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

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