Biology
12th Edition
ISBN: 9780134813448
Author: Audesirk, Teresa, Gerald, Byers, Bruce E.
Publisher: Pearson,
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Chapter 40, Problem 3FIB
Summary Introduction
Introduction:
The eye is the sensitive part of the sense organs that provide vision. It consists of photoreceptor cells, such as rods and cones cells, that are responsible for image formation during both night and day. The various parts of eyes are aqueous humor, vitreous humor, retina, iris, and pupil, and so on.
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When a person blinks, the part of the brain that interprets visual stimulation is suppressed. The spontaneous act of blinking is controlled by the area of the brain that controls involuntary movements such as breathing and blood pressure. To determine whether the lack of light or the act of blinking causes the suppression, scientists had subjects close their eyes and then placed a bright flashing light in their mouth to stimulate the photoreceptors in the eyes through the palate. Visual stimulation was still suppressed. So the photoreceptors in the retina were not stimulated even though they were exposed to light. This study demonstrated that when a person blinks, it is the act of blinking and not the absence of light that causes the suppression of visual stimulation.
In the diagram above, identify the part of the brain that is suppressed during blinking and the part of the brain that controls involuntary, spontaneous blinking.
Select one:
a. 3 and 8
b. 2 and 9
c. 5 and 6
d. 1…
Name any five features of the human eye that enable it to capture real-world pictures.
The retina.____ are the only light sensitive cells used for vision and the________ are the only output cells to the brain in the
A. rod and cone photoreceptors ganglion cells
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C. cone photoreceptors; ganglion cells
D. rod and cone photoreceptors; bipolar cells
E. rod photoreceptors; horizontal cells
___ are the only output cells to the brain in the
Chapter 40 Solutions
Biology
Ch. 40.1 - list and describe the five major types of sensory...Ch. 40.1 - Prob. 2CYLCh. 40.2 - Prob. 1CYLCh. 40.3 - Prob. 1CYLCh. 40.3 - give some examples of mechanoreceptors in your...Ch. 40.4 - describe the parts of the human ear and explain...Ch. 40.4 - Prob. 2CYLCh. 40.4 - explain how pitch and loudness are encoded?Ch. 40.5 - Prob. 1TCCh. 40.5 - Whales arent the only animals affected by human...
Ch. 40.5 - Prob. 1CYLCh. 40.5 - Prob. 2CYLCh. 40.6 - Prob. 1TCCh. 40.6 - Despite the presence of the Wind spot, you do not...Ch. 40.6 - Prob. 3TCCh. 40.6 - describe the structures of the human eye and...Ch. 40.6 - Prob. 2CYLCh. 40.6 - Prob. 3CYLCh. 40.7 - Prob. 1CYLCh. 40.7 - Prob. 2CYLCh. 40.8 - Prob. 1HYEWCh. 40.8 - Prob. 1CYLCh. 40.8 - Prob. 2CYLCh. 40.8 - Retinal implants have boon developed to provide...Ch. 40 - Prob. 1MCCh. 40 - Prob. 2MCCh. 40 - Prob. 3MCCh. 40 - A large receptor potential in a sensory receptor...Ch. 40 - Prob. 5MCCh. 40 - Prob. 1FIBCh. 40 - Prob. 2FIBCh. 40 - Prob. 3FIBCh. 40 - Prob. 4FIBCh. 40 - Prob. 5FIBCh. 40 - Prob. 1RQCh. 40 - Prob. 2RQCh. 40 - Why are we apparently able to distinguish hundreds...Ch. 40 - Prob. 4RQCh. 40 - Prob. 5RQCh. 40 - Diagram the overall structure of the human eye....Ch. 40 - Prob. 7RQCh. 40 - Compare and contrast rods and cones.Ch. 40 - Prob. 9RQCh. 40 - We dont merely identify odors. We also label them...Ch. 40 - Many people like to eat spicy foods, but most...
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- The inner layer of the eye includes the _____________. a. lens and choroid b. sclera and cornea c. retina d. start of optic nervearrow_forwardRods differ from cones in the following ways: a. They detect dim light, not bright light. b. They have a different visual pigment. c. They are not located in the retina. d. All of the above. e. a and b onlyarrow_forwardWhat is meant by the statement Vision happens mainly in the brain?arrow_forward
- The human eye forms the image of an object at its:(a) Cornea(b) Iris(c) Pupil (d) Retinaarrow_forwardList any five aspects of the Human Eye that allow it to record images in the real world.arrow_forwardWhat could be the reason why vitamin A is essential for visual acuity? Select the correct response: • It is converted into the pigment in the iris that absorbs harmful UV radiation. • It is an integral part of the visual pigment in the retina called rhodopsin. • It neutralizes free radicals that can damage the retina of the eyes. • It serves as lubricant in the vitreous humor of the eyes.arrow_forward
- Two objects with the same visual angle will always... have the same retinal image size. be at the same location. be at the same distance. have the same perceived size.arrow_forwardLight from the left side of the world strikes the ___________ side of the retina, while light from the right side of the world strikes the ___________ side of the retina. Top, Bottom Bottom, Top Left, Right Right, Leftarrow_forwardAs you read the question, light enters your eye, is focused, detected, and then changed into electrical impulses that are sent to your brain. Starting with the cornea and ending with the optic nerve, list all the structures of the eye that light passes through (in order) and describe their functions.arrow_forward
- Provide a list of any five features of the human eye that contribute to its ability to detect and record visual information in the real world.arrow_forwardThe rods are responsible for _______________, whereas the cones are responsible for___________________. peripheral and dim light vision; high-acuity color vision high-acuity color vision; peripheral and dim light vision peripheral and color vision; high-acuity and dim light vision high-acuity and dim light vision; peripheral and color visionarrow_forwardThe arrangement of tunics in the eye, from the innermost to outermost aspect of the eye, is a. retina, vascular, fibrous. b. vascular, retina, fibrous. c. vascular, fibrous, retina. d. retina, fibrous, vascular.arrow_forward
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