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Post-Test
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1
An awareness of the sensations that are experienced is most accurately referred to as
A)learning.
B)perception.
C)memory.
D)reflex.
E)transduction.
2
Which one of the following is a sensory receptor in mammalian skin?
A)Meissner's corpuscle
B)Hair
C)Ruffini's corpuscle
D)Pacinian corpuscle
E)All of the choices are sensory receptors in mammalian skin.
3
Which of the following statements about temperature or pain detection is correct?
A)Pain receptors are nerve endings in the skin only.
B)There are thermoreceptors in the brain that detect changes in the body's core temperature.
C)Pain receptors can only respond to external stimuli, while temperature receptors can only respond to internal stimuli.
D)The endings of cold receptors are located farther from the surface of the skin than are hot receptors.
E)All of the statements about temperature or pain detection are correct.
4
True or False: An animal like a rattlesnake that can detect infrared radiation under low light conditions will not continue to utilize this type of electromagnetic sensing as its primary sensory mechanism even when light is available.
A)True
B)False
5
Which of the following animals has eyes which only sense the presence or absence of light, and do not form visual images of the environment?
A)Humans
B)Grasshoppers
C)Flatworms
D)Sharks
E)All of these animals have eyes which form visual images of the environment.
6
Olfaction is most accurately defined as the sense of _________________, and gustation is most accurately defined as the sense of ______.
A)touch; sight
B)smell; taste
C)hearing; smell
D)taste; smell
E)taste; hearing
7
List in order the movement of soundwaves through the ear from outer to inner.
  1. Vibration of ossicles
  2. Vibration of tympanic membrane
  3. Vibration of oval window
  4. Vibration of round window
  5. Vestibular and tympanic canals
A)i. iii; iv; v; ii;
B)ii; iv; iii; i; v
C)ii; iii; i; v; iv
D)iv; i; iii; iv; ii
E)ii; i; iv; v; iii
8
Match the type of sensory receptor on the left with the appropriate stimulus on the right.
i: electromagnetic receptorsa.pain
ii:chemoreceptorsb.light
iii: photoreceptorsc.radiation
iv: nociceptorsd. odor
A)i = b; ii = a; iii = d; iv = c
B)i = c; ii = d; iii = b; iv = a
C)i = d; ii = a; iii = b; iv = c
D)i = d; ii = c; iii = b; iv = a
E)i = a; ii = b; iii = c; iv = d
9
Which of the following animals would be least likely to detect environmental changes through a lateral line system?
A)A fish
B)A toad
C)A human
D)All of these animals detect environmental changes through a lateral line system.
E)None of these animals detect environmental changes through a lateral line system.
10
True or False: Longer wavelengths of sound would be perceived as a higher pitched sound.
A)True
B)False
11
Which of the following is not an ossicle?
A)Stapes
B)Malleus
C)Incus
D)Stapes and malleus
E)All of the choices are ossicles
12
Which of the following animals would most likely be capable of hearing the lowest frequency?
A)Bats
B)Humans
C)Toothed whales
D)Baleen whales
E)All of these animals would be capable of hearing the same frequencies.
13
Proprioception is most accurately defined as
A)sensing the position, orientation, and movement of the body.
B)the ability to hear equally well on land and in water.
C)localizing the position of a sound by analyzing the difference in time that it takes for the sound to reach each ear.
D)determining the distance of an object by echolocation.
E)processing multiple frequencies of sound simultaneously.
14
Match the structure in the human eye on the left with the appropriate description on the right.
i: corneaa. strong outer sheath
ii: sclerab. layer of photoreceptors
iii: retinac. thin outer protective layer
A)i = b; ii = a; iii = c
B)i = c; ii = a; iii = b
C)i = a; ii = b; iii = c
D)i = a; ii = c; iii = b
E)i = c; ii = b; iii = a
15
Which of the following statements about single-lens vision is incorrect?
A)Cones are the primary photoreceptor cells in nocturnal animals.
B)The human retina has fewer cones than rods.
C)Sharpness in daylight vision is dependent on the fovea.
D)Rods and cones form synapses but lack axons.
E)All of the statements about single-lens vision are correct.
16
Rods contain opsin proteins known as _________________ and cones contain opsins known as _______________.
A)rhodopsins : conopsins
B)cone pigments : photopsins
C)photopsins : rhodopsins
D)rhodopsins : photopsins
E)photopsins : cone pigments
17
True or False: When visual pigments in a photoreceptor cell absorb a photon, the retinal changes conformation from cis-retinal to trans-retinal.
A)True
B)False
18
Arrange the cells of the human retina from closest to the sclera to farthest from the sclera. i: bipolar cells ii: ganglion cells iii: Horizontal cells iv: photoreceptors
A)ii; iv; i; iii
B)iv; i; ii; iii
C)iii; ii; i; iv
D)iv; iii; i; ii
E)i; iii; iv; ii
19
Each olfactory receptor cell typically expresses how many different types of GPCRs which each recognize specific odor molecules or groups of molecules?
A)1
B)70
C)300
D)600
E)10,000
20
True or False: Umami is an additional taste perception that senses the flavorfullness of foods.
A)True
B)False





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