. B. The lens adjusts for distant vision, and the cornea adjusts for near vision. C. The optic nerve is formed by the ganglion neurons of the choroid layer. D. For near vision, the pupils dilate and the eyes converge. E. The optic chiasma is a crossing of optic nerve fibers that contributes to binocular vision. F. The visual areas are in the occipital lobes of the cerebrum. G. The area of the retina for the best color vision is the optic disc. H. Rods are most numerous at the periphery of the retina. 4. Which of the following statements are true of the ear? (Read carefully and select all the correct statements.) A. The cochlea contains the receptors for hearing. B. The auditory bones, in the order they vibrate, are the malleus, incus, and stapes. C. The nerves for hearing and equilibrium are the ninth cranial nerves. D. The eardrum is at the end of the ear canal. E. The receptors that detect movement of the head are hair cells in the organ of Corti. F. The four semicircular canals have hair cells that respond to gravity. G. Air pressure in the middle ear cavity is regulated by the mastoid sinus. H. The auditory areas are in the temporal lobes. SCIENCE HEALTH SCIENCE NURSING CNUR 123

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