State the part of eye that constricts or dilates based on the amount of light in the environment. A. Cornea B. Iris C. Pupil D. Sclera Choose the correct order for the light transmission inside the eyes. A. Cornea retina - lens - retina B. Cornea pupil → lens → retina C. Lens pupil → cornea → retina D. Pupil - cornea -→ lens → retina

State the part of eye that constricts or dilates based on the amount of light in the environment. A. Cornea B. Iris C. Pupil D. Sclera Choose the correct order for the light transmission inside the eyes. A. Cornea retina - lens - retina B. Cornea pupil → lens → retina C. Lens pupil → cornea → retina D. Pupil - cornea -→ lens → retina

Essentials of Pharmacology for Health Professions

7th Edition

ISBN:9781305441620

Author:WOODROW

Publisher:WOODROW

ChapterCRE2: Comprehensive Review Exam For Part 2

Section: Chapter Questions

Problem 22CEP2

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What is meant by the statement Vision happens mainly in the brain?
When reading, a person with astigmatism sees some lines in sharp focus while others appear blurred. Astigmatism is caused by the Select one: a. inability of the iris to contract or dilate b. lens becoming cloudy and rigid c. number of cones on some parts of the retina being deficient O d. curvature of the cornea or lens not being symmetrical
When reading, a person with astigmatism sees some lines in sharp focus while others appear blurred. Astigmatism is caused by the a. inability of the iris to contract or dilate b. lens becoming cloudy and rigid c. number of cones on some parts of the retina being deficient d. curvature of the cornea or lens not being symmetrical
Myopia is a condition in which a person has Select one: a. light rays focusing in front of the retina due to a flattened cornea b. light rays focusing in front of the retina due to a short eyeball c. light rays focusing in front of the retina due to a cornea that is too curved d. light rays focusing in front of the retina due to a detached retina
Choose the structure that corresponds to each statement. a. bipolar cell layer e. macula lutea b. central fovea f. optic disc c. cones g. photoreceptor layer d. ganglion cell layer h. rods 1. has the highest density of cones in the retina 2. axons form optic nerve 3. does not contain photoreceptors; blind spot 4. photoreceptor that allows us to see color 5. contains rods and cones 6. the center of the neural portion of the retina 7. photoreceptor used in night vision 8. rods and cones synapse on these cells
Occlusion is a. the condition in which object properties don’t change when viewed from different angles. b. the idea that numerous physical stimuli can create the same image on the retina. c. when one object partially covers another. d. when the stimulus on the receptors is ambiguous.
Myopia is a condition in which a person has: a. light rays focusing in front of the retina due to a flattened cornea b. light rays focusing in front of the retina due to a short eyeball c. light rays focusing in front of the retina due to a cornea that is too curved d. light rays focusing in front of the retina due to a detached retina
Visual System Matching protects and shapes the eyeball; provides a sturdy anchoring site for extrinsic eye muscles A. sclera B. retina blood vessels supply nutrition to all eye layers C. fovea contains only cones; provides detailed color vision D. choriod plexus lacks photorecptors; where optic nerve exits the eye E. optic disc sensory layer of the eye
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.
Which of the following correctly traces the path of light through the eye?a. aqueous humor—pupil—cornea—lens—vitreous humor—retinab. cornea—aqueous humor—pupil—lens—vitreous humor—retinac. cornea—vitreous humor—lens—pupil—aqueous humor—retinad. pupil—cornea—vitreous humor—lens—aqueous humor—retina