Human Biology: Concepts and Current Issues (8th Edition)
8th Edition
ISBN: 9780134042435
Author: Michael D. Johnson
Publisher: PEARSON
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Chapter 12, Problem 9TY
Summary Introduction
Introduction:
The amount of light entering the eye is strictly regulated in order to ensure that the organism can adapt to the environment in a swift manner, and misinterpretation of the stimuli can be minimized. Therefore, it is important to know which component is responsible for that.
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Chapter 12 Solutions
Human Biology: Concepts and Current Issues (8th Edition)
Ch. 12 - Prob. 1QCCh. 12 -
2. Should the use of all hand-held devices,...Ch. 12 - Do you approve of the law in five states that a...Ch. 12 -
1. List the five classifications of receptors in...Ch. 12 - Prob. 2CRCh. 12 -
3. Describe what information the somatic...Ch. 12 - Name the five special senses.Ch. 12 - Compare and contrast fast pain, slow pain, and...Ch. 12 - Prob. 6CRCh. 12 - Prob. 7CR
Ch. 12 - Prob. 8CRCh. 12 - Prob. 9CRCh. 12 - Prob. 10CRCh. 12 - What do the receptors in the skin for light touch...Ch. 12 - Prob. 2TYCh. 12 - Prob. 3TYCh. 12 - Receptor adaptation results when: a. sensory...Ch. 12 - Prob. 5TYCh. 12 - Different pitched sounds will result in...Ch. 12 - Prob. 7TYCh. 12 - Prob. 8TYCh. 12 - Prob. 9TYCh. 12 - Prob. 10TYCh. 12 - Prob. 11TYCh. 12 - Prob. 12TYCh. 12 - Prob. 13TYCh. 12 - Prob. 14TYCh. 12 - Which of the following can be corrected with...Ch. 12 - With the eyes closed, would an astronaut in outer...Ch. 12 - Why do you suppose that you are not normally aware...Ch. 12 - Prob. 3AWKCh. 12 - Prob. 4AWKCh. 12 - Prob. 5AWKCh. 12 - Prob. 6AWKCh. 12 - Prob. 7AWK
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- Aside from the lens, damage to the ________ can affect the eye’s ability to focus light. a. iris b. cornea c. pupil d. retinaarrow_forwardWhen an ophthalmologist surgically corrects a patient’s vision through LASIK or PRK, the doctor is making adjustments to the patient’s a. cornea. b. lens. c. retina. d. iris.arrow_forwardA patient has lost vision on the left side of both eyes. The patient has likely suffered damage to ________. a.the right optic tract b.the retinas of the eyes c.the optic chiasm d. the optic nervesarrow_forward
- Which of the following components of the eye allows a person to focus on objects at various distances? a. The optic nerve b. The sclera c. The lens d. The photoreceptor cells. e. The vitreous humourarrow_forward(iii) Aqueous humour is present between the: A. Lens and Retina B. Iris and Lens C. Cornea and Iris D. Cornea and Lensarrow_forwardHyperopia is a condition in which the eye cannot view close objects clearly. Many newborns have hyperopia. Compared to older adults, the lenses of a newborn baby are very light and flexible. Hyperopia in newborn babies is caused by a. the inability of the iris to adjust to changing light conditions b. uneven curvature of the cornea c. loss of lens flexibility d. weak ciliary muscles that do not pull adequately on the lensarrow_forward
- The is the region of the eye that controls the amount of light that enters.a. cornea b. pupil c. lensd. fovea e. retinaarrow_forwardState 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 → retinaarrow_forwardWhich of the following will regulate the amount of light entering the eye?a. corneab. lensc. irisd. retinaarrow_forward
- _____ layer of the retina absorb light and prevent it from scattering in the eye while ______ layer of the retina contains rods and cones for transduction of light energy to create an image. A. neural, choroid B. sclera, vascular C. cornea, ciliary body D. pigmented, neural ________ provides the major internal reinforcement of the posterior part of the eyeball, and helps to keep the retina pressed firmly against wall of eyeball (formed ONLY before brith). A. macula lutea B. vitreous humor C. ciliary zonule D. aqueous humor What type of cells in the eye have axons leaving the retina via the optic nerve for vision? A. bipolar cells B. photoreceptors C. ganglion cells D. rods and conesarrow_forwardAxons from the nasal half of the retina go to the _____ hemisphere of the brain. Axons from the temporal half of the retina go to the _____ hemisphere of the brain. a. contralateral . . . ipsilateral b. contralateral . . . contralateral c. ipsilateral . . . ipsilateral d. ipsilateral . . . contralateralarrow_forwardMyopia 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 retinaarrow_forward
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