Chapter 3&4 Exam Flashcards
Each retina of the eye has about ________ million rods.
100
Which is the BEST description of the skin senses?
They have to do with touch, pressure, temperature, and pain.
The gestalt principle of proximity is the tendency ________.
to perceive objects that are close to each other as part of the same grouping
Receptor cells in the retina responsible for color vision and fine acuity are ________.
cones
Larry has been told by his doctor that he is experiencing ________ due to hair cells that were destroyed as a result of loud sounds.
nerve hearing impairment
The longest wavelengths we can see are experienced as ________ colors.
red
Similarity is the tendency to perceive ________.
things that look similar as being part of the same group
Which condition is an age-related decline in the ability of the lens to accommodate to different distances of visual stimuli?
Presbyopia
The bone that is situated next to the eardrum is called the ________; the bone that sits next to to the oval window is called the ________.
hammer (malleus); stirrup (stapes)
The term photon refers to ________.
a tiny packet of light waves
When you first put your hat on, you can feel it quite easily, but after a while, you forget that you are wearing a hat at all—the sensation is gone. What happens?
habituation
Where are the taste receptors located?
on the taste buds
Visual distance and depth cues that require the use of both eyes are called ________.
binocular cues
Closing your eyes and then touching your nose with your forefinger most accurately illustrates which of the following?
kinesthetic sense
The ability to see the world in three dimensions is called ________.
depth perception
Which of the following phenomena is a function of the distribution of the rods and cones in the retina?
A dim star viewed at night may disappear when you look directly at it, but reappear when you look to one side of it.
The minimal stimulus necessary for detection is called the ________, while the smallest noticeable change in a stimulus is referred to as ________.
absolute threshold; difference threshold
Conduction hearing impairment refers to hearing problems that originate in the ________.
eardrum and middle ear
LaVerne looks at the tongue of her friend and sees all kinds of bumps on it. “Girl,” she says, “you sure have a lot of ________.”
papillae
The cilia in the nasal cavity act in a manner similar to taste buds in that they ________.
contain receptor sites that are stimulated by different molecules
We can see a candle flame at 30 miles on a clear, dark night, and we can hear the tick of a watch 20 feet away in a quiet room. These two facts are examples of ________.
absolute thresholds
The process by which outside stimuli, in their various forms of energy, are converted into neural signals is called ________.
transduction
The average person’s skin is about _____.
20 square feet in size
Fluid located in the cochlea is set in motion and causes vibration in the _________.
basilar membrane
