ESSENTIALS OF HUMAN ANAT&PHYS PKG OCC
15th Edition
ISBN: 9781269924078
Author: Marieb
Publisher: PEARSON C
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Chapter 8, Problem 23SAE
Summary Introduction
To review:
The mechanism behind the color vision when eye consists of merely three types of cones.
Introduction:
The color is perceived light with different wavelengths are selectively hindered with the matter such as when the light is absorbed, refracted, diffracted, scattered, or reflected on their way to the eyes.
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Chapter 8 Solutions
ESSENTIALS OF HUMAN ANAT&PHYS PKG OCC
Ch. 8 - More than one choice may apply. Which of the...Ch. 8 - More than one choice may apply. Identify the...Ch. 8 - Prob. 3MCCh. 8 - Which cranial nerve controls contraction of the...Ch. 8 - The cornea is nourished by a. corneal blood...Ch. 8 - When the eye focuses for far vision, a. the lens...Ch. 8 - Convergence a. requires contraction of the medial...Ch. 8 - Prob. 8MCCh. 8 - Prob. 9MCCh. 8 - Prob. 10MC
Ch. 8 - Prob. 11SAECh. 8 - Prob. 12SAECh. 8 - 13. Diagram and label the internal structures of...Ch. 8 - Prob. 14SAECh. 8 - Prob. 15SAECh. 8 - 16. What is the blind spot, and why is it so...Ch. 8 - What name is given to the structure that controls...Ch. 8 - What is the fovea centralis, and why is it...Ch. 8 - Prob. 19SAECh. 8 - Describe the difference between the photopupillary...Ch. 8 - 21. Define hyperopia, myopia, and emmetropia.
Ch. 8 - Prob. 22SAECh. 8 - Prob. 23SAECh. 8 - Prob. 24SAECh. 8 - Many students struggling through mountains of...Ch. 8 - Prob. 26SAECh. 8 - Prob. 27SAECh. 8 - Prob. 28SAECh. 8 - Prob. 29SAECh. 8 - Prob. 30SAECh. 8 - Prob. 31SAECh. 8 - Prob. 32SAECh. 8 - Prob. 33SAECh. 8 - Which special sense requires the most learning?Ch. 8 - 35. For each of the following descriptions,...Ch. 8 - Prob. 36CAQCh. 8 - Prob. 37CAQCh. 8 - Prob. 38CAQCh. 8 - Brandon suffered a ruptured artery in his middle...Ch. 8 - Prob. 40CAQCh. 8 - Kathy visits her Optician as she has been...Ch. 8 - 42. Julie and her father love to find the...Ch. 8 - Prob. 43CAQCh. 8 - 44. Mrs. Garson has an immune disorder that causes...Ch. 8 - Prob. 45CAQ
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- Larry goes to the doctor complaining that he cant see the right side of the visual field with either eye. Where in the visual signal-processing pathway is Larrys problem occurring?arrow_forwardWhy do rods provide greater visual sensitivity while cones provide better acuity?arrow_forwardWhat would vision be like after a drug has destroyed all the cones in the retina?arrow_forward
- If all neurons transmit the same type of message, how do you know the difference between sound and light? How are you able to distinguish between an intense pain and a mild one? How are these discriminationsadaptive?arrow_forwardFemale cones are larger than male cones. How is this adaptation helpful inreproduction? Give 3 reasons.arrow_forwardThe fluid that fills the cochlear duct, where the organ of Corti is located, is called____________. which of the following is a proprioceotor? Meissner's corpuscule muscle spindle Ruffini's corpuscule Merkel disc pain receptor Which of the following helps to explain why stimulation of cones results in more acute vision than stimulation of rods? Cones are more sensitive to color than rods are Cones require abundant light in order to be stimulated Rods are very sensitive, and can be stimulated even in very low light, so the signals all bleed together Cones have an almost 1:1 relationship with their axon pathways back to the cortex Cones are highly concentrated in the fovea, and rods are notarrow_forward
- Which of the following statements about the contributions of rods and cones to vision is TRUE? A. The three types of cones (long, medium, short) are represented at roughly equal numbers B. Rods respond to light at ultra-violet wavelengths (>600nm) C. The relative density of cones is roughly even throughout the retina D. The greater sensitivity of rods in low light is explained by their larger number E. Several rods converge on a single bipolar cellarrow_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_forwardDespite the presence of the blind spot, you do not consciously experience a “hole” in your vision. Why not?arrow_forward
- Why is it difficult to see colors in dim light?arrow_forwardIn reference to the blondspot, what advantage is it to have the fields of vision from each eye overlap? For what reason was it necessary to close kne eye in order to illustrate the blind spot? Describe at least one situation where the blind spot may be a liability to an individual.arrow_forwardcolor blindness can result from the loss of specific types of cons or it can occur in individuals having fewer cones of a given type.an individual has 50% lesss than the normal number of green cone photoreceptors in his retina how would this affect his visionarrow_forward
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