Deck 5: Neurosensory Organization of Speech and Hearing

Question 1

Sensations of pain and temperature are processed in the:

A)lateral spinothalamic tract
B)dorsal column pathway
C)spinocerebellar tract
D)anterolateral tract
E)both A and D

Answer 1

E
The lateral spinothalamic tract processes pain,temperature,pressure,and touch.It has also been described as the anterolateral tract.

Question 2

Although visual processing requires the interconnectivity of all the pathways and cortical areas,the ___ has been shown to play a role in recognizing familiar faces.

A)pretectal pathway
B)tectal pathway
C)peristriate cortex
D)temporal visual cortex

Answer 2

D
The temporal visual cortex appears to be able to extract patterns from visual stimuli.

Question 3

Which of the following sensory receptors are responsible for detecting muscle movement?

A)exteroceptors
B)proprioceptors
C)interoceptors
D)nociceptors

Answer 3

B
The proprioceptors detect muscle movement,as well as vibration,deep pain,and equilibrium.

Question 4

Which of these structures contributes to articulation?

A)free endings in the mucosa
B)periodontal receptors in the teeth
C)mechanoreceptors in the tip of the tongue
D)mechanoreceptors in the back of the tongue
E)both B and C

Question 5

In order for __ to be stimulated in the visual cortex,an object must be of a particular length.

A)simple receptive fields
B)complex receptive fields
C)hypercomplex fields
D)higher order hypercomplex fields

Question 6

Which of the following structures would contain a second-order neuron in the somatic sensory pathway?

A)a spinal nerve
B)a spinal ganglion
C)the dorsolateral fasciculus
D)the lemniscus
E)the ventral posterolateral nucleus of the thalamus

Question 7

A child who recoils at the touch of a feather likely has:

A)hypoesthesia
B)hyperesthesia
C)anesthesia
D)atopognosis
E)astereognosis

Question 8

Which of the following could be said to be true of agnosia?

A)It can occur in one sensory modality.
B)It is caused by a lesion to a unimodal cortical area.
C)It results in destruction of sensory receptors.
D)It is a fairly common disorder.
E)It is characterized by unfamiliarity of common objects.

Question 9

A patient with a left cortical lesion to the somatic sensory cortex in the region that has input from the trigeminal nerve would show which of the following symptoms?

A)a loss of touch on the right side of the face
B)a loss of both touch and pain on the right side of the face
C)a loss of pain on the right side of the face
D)a loss of pain on the left side of the face
E)a bilateral loss of pain and touch on the face

Question 10

An insect lands on your face.Which of these structures will help transmit the sense of touch to the somatic sensory cortex?

A)the spinal trigeminal nucleus
B)the main sensory nucleus of the trigeminal nerve
C)the mesencephalic nucleus of the trigeminal nerve
D)the petrosal ganglion
E)the nucleus solitarius

Question 11

Cutaneous sensation would be categorized as a ___ sense in the neurophysiologist's classification scheme.

A)visceral
B)special
C)general
D)special somatic
E)general visceral

Question 12

Which of these structures has been found to have few muscle spindles?

A)the intrinsic muscles of the tongue
B)the interarytenoids
C)the levator veli palatini
D)the lips

Question 13

The inability to determine the location of a tactile stimulation is called:

A)agnosia
B)hypoesthesia
C)anesthesia
D)hypoalgesia
E)atopognosis

Question 14

The unconscious sense of where one body part is in relation to the other in automatic movement sequences is processed in the:

A)lateral spinothalamic tract
B)anterior spinothalamic tract
C)spinocerebellar tract
D)anterolateral tract
E)dorsal column pathway

Question 15

The unimodal cortex includes all of the following areas except:

A)visual cortex
B)auditory cortex
C)association cortex
D)somatosensory cortex
E)A and C

Question 16

Stereoscopic three-dimensional vision is facilitated through the:

A)decussation of the nasal and temporal fibers of each eye at the optic chiasm
B)ipsilateral passage of temporal fibers from each eye to the optic tract
C)processing of visual information in each visual field by the contralateral cortex
D)decussation of the nasal fibers from each eye to the optic tract
E)both B and D

Question 17

A student reaches into a full backpack and is able to retrieve a pencil without looking.This is an example of:

A)two-point discrimination
B)light touch
C)vibratory sensation
D)proprioception
E)form perception

Question 18

An image of an object in the left half of the visual field:

A)will be picked up by photoreceptors in both eyes
B)will be picked up by the nasal fibers of the left retina
C)will be picked up by the temporal fibers of both retinas
D)will travel through the left optic tract fibers
E)Both A and D

Question 19

The first-order neurons in the eyes are called:

A)ganglions
B)photoreceptors
C)amacrine cells
D)bipolar cells
E)both B and D

Question 20

The ___-order neuron of the somatic sensory pathway crosses over to the contralateral side.

A)first
B)second
C)third
D)both second and third

Question 21

The organ of Corti is located in:

A)the scala vestibuli
B)the scala tympani
C)the scala media
D)the basilar membrane
E)Reissner's membrane

Question 22

The outer hair cells:

A)have stereocilia that lie below the tectorial membrane
B)are outnumbered by inner hair cells by 3:1
C)do not have stereocilia
D)are each innervated by up to 20 neurons of the spiral ganglion
E)None of the above describe outer hair cells.

Question 23

Which of these processes does not directly involve the auditory cortex?

A)analysis of frequency
B)localization of sound
C)determining temporal sequencing
D)discrimination of intensity
E)both A and D

Question 24

The __ acts as a transducer,changing physical stimuli into neural impulses.

A)auditory nerve
B)cochlea
C)ossicular chain
D)tympanic membrane
E)oval window

Question 25

A patient has a positive Romberg sign,which means his body sways abnormally with feet together,eyes closed.When the patient opens his eyes,he stops swaying.This means the lesion is in the cerebellum.

Question 26

The fasciculus cuneatus carries information pertaining to light touch from the legs and lower body.

Question 27

A patient with a lesion in the right lateral spinothalamic tract would not be able to feel pain on the left side of the body.

Question 28

Lesions in the ___ may result in visual agnosia.

A)peristriate cortex
B)"where" or dorsal stream pathway
C)"what" or ventral stream pathway
D)hippocampus only

Question 29

Auditory feedback plays a large role in speech production in adults with normal audition.

Question 30

Tonotopic organization is found in:

A)the organ of Corti
B)the basilar membrane
C)the superior olivary complex
D)the inferior colliculi
E)all of the above

Question 31

Which of the following is NOT a characteristic of auditory agnosia?

A)The patient has normal hearing acuity.
B)The condition refers to the inability to identify nonlinguistic stimuli.
C)The lesion resulting in auditory agnosia is unilateral.
D)"Auditory agnosia" has been used refer to the inability to identify linguistic stimuli.
E)None of the above are truE.

Question 32

Efferent innervation to the organ of Corti likely serves to:

A)increase the force of the vibratory stimuli
B)reduce the movement of the inner hair cells
C)inhibit the excitation of the spiral ganglion cells
D)help the inner hair cells respond to specific frequencies

Question 33

The auditory brainstem response tests the integrity of the auditory cortex.

Question 34

Proprioceptive feedback used for speech may differ,depending on the speech sound being produced.