Question :
41. At the Museum of Science and Industry, Joan finds an : 1201922
41. At the Museum of Science and Industry, Joan finds an exhibit with three colored spotlights. By adjusting the intensity of the red, green, and blue lights and then overlapping them, Joan is able to create any color she likes. This example best supports the _____ theory of color vision.
A. opponent-process
B. frequency-matching
C. place
D. trichromatic
42. Alvin has a congenital defect. He lacks the ability to see either red or green, but he can see blue and yellow. This finding conforms nicely with the _____ theory of color vision.
A. opponent-process
B. trichromatic
C. color mixing
D. blind spot
43. The trichromatic theory best explains the contribution of _____ to color vision, whereas the opponent-process theory best explains the contribution of _____.
A. ganglion cells; cones
B. cones; ganglion cells
C. rods; feature detectors
D. feature detectors; rods
44. Marcus is color-blind. This is due to the fact that his eyes
A. blend complementary colors into gray.
B. have only one or two of three color-sensitive photopigments.
C. have a larger-than-normal blind spot.
D. activate the same areas of the visual cortex for all colors.
45. In science fiction movies, when spaceships shoot each other, the audience hears a loud bang. In reality, no sound should occur because
A. it is too cold in space for sound to travel.
B. in space, sound travels at the speed of light—too fast for humans to hear.
C. sound requires a medium like air, which is absent in the vacuum of space.
D. these sounds are beyond the range of normal human hearing.
46. Brittany observed that people having conversations on cell phones were quite loud, whereas those having conversations on pay phones were more soft-spoken. Those using cell phones were producing a higher _____ of sound waves than were those using pay phones.
A. amplitude
B. frequency
C. timbre
D. wavelength
47. Ilya is enjoying the deep bass coming from her stereo speakers. She remarks, “Listen to the _____ of those sound waves!”
A. low frequency
B. high frequency
C. low amplitude
D. high amplitude
48. Jake has decided to buy a new stereo that produces high-quality sound so that he can pick out all the individual instruments when listening to his classical music CDs. In Jake’s stereo purchase he is most concerned about the _____ of the sound that it produces.
A. loudness
B. timbre
C. pitch
D. compression
49. Vince wants to prove his love to his girlfriend. He was thinking of giving her sunflowers, but on this starry, starry night he decides to cut off one of his outer ears and give it to her. Having taken psychology, Vince’s girlfriend replies, “How sweet, you have given me a(n) _____ from your auditory system.”
A. primary sensory cortex
B. receptor
C. accessory structure
D. transductor
50. Clifford the cat can move his accessory structures for hearing to help him localize the source of even a very faint sound. In other words, unlike most humans, Clifford can move his
A. basilar membrane.
B. stapes.
C. pinnae.
D. organs of Corti.