Fundamentals of Anatomy and Physiology - Package
10th Edition
ISBN: 9780133918762
Author: Martini
Publisher: PEARSON
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Question
Chapter 17, Problem 11CP
Summary Introduction
To determine:
If the person could be able to see, if he is born without cone cells in the eyes. Explain with reason.
Introduction:
The eye of the person contains rod and the cone cells. The rod and cone cells are the receptors of light that aid in visualizing the surroundings. The rod cells can be active in low light while the cone cells can be active in high intensity of lights.
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If you had been born without cone cells in your eyes, would you still be able to see? Explain.
What would vision be like after a drug has destroyed all the cones in the retina?
Why do rods provide greater visual sensitivity while cones provide better acuity?
Chapter 17 Solutions
Fundamentals of Anatomy and Physiology - Package
Ch. 17 - Prob. 1CPCh. 17 - Prob. 2CPCh. 17 - Prob. 3CPCh. 17 - Prob. 4CPCh. 17 - If you completely dry the surface of your tongue...Ch. 17 - Prob. 6CPCh. 17 - Prob. 7CPCh. 17 - Prob. 9CPCh. 17 - Prob. 10CPCh. 17 - Prob. 8CP
Ch. 17 - Prob. 11CPCh. 17 - Prob. 12CPCh. 17 - Prob. 13CPCh. 17 - Prob. 14CPCh. 17 - Prob. 15CPCh. 17 - Prob. 16CPCh. 17 - Prob. 1RQCh. 17 - Prob. 2RQCh. 17 - A blind spot occurs in the retina where (a) the...Ch. 17 - Sound waves are convened into mechanical movements...Ch. 17 - The basic receptors in the internal ear are the...Ch. 17 - Prob. 6RQCh. 17 - At sunset, your visual system adapts to (a) fovea...Ch. 17 - Prob. 8RQCh. 17 - The malleus, incus, and stapes are the tiny bones...Ch. 17 - Identify the structures of the external, middle,...Ch. 17 - Prob. 11RQCh. 17 - Prob. 12RQCh. 17 - Prob. 13RQCh. 17 - Prob. 14RQCh. 17 - Prob. 15RQCh. 17 - Prob. 16RQCh. 17 - Prob. 17RQCh. 17 - Prob. 18RQCh. 17 - Prob. 19RQCh. 17 - Prob. 20RQCh. 17 - Prob. 21RQCh. 17 - Prob. 22RQCh. 17 - Prob. 23RQCh. 17 - Prob. 24RQCh. 17 - Prob. 25RQCh. 17 - Prob. 26RQCh. 17 - Prob. 27RQCh. 17 - Prob. 28RQCh. 17 - Prob. 1CCCh. 17 - Prob. 2CC
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- What are the stimuli for taste receptors?arrow_forwardLarry 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_forwardFor vertebrate photoreception, define: (a) photopigment; (b) photoreceptor; and (c) receptive field.arrow_forward
- Figure 36.14 Cochlear implants can restore hearing in people who have a nonfunctional cochlea The implant consists of a microphone that picks up sound. A speech processor selects sounds in the range of human speech, and a transmitter converts these sounds to electrical impulses, which are then sent to the auditory nerve. Which of the following types of hearing loss would not be restored by a cochlear implant? Hearing loss resulting from absence or loss of hair cells in the organ of Corti. Hearing loss resulting from an abnormal auditory nerve. Hearing loss resulting from fracture of the cochlea. Hearing loss resulting from damage to bones of the middle ear.arrow_forwardWhy is it difficult to see colors in dim light?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
- In attempting to discern distant details, people will sometimes squint. Why does this help?arrow_forwardWe have three types of cones in the retina. Explain how we can see a large range of colors with only three types of cones:arrow_forwardPresbyopia is a condition in which a person's ability to adjust to changes in visual acuity diminishes or disappears entirely. Will she still require reading glasses after LASIK to correct her far vision? Explain.arrow_forward
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