Psychology 103 - Physiological Psychology » Spring 2022 » Chapter 7 Quiz 3
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Question #1
The descending PAG-raphé-dorsal-column circuit has been hypothesized to mediate
A.
some types of pain.
B.
stereognosis.
C.
touch.
D.
audition.
E.
some types of analgesia.
Question #2
Severe chronic pain in the absence of a recognizable pain stimulus is classified as
A.
neuropathic.
B.
analgesic.
C.
psychophysical.
D.
pheromonal.
E.
psychophysiological.
Question #3
Smell and taste
A.
combine to produce the sensation of flavor.
B.
have only recently evolved.
C.
are the most well understood of the exteroceptive sensory systems.
D.
all of these
Question #4
Much of the interest in the chemical senses stems from the fact that
A.
all of these
B.
they play important roles in the social lives of many species.
C.
their physiology is particularly simple.
D.
their anatomy and physiology are well understood.
Question #5
In one experiment, a male hamster intruder was converted from the object of assassination to an object of lust by
A.
swabbing it with expensive perfume.
B.
injecting it with testosterone.
C.
swabbing it with the vaginal secretions of an ovulating female.
D.
injecting it with estrogen.
E.
swabbing it with lemon.
Question #6
Olfactory receptors are embedded in the
A.
cribriform plate.
B.
nose hairs.
C.
olfactory nucleus.
D.
olfactory neocortex.
E.
olfactory mucosa.
Question #7
Parts of olfactory receptor cells can be observed
A.
passing through the cribriform plate.
B.
in the olfactory bulb.
C.
all of these
D.
in the olfactory mucosa.
E.
in the nasal passages.
Question #8
For decades, it had been assumed that mammals had only a small number of olfactory
A.
receptors.
B.
all of these
C.
receptor types.
D.
receptor cells.
Question #9
How many types of receptor protein molecules are contained by each olfactory receptor cell?
A.
7
B.
about 300
C.
1
D.
3
E.
4
Question #10
Olfactory receptor cells
A.
contain no receptor molecules.
B.
each contain three different receptor molecules.
C.
each contain 350 different receptor molecules.
D.
survive for only a few weeks and are replaced by new ones.
E.
have no axons.
Question #11
Although it is somewhat arbitrary, primary olfactory cortex is considered to be
A.
olfactory bulbs.
B.
piriform cortex.
C.
in the orbits.
D.
in the glomeruli.
E.
in the thalamus.
Question #12
Taste receptors typically occur in clusters of 50 to 100. These clusters are called
A.
papillae.
B.
taste buds.
C.
glomeruli.
D.
taste receptor nuclei.
E.
taste mucosas.
Question #13
__________ are found in __________, which are often located around small protuberances called __________.
A.
Taste receptors; taste buds; papillae
B.
Papillae; taste receptors; taste buds
C.
Taste buds; papillae; taste receptors
D.
Taste buds; taste receptors; papillae
E.
Taste receptors; papillae; taste buds
Question #14
Unlike olfactory receptors, each taste receptor has no
A.
cytoplasm.
B.
ion channels.
C.
axon.
D.
nucleus.
E.
receptors.
Question #15
The conventional view that all tastes are encoded by various combinations of activity in five primary taste receptors has a problem:
A.
Evidence suggests that there may be more than five primary tastes.
B.
Many tastes cannot be created from combinations of the five current primaries.
C.
Thirty receptors have been discovered for bitter.
D.
No receptors have been discovered for salty and sour.
E.
all of these
Question #16
The primary gustatory cortex is in the
A.
occipital lobe.
B.
lateral fissure.
C.
longitudinal fissure.
D.
temporal lobe.
E.
central fissure.
Question #17
Unlike the projections of the other exteroceptive sensory systems, the projections of the gustatory system are primarily
A.
unilateral.
B.
bilateral.
C.
descending.
D.
contralateral.
E.
ipsilateral.
Question #18
Gustation is to olfaction as
A.
NaCl is to thiamine.
B.
onions are to potatoes.
C.
ageusia is to anosmia.
D.
flavor is to odor.
E.
thalamus is to neocortex.
Question #19
Ageusia is very rare, presumably because
A.
people have such poor taste to begin with.
B.
olfactory information from the nose is carried via three separate sensory pathways.
C.
taste information from the mouth is carried via three separate sensory pathways.
D.
olfactory information from the nose is carried via two separate sensory pathways.
E.
the tongue is protected in the mouth.
Question #20
Endogenous attention is mediated by
A.
subliminal perception.
B.
recurrent collateral inhibition.
C.
bottom-up mechanisms.
D.
exogenous inhibition.
E.
F.
top-down mechanisms.
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