PSYC 273 -QUIZZES REVIEW (EXAM 2)
Which of the following body parts are not highly represented on the sensory homunculus? -
answers-Eyes
The brain recognizes action potentials from different sensory modalities as separate and distinct
because: - answers-Action potentials from different sensory modalities are carried on different
nerve tracts.
The generator potential produced by a Pacinian corpuscle in response to mechanical
stimulation is: - answers-Proportional to stimulus intensity
While walking barefoot on gravel, which receptor allows you to feel the texture of the gravel
pressing into your feet? - answers-Pacinian corpuscles
Which statement about the receptive field of a sensory neuron on skin is true? - answers-
Receptive fields of sensory neurons have a characteristic shape with excitatory and inhibitory
regions.
Which of the following is involved in pain pathways in the spinal cord? - answers-Substance P
Afferent fibers from the periphery that carry nociceptive information terminate on neurons in
the: - answers-Dorsal horn cells of the spinal cord.
Jane is experiencing some shoulder pain, and her doctor prescribes a treatment that involves
stimulating the nerves adjacent to her site of pain. This type of treatment is called: - answers-
Transcutaneous electrical nerve stimulation (TENS)
1
, Capsaicin found in many spicy foods, primarily activates which of the following receptors? -
answers-TRPV1
Eddie just learned that the medication he has been taking has no known pharmaceutical effects
but has still been alleviating his symptoms. This medications effect are best known as: -
answers-A placebo
Hertz (Hz) is the unit used to measure _________ of sound waves, which is perceived as
______. - answers-Frequency; pitch
Which of the following is not accurate with respect to the neural connections with hair cells? -
answers-OHC afferents convey messages from the hair cells to the basilar membrane
influencing pitch perception
Prolonged exposure to loud noises is most likely to result in: - answers-Sensorineural deafness
Compared to the low pitch of a tuba the high pitch of a flute is likely to: - answers-Activate the
base of the basilar membrane more
Which of the following structures is not part of the external or middle ear? - answers-Organ of
Corti
The tensor tympani and stapedius muscles are essentials for: - answers-protecting the auditory
system form intense sounds, adjusting the tension of the eardrum to incoming sounds
Each level of the auditory system shows_______ mapping. - answers-Tonotopic
2
Which of the following body parts are not highly represented on the sensory homunculus? -
answers-Eyes
The brain recognizes action potentials from different sensory modalities as separate and distinct
because: - answers-Action potentials from different sensory modalities are carried on different
nerve tracts.
The generator potential produced by a Pacinian corpuscle in response to mechanical
stimulation is: - answers-Proportional to stimulus intensity
While walking barefoot on gravel, which receptor allows you to feel the texture of the gravel
pressing into your feet? - answers-Pacinian corpuscles
Which statement about the receptive field of a sensory neuron on skin is true? - answers-
Receptive fields of sensory neurons have a characteristic shape with excitatory and inhibitory
regions.
Which of the following is involved in pain pathways in the spinal cord? - answers-Substance P
Afferent fibers from the periphery that carry nociceptive information terminate on neurons in
the: - answers-Dorsal horn cells of the spinal cord.
Jane is experiencing some shoulder pain, and her doctor prescribes a treatment that involves
stimulating the nerves adjacent to her site of pain. This type of treatment is called: - answers-
Transcutaneous electrical nerve stimulation (TENS)
1
, Capsaicin found in many spicy foods, primarily activates which of the following receptors? -
answers-TRPV1
Eddie just learned that the medication he has been taking has no known pharmaceutical effects
but has still been alleviating his symptoms. This medications effect are best known as: -
answers-A placebo
Hertz (Hz) is the unit used to measure _________ of sound waves, which is perceived as
______. - answers-Frequency; pitch
Which of the following is not accurate with respect to the neural connections with hair cells? -
answers-OHC afferents convey messages from the hair cells to the basilar membrane
influencing pitch perception
Prolonged exposure to loud noises is most likely to result in: - answers-Sensorineural deafness
Compared to the low pitch of a tuba the high pitch of a flute is likely to: - answers-Activate the
base of the basilar membrane more
Which of the following structures is not part of the external or middle ear? - answers-Organ of
Corti
The tensor tympani and stapedius muscles are essentials for: - answers-protecting the auditory
system form intense sounds, adjusting the tension of the eardrum to incoming sounds
Each level of the auditory system shows_______ mapping. - answers-Tonotopic
2
