Multiple Choice
A light hits your retina with a wavelength of 610 nm. Which cones will be stimulated, and what color will you perceive? Use the figure to help you answer.
15. The Special Senses
Rods, Cones, and Light
Back15. The Special Senses
Rods, Cones, and Light
- Multiple Choice
Imagine that you are walking in the woods at night in very low light. A red flower and a green leaf are both reflecting the same total amount of light. Which would appear brighter to you and why? The image is provided for reference.
- Multiple ChoiceWhich sequence follows the correct passage of light entering the cornea?
- Multiple ChoiceWhich of the following shows the correct order of light transmission from the air to the retina?
- Multiple ChoiceThe optic disc on the retina is __________.
- Open QuestionHow do rods and cones differ functionally?
- Open QuestionDescribe the response of rhodopsin to light stimuli. What is the outcome of this cascade of events?
- Open Question
Why can you see an object better in dim light by looking to the side of it instead of directly at it?
- Open Question
Each of the following statements is false. Correct each statement to make it true.
a. Photons are absorbed by rhodopsin in retinal ganglion cells.
- Open Question
Each of the following statements is false. Correct each statement to make it true.
b. Rods and cones are found in the fovea centralis.
- Open Question
Each of the following statements is false. Correct each statement to make it true.
c. In the dark, rods and cones produce action potentials.
- Open QuestionYou are at a park watching some deer 35 feet away from you. A friend taps you on the shoulder to ask a question. As you turn to look at your friend, who is standing just 2 feet away, what changes would your eyes undergo?
- Open QuestionYour friend Shelly suffers from myopia (nearsightedness). You remember from your physics class that concave lenses cause light waves to spread or diverge and that convex lenses cause light waves to converge. What type of corrective lenses would you suggest to your friend? (a) concave lenses, (b) convex lenses.