Human Biology: Concepts and Current Issues
Human Biology: Concepts and Current Issues
7th Edition
ISBN: 9780321821652
Author: Michael D. Johnson
Publisher: Benjamin Cummings
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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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If someone is born with dense cataracts on both eyes, and the cataracts are removed years later, what happens?A. The person remains permanently blind.B. The person gradually recovers all aspects of vision.C. The person gains some vision, but remains impaired on object recognition, motion vision, and depth perception.D. The person gains almost all aspects of vision, but remains greatly impaired on color perception.
The change in focal length of an eye lens is caused by the action of the:(a) Pupil(b) Retina(c) Cilliary muscles(d) Iris
Which of the following best describes the function of a camera type eye?     A) To form high-definition images that are transmitted to the brain.     B) To gather and concentrate light through a lens onto retinal tissue which generates an impulse that is transmitted to the brain.     C) To protect the optic nerve which generates an impulse that is transmitted to the brain.     D) To detect vibrations through the vitreous body which generates an impulse that is transmitted to the brain.
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Visual Perception – How It Works; Author: simpleshow foundation;https://www.youtube.com/watch?v=DU3IiqUWGcU;License: Standard youtube license