Psychology 103 - Physiological Psychology » Spring 2022 » Chapter 7 Quiz 2
Need help with your exam preparation?
Get Answers to this exam for $6 USD.
Get Answers to all exams in [ Psychology 103 - Physiological Psychology ] course for $25 USD.
Existing Quiz Clients Login here
Question #1
The perception of both pain and changes in skin temperature are largely mediated by
A.
temperoceptors.
B.
free nerve endings.
C.
red corpuscles.
D.
Pacinian corpuscles.
E.
nociceptors.
Question #2
The Pacinian corpuscle is
A.
the largest cutaneous receptor.
B.
the most deeply positioned cutaneous receptor.
C.
all of these
D.
fast adapting.
E.
none of these
Question #3
The area of the body that is innervated by the left and right dorsal roots of a given segment of the spinal cord is one
A.
dermatome.
B.
stereognosis.
C.
none of these
D.
Ruffini ending.
E.
region of glabrous skin.
Question #4
The destruction of a single dorsal root typically produces little somatosensory loss because
A.
B.
the dorsal roots accurately regenerate.
C.
there are few cutaneous receptors in the back.
D.
the somatosensory system has a motor component.
E.
the dorsal roots soon degenerate.
F.
there is considerable overlap of projections from adjacent dermatomes.
Question #5
The dorsal-column medial-lemniscus system and the anterolateral system both carry sensory information from the
A.
eyes.
B.
mouth.
C.
ears.
D.
nose.
E.
skin.
Question #6
The dorsal-column medial-lemniscus system is particularly responsive to
A.
motor output.
B.
sound and movement.
C.
pain and temperature.
D.
touch and proprioception.
E.
tickle and temperature.
Question #7
The longest neuron in the human body
A.
all of these
B.
is a finger neuron.
C.
is part of the anterolateral system.
D.
is a somatosensory neuron with one end in a toe and the other in the dorsal column nuclei.
E.
has its cell body in the spinal cord.
Question #8
Most of the neurons of the anterolateral system decussate in the
A.
spinal cord.
B.
midbrain.
C.
corpus callosum.
D.
lower brain stem.
E.
medulla.
Question #9
The anterolateral system comprises the
A.
spinoreticular tract.
B.
spinotectal tract.
C.
spinothalamic tract.
D.
all of these
Question #10
The ventral posterior nuclei of the thalamus receive direct input from the
A.
all of these
B.
spinotectal tract.
C.
spinoreticular tract.
D.
dorsal-column medial-lemniscus system.
Question #11
Primary somatosensory cortex is in the
A.
frontal lobe.
B.
occipital lobe.
C.
postcentral gyrus.
D.
precentral gyrus.
Question #12
Much of SII is
A.
all of these
B.
adjacent to SI.
C.
in the parietal cortex.
D.
in the lateral fissure.
Question #13
Some of the primary somatosensory cortex is in the
A.
central fissure.
B.
all of these
C.
lateral fissure.
D.
longitudinal fissure.
Question #14
The inability to identify objects by touch is
A.
astereognosia.
B.
anosognosia.
C.
apraxia.
D.
asomatognosia.
E.
stereognosis.
Question #15
Hemispherectomized patients feel
A.
no pain from the ipsilateral side of the body.
B.
pain from both sides of the body.
C.
no pain.
D.
none of these
E.
no pain from the contralateral side of the body.
Question #16
Evidence for the existence of a descending pain-control circuit came from the finding that
A.
some opiates are endogenous.
B.
none of these
C.
stimulation of the PAG produces analgesia.
D.
the PAG contains opiate receptors.
E.
all of these
Question #17
The descending PAG-raphé-dorsal-column circuit has been hypothesized to mediate
A.
touch.
B.
audition.
C.
some types of pain.
D.
stereognosis.
E.
some types of analgesia.
Need help with your exam preparation?
Get Answers to this exam for $6 USD.
Get Answers to all exams in [ Psychology 103 - Physiological Psychology ] course for $25 USD.
Existing Quiz Clients Login here