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.   audition.
C.   touch.
D.   stereognosis.
E.   some types of analgesia.
Question #2
Severe chronic pain in the absence of a recognizable pain stimulus is classified as
A.   psychophysical.
B.   psychophysiological.
C.   neuropathic.
D.   analgesic.
E.   pheromonal.
Question #3
Smell and taste
A.   all of these
B.   are the most well understood of the exteroceptive sensory systems.
C.   combine to produce the sensation of flavor.
D.   have only recently evolved.
Question #4
Much of the interest in the chemical senses stems from the fact that
A.   they play important roles in the social lives of many species.
B.   their anatomy and physiology are well understood.
C.   their physiology is particularly simple.
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.   cribriform plate.
B.   olfactory nucleus.
C.   nose hairs.
D.   olfactory neocortex.
E.   olfactory mucosa.
Question #7
Parts of olfactory receptor cells can be observed
A.   in the olfactory bulb.
B.   in the nasal passages.
C.   all of these
D.   passing through the cribriform plate.
E.   in the olfactory mucosa.
Question #8
For decades, it had been assumed that mammals had only a small number of olfactory
A.   receptor cells.
B.   receptors.
C.   receptor types.
D.   all of these
Question #9
How many types of receptor protein molecules are contained by each olfactory receptor cell?
A.   3
B.   1
C.   7
D.   4
E.   about 300
Question #10
Olfactory receptor cells
A.   each contain three different receptor molecules.
B.   each contain 350 different receptor molecules.
C.   have no axons.
D.   contain no 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.   piriform cortex.
B.   in the orbits.
C.   in the glomeruli.
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.   papillae.
C.   taste buds.
D.   glomeruli.
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; taste receptors; papillae
D.   Taste buds; papillae; taste receptors
E.   Taste receptors; papillae; taste buds
Question #14
Unlike olfactory receptors, each taste receptor has no
A.   receptors.
B.   cytoplasm.
C.   axon.
D.   ion channels.
E.   nucleus.
Question #15
The conventional view that all tastes are encoded by various combinations of activity in five primary taste receptors has a problem:
A.   No receptors have been discovered for salty and sour.
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.   Many tastes cannot be created from combinations of the five current primaries.
Question #16
The primary gustatory cortex is in the
A.   central fissure.
B.   temporal lobe.
C.   lateral fissure.
D.   occipital lobe.
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.   bilateral.
C.   contralateral.
D.   unilateral.
E.   descending.
Question #18
Gustation is to olfaction as
A.   NaCl is to thiamine.
B.   onions are to potatoes.
C.   ageusia is to anosmia.
D.   thalamus is to neocortex.
E.   flavor is to odor.
Question #19
Ageusia is very rare, presumably because
A.   taste information from the mouth is carried via three separate sensory pathways.
B.   olfactory information from the nose is carried via three separate sensory pathways.
C.   the tongue is protected in the mouth.
D.   people have such poor taste to begin with.
E.   olfactory information from the nose is carried via two separate sensory pathways.
Question #20
Endogenous attention is mediated by
A.   bottom-up mechanisms.
B.     
C.   subliminal perception.
D.   recurrent collateral inhibition.
E.   exogenous inhibition.
F.   top-down mechanisms.

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