Which receptor cells most directly enable us to distinguish different wavelengths of light?

Related Mcqs:

1. The receptor of the eye that functions best in dim light is the ______________?

   A. fovea
   B. ganglion
   C. cone
   D. rod

2. The theory of color vision based on the idea that we possess three distinct receptor areas for the three primary colors of light is the ________________?

   A. primary color theory
   B. signal detection theory
   C. opponent process theory
   D. trichromatic theory

3. Receptor cells that are very sensitive to color are the _________________?

   A. rods
   B. bipolar cells
   C. cones
   D. ganglion cells

4. Waqas looked directly into a very bright light and damaged his retina. The ophthalmologist has told him that he has sustained massive damage to his rods but for the most part his cones have not been affected. One change that you could predict for Waqas’ vision is that he will now have:

   A. more accurate depth perception
   B. poor vision in bright illumination
   C. poor vision in low illumination
   D. poor peripheral vision

5. Petra locked directly into a very bright light and damaged her retina. The ophthalmologist has told her that she has sustained massive damage to her cones, but for the most part her rods have not been affected. One change that you could predict for Petra’s vision is that she will now have:

   A. Poor vision in bright light
   B. No color vision
   C. Poor vision in low illumination
   D. More accurate depth perception

6. The nervous coordination involves specialized cells that are linked together directly or via central nervous system to from a network. These are:

   A. Receptors
   B. Neurons
   C. Effectors
   D. All of these

7. Which of the following in conjunction with somatropin bring growth and act directly on brain cells causing them to differentiate?

   A. Thyroxine
   B. Tri-iodothyronine (T3)
   C. Calcitonin
   D. Both a & b

8. Kim is trying to thread a needle, but the light is fairly dim. Due to the lack of light, the part of her eye that will help most in threading the needle is ________________?

   A. cones
   B. rods
   C. lens
   D. cornea

9. Consider this sequence: (1) food, (2) salivation with food (3) light with food, (4) salivation with light. This procedure for presenting stimuli and observing responses with dogs is based on Pavlov’s experiments, and represents which sequence of classical conditioning?

   A. Unconditioned stimulus, conditioned response, conditioned stimulus, unconditioned response
   B. Conditioned stimulus, conditioned response, unconditioned stimulus, unconditioned response
   C. Unconditioned stimulus, conditioned stimulus, unconditioned response, conditioned response
   D. Unconditioned stimulus, unconditioned response, conditioned stimulus, conditioned response
   E. Conditioned response, conditioned stimulus, unconditioned response, unconditioned stimulus

10. The light around the movie marquee flashed on-and-off in succession However, Jamil did not perceive them as separate lights flashing, but instead saw a continuous band of light moving around the edge of the marquee. Jamil’s perception illustrates:

    A. Feature detection.
    B. Bottom-up processing
    C. Pre-attentive processing
    D. The phi phenomenon