HUM BIOL CONCPTS&CURR
8th Edition
ISBN: 9781323476734
Author: Johnson
Publisher: PEARSON C
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Chapter 12, Problem 10TY
Summary Introduction
Introduction:
The focusing of light is an important function of the organ, as it ensures that the visual stimulus being received is interpreted as clearly and correctly as possible. Hence, it is worth taking a closer look at what parts of the eye serve this role.
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Chapter 12 Solutions
HUM BIOL CONCPTS&CURR
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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- If someone is color-blind, which structure is malfunctioning? A.None B.Cones C.Cornea D.Rods E.Optic disc F. All are correct.arrow_forwardWhere in the eye does the main refraction take place? a) in the ventricular fluid b) in the vitreous c) in the cornea d) in the lensarrow_forwardA bar of light in a specific part of the retina, with a particular length and orientation, is the most effective stimulus for a.retinal ganglion cells. b.lateral geniculate cells. c.simple cortical cells. d.complex cortical cells.arrow_forward
- What region of the retina contains a high density of photoreceptor cells and allows for extremely detailed vision? a. fovea centralis b. optic disc c. ora serrata d. ciliary bodyarrow_forwardWhen the ciliary muscle is contracted, the following will: a) lens to become more spherical b) pupil to be dilated c) pupil to contract d) the lens to be flattenedarrow_forwardWhat is the X-shaped structure that sits just below the brain’s ventral surface and represents the merging of the optic nerves from the two eyes? A) lens B) optic chiasm C) fovea D) irisarrow_forward
- Which of the following is accurate about the maculae of the vestibular apparatus? a. They detect rotational movements of the head. b. They are located in the semicircular canal. c. Nerve signals are generated when the otolithic membrane bends the stereocilia of the hair cells. d. They are the organs of hearing.arrow_forwardWhy is a retinal defect, such as retinitis pigmentosa, which causes tunnel vision, associated with night blindness? a. Tunnel vision and night blindness are unrelated conditions. b. The high density of rod photoreceptors in the fovea are unaffected in each condition. c. The highest resolution cone photoreceptors are found exclusively in the outer regions of the retina. d. The color-detecting cone photoreceptors have the greatest density in the outer regions of the retina. e. The highly-sensitive rod photoreceptors are located in the outer regions of the retina.arrow_forwardPresbyopia is a condition in which a person loses part or all of their capacity to adapt to changes in visual acuity. Will she still need reading glasses after having LASIK to fix her far vision? Explain.arrow_forward
- The human eye focuses bya. changing the thickness of the lens.b. changing the shape of the lens.c. opening and closing the pupil.d. rotating the lens.arrow_forwardMatch the type of vision below with the proper receptor (Rods or Cones) _____ A. vision in relatively dim light _____ B. color vision _____ C. general outlines _____ D. sharp imagesarrow_forward
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