Question

question 17
1 pts
taste buds are activated quickly.
true
false
question 18
1 pts
each pixel on your tv screen or computer monitor codes the color of an image at that point in terms of red, blue, and green values. this closely resembles:
the way color is represented according to trichromatic theory
the way color is represented in both the trichromatic and the opponent - process theory
the way color is represented in the cornea
the way color is represented according to opponent - process theory
question 19
1 pts
which of the following best expresses the relationship between the retina and the fovea?
light passes through the fovea on its way to the retina.
the fovea is adjacent to the retina.
the retina is part of the fovea.
the fovea is part of the retina.

Explanation:

Question 17

Taste buds have a rapid activation mechanism as they respond quickly to chemical stimuli (tastes) when food or substances come in contact with them. So the statement "Taste buds are activated quickly" is True.

Trichromatic theory states that color perception is based on three types of cones sensitive to red, green, and blue. TV/computer pixels use red, green, blue values to code color, matching trichromatic theory. Opponent - process theory involves opposing color pairs (e.g., red - green, blue - yellow), so it's not related here. The cornea is for focusing light, not color representation. So the correct option is the one about trichromatic theory.

The retina is a layer at the back of the eye. The fovea is a small pit in the retina with a high density of cones, responsible for sharp central vision. So the fovea is part of the retina. Light passes through the cornea, pupil, etc., on the way to the retina, not the fovea first. The fovea is within the retina, not adjacent in a non - inclusive way, and the retina is not part of the fovea.

Answer:

True

Question 18