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.   some types of pain.
C.   stereognosis.
D.   some types of analgesia.
E.   touch.
Question #2
Severe chronic pain in the absence of a recognizable pain stimulus is classified as
A.   psychophysiological.
B.   analgesic.
C.   neuropathic.
D.   psychophysical.
E.   pheromonal.
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.   have only recently evolved.
D.   all of these
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 physiology is particularly simple.
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 lemon.
B.   injecting it with testosterone.
C.   swabbing it with the vaginal secretions of an ovulating female.
D.   swabbing it with expensive perfume.
E.   injecting it with estrogen.
Question #6
Olfactory receptors are embedded in the
A.   olfactory mucosa.
B.   olfactory nucleus.
C.   cribriform plate.
D.   nose hairs.
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.   passing through the cribriform plate.
E.   all of these
Question #8
For decades, it had been assumed that mammals had only a small number of olfactory
A.   receptor cells.
B.   receptors.
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.   1
C.   about 300
D.   7
E.   4
Question #10
Olfactory receptor cells
A.   contain no receptor molecules.
B.   survive for only a few weeks and are replaced by new ones.
C.   each contain three different receptor molecules.
D.   each contain 350 different receptor molecules.
E.   have no axons.
Question #11
Although it is somewhat arbitrary, primary olfactory cortex is considered to be
A.   piriform cortex.
B.   in the glomeruli.
C.   in the orbits.
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 buds.
B.   glomeruli.
C.   papillae.
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.   Taste buds; papillae; taste receptors
C.   Papillae; taste receptors; taste buds
D.   Taste buds; taste receptors; papillae
E.   Taste receptors; papillae; taste buds
Question #14
Unlike olfactory receptors, each taste receptor has no
A.   axon.
B.   nucleus.
C.   cytoplasm.
D.   receptors.
E.   ion channels.
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.   No receptors have been discovered for salty and sour.
E.   Evidence suggests that there may be more than five primary tastes.
Question #16
The primary gustatory cortex is in the
A.   occipital lobe.
B.   central fissure.
C.   longitudinal fissure.
D.   lateral fissure.
E.   temporal lobe.
Question #17
Unlike the projections of the other exteroceptive sensory systems, the projections of the gustatory system are primarily
A.   unilateral.
B.   descending.
C.   bilateral.
D.   ipsilateral.
E.   contralateral.
Question #18
Gustation is to olfaction as
A.   flavor is to odor.
B.   NaCl is to thiamine.
C.   thalamus is to neocortex.
D.   onions are to potatoes.
E.   ageusia is to anosmia.
Question #19
Ageusia is very rare, presumably because
A.   the tongue is protected in the mouth.
B.   olfactory information from the nose is carried via three separate sensory pathways.
C.   people have such poor taste to begin with.
D.   olfactory information from the nose is carried via two separate sensory pathways.
E.   taste information from the mouth is carried via three separate sensory pathways.
Question #20
Endogenous attention is mediated by
A.     
B.   subliminal perception.
C.   bottom-up mechanisms.
D.   recurrent collateral inhibition.
E.   exogenous inhibition.
F.   top-down mechanisms.

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