The Enhancement of Contrast at the Edge of an Object

question 64

Multiple Choice

The enhancement of contrast at the edge of an object is the result of ____.​

• A)lateral inhibition in the retina
• B)​the diffraction of light from the edge's surface
• C)​fatigue of the rods and cones
• D)the color of the object

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Definitions:

Oxygen-Hemoglobin Dissociation Curve

Graph describing the relationship between the percentage of hemoglobin saturated with oxygen and a range of oxygen partial pressures.

Exercise

Physical activity that is planned, structured, and repetitive for the purpose of conditioning any part of the body, improving health, and maintaining fitness.

Alveolus

A small air sac within the lungs where the exchange of oxygen and carbon dioxide takes place during respiration.

Pulmonary Capillary

A small, thin-walled blood vessel located in the lungs where gas exchange between the blood and alveoli occurs.