Auditory Pathway and Receptors
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Questions and Answers

The cochlear nerve runs together with the vestibular nerve through the internal auditory meatus to enter the brainstem at the cerebral cortex.

False

Dorsal acoustic stria arises from the ventral cochlear nucleus.

False

The ventral acoustic stria constitutes the monaural pathway.

False

The inferior colliculus is the final sensory relay station for auditory information.

<p>False</p> Signup and view all the answers

The primary auditory cortex is anatomically known as the occipital lobe.

<p>False</p> Signup and view all the answers

Wernicke's Area is located in the anterior part of the superior temporal gyrus.

<p>False</p> Signup and view all the answers

The auditory association area is located in the primary auditory cortex.

<p>False</p> Signup and view all the answers

The cochlear ganglion is located at the modiolus of the bony cochlea.

<p>True</p> Signup and view all the answers

Brodmann Areas 41 and 42 are part of the primary and secondary visual areas.

<p>False</p> Signup and view all the answers

Sensorineural hearing loss can result from defects in the receptor, cochlear nerve, brainstem, or cortical connections.

<p>True</p> Signup and view all the answers

Cochlear implants are used to restore sound perception in patients with conductive hearing loss.

<p>False</p> Signup and view all the answers

The Rinne test compares the perception of sounds transmitted by bone conduction to those transmitted by air conduction.

<p>True</p> Signup and view all the answers

A patient with normal hearing would not hear vibrations in air after bone conduction is over during the Rinne test.

<p>False</p> Signup and view all the answers

Cochlear implants transmit sound directly to the brainstem.

<p>False</p> Signup and view all the answers

Trauma can cause sensorineural hearing loss.

<p>True</p> Signup and view all the answers

Aging is a common cause of conductive hearing loss.

<p>False</p> Signup and view all the answers

The Rinne test is used to diagnose bilateral sensorineural hearing loss.

<p>False</p> Signup and view all the answers

Cochlear implants can restore normal hearing in patients with sensorineural hearing loss.

<p>False</p> Signup and view all the answers

The lateral vestibulospinal tract is an inhibitory tract to the extensor motor neurons of the ventral horn of the spinal cord.

<p>False</p> Signup and view all the answers

Damage to the brainstem at the midbrain level results in the loss of facilitatory influences on muscle tone.

<p>True</p> Signup and view all the answers

The pontine reticulospinal tract is involved in maintaining balance and equilibrium.

<p>False</p> Signup and view all the answers

The patient presents with flexion of all the limbs after transection of the brainstem at the midbrain level.

<p>False</p> Signup and view all the answers

The vestibulospinal tracts are responsible for maintaining upright posture.

<p>True</p> Signup and view all the answers

The cerebral cortex has only facilitatory influences on muscle tone.

<p>False</p> Signup and view all the answers

The activity of the vestibulospinal tracts is suppressed by the cerebral cortex.

<p>False</p> Signup and view all the answers

The patient's head and neck are flexed forward after transection of the brainstem at the midbrain level.

<p>False</p> Signup and view all the answers

The pontine reticulospinal tract is an inhibitory tract to the flexor motor neurons of the ventral horn of the spinal cord.

<p>False</p> Signup and view all the answers

Vestibular lesions result in impaired postural adjustments, unsteadiness, and deviation of the eyes to the unaffected side.

<p>False</p> Signup and view all the answers

Unilateral vestibular lesions cause the eyes, head, and body to turn to the unaffected side.

<p>False</p> Signup and view all the answers

The vestibulo-archicerebellar loop projects impulses from the vestibular nuclei to the cerebellum only on one side.

<p>False</p> Signup and view all the answers

Vertigo refers to the illusion or sensation of whirling of the environment only.

<p>False</p> Signup and view all the answers

All patients with vertigo have vestibular disorders.

<p>False</p> Signup and view all the answers

Spontaneous nystagmus is present in patients with dizziness or lightheadedness.

<p>False</p> Signup and view all the answers

Horizontal nystagmus is almost always associated with central lesions involving the vestibular pathway.

<p>False</p> Signup and view all the answers

Vertical nystagmus is characterized by unidirectional movement.

<p>False</p> Signup and view all the answers

The direction of vertical nystagmus does not change with changes in the head position.

<p>False</p> Signup and view all the answers

The head impulse test is used to assess the patient's auditory function.

<p>False</p> Signup and view all the answers

The caloric test involves the use of electrical currents to stimulate the vestibular labyrinth.

<p>False</p> Signup and view all the answers

The rotating chair test is used to assess the patient's response to cold or warm water stimuli.

<p>False</p> Signup and view all the answers

The direction of the motion of the eyes is the same as the direction of nystagmus in the caloric test.

<p>False</p> Signup and view all the answers

The galvanic test is a bedside test used to differentiate peripheral from central causes of vertigo.

<p>False</p> Signup and view all the answers

The vestibular function can be assessed at the bedside.

<p>True</p> Signup and view all the answers

The rotating chair test is used to assess the patient's auditory function.

<p>False</p> Signup and view all the answers

The caloric test involves the use of a revolving chair.

<p>False</p> Signup and view all the answers

The tests for vestibular function are used to determine whether the patient should be hospitalized or managed on an outpatient basis.

<p>True</p> Signup and view all the answers

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