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 analgesia.
C.   stereognosis.
D.   some types of pain.
E.   touch.
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.   all of these
B.   their anatomy and physiology are well understood.
C.   their physiology is particularly simple.
D.   they play important roles in the social lives of many species.
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.   swabbing it with the vaginal secretions of an ovulating female.
C.   injecting it with estrogen.
D.   injecting it with testosterone.
E.   swabbing it with expensive perfume.
Question #6
Olfactory receptors are embedded in the
A.   olfactory nucleus.
B.   olfactory mucosa.
C.   olfactory neocortex.
D.   cribriform plate.
E.   nose hairs.
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.   in the olfactory bulb.
E.   passing through the cribriform plate.
Question #8
For decades, it had been assumed that mammals had only a small number of olfactory
A.   all of these
B.   receptor types.
C.   receptor cells.
D.   receptors.
Question #9
How many types of receptor protein molecules are contained by each olfactory receptor cell?
A.   3
B.   about 300
C.   4
D.   1
E.   7
Question #10
Olfactory receptor cells
A.   survive for only a few weeks and are replaced by new ones.
B.   each contain 350 different receptor molecules.
C.   contain no receptor molecules.
D.   each contain three different receptor molecules.
E.   have no axons.
Question #11
Although it is somewhat arbitrary, primary olfactory cortex is considered to be
A.   in the thalamus.
B.   in the orbits.
C.   in the glomeruli.
D.   piriform cortex.
E.   olfactory bulbs.
Question #12
Taste receptors typically occur in clusters of 50 to 100. These clusters are called
A.   glomeruli.
B.   taste receptor nuclei.
C.   taste buds.
D.   papillae.
E.   taste mucosas.
Question #13
__________ are found in __________, which are often located around small protuberances called __________.
A.   Papillae; taste receptors; taste buds
B.   Taste buds; taste receptors; papillae
C.   Taste buds; papillae; taste receptors
D.   Taste receptors; papillae; taste buds
E.   Taste receptors; taste buds; papillae
Question #14
Unlike olfactory receptors, each taste receptor has no
A.   receptors.
B.   axon.
C.   cytoplasm.
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.   all of these
B.   Evidence suggests that there may be more than five primary tastes.
C.   Many tastes cannot be created from combinations of the five current primaries.
D.   Thirty receptors have been discovered for bitter.
E.   No receptors have been discovered for salty and sour.
Question #16
The primary gustatory cortex is in the
A.   lateral fissure.
B.   occipital lobe.
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.   unilateral.
B.   contralateral.
C.   bilateral.
D.   ipsilateral.
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.   thalamus is to neocortex.
E.   onions are to potatoes.
Question #19
Ageusia is very rare, presumably because
A.   olfactory information from the nose is carried via two separate sensory pathways.
B.   people have such poor taste to begin with.
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.   the tongue is protected in the mouth.
Question #20
Endogenous attention is mediated by
A.     
B.   exogenous inhibition.
C.   top-down mechanisms.
D.   recurrent collateral inhibition.
E.   subliminal perception.
F.   bottom-up mechanisms.

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