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