Question 1

When the stereocilia of a vestibular receptor deflect towards its kinocilium, the cell:

Accepted Answer

A)  Depolarises and excites adjoining nerve cells 
B)  Hyperpolarises and inhibits adjoining nerve cells 
C)  Increases firing rate and excites adjoining nerve cells 
D)  Increases firing rate and inhibits adjoining nerve cells 
A)  Depolarises and excites adjoining nerve cells 
B)  Hyperpolarises and inhibits adjoining nerve cells 
C)  Increases firing rate and excites adjoining nerve cells 
D)  Increases firing rate and inhibits adjoining nerve cells A

Question 2

The arousing effects of pain are probably mediated by a projection from the thalamus:

Accepted Answer

A)  To the reticular formation, pons, and midbrain 
B)  To Rexed's lamina II in the spinal cord 
C)  To Brodmann's area 3 
D)  To the cerebellum 
A)  To the reticular formation, pons, and midbrain 
B)  To Rexed's lamina II in the spinal cord 
C)  To Brodmann's area 3 
D)  To the cerebellum A

Question 3

Which of the following is not a projection site for cells in the vestibular nuclei of the brainstem

Accepted Answer

A)  The cerebellum 
B)  The thalamus 
C)  The spinal cord 
D)  The cortex 
A)  The cerebellum 
B)  The thalamus 
C)  The spinal cord 
D)  The cortex D

Question 4

In the vestibular labyrinth:

Accepted Answer

A)  The three semicircular canals all lie in the same plane 
B)  The utricle and saccule are oriented horizontally 
C)  The three semicircular canals are oriented at right-angles 
D)  The utricle and saccule are oriented vertically 
A)  The three semicircular canals all lie in the same plane 
B)  The utricle and saccule are oriented horizontally 
C)  The three semicircular canals are oriented at right-angles 
D)  The utricle and saccule are oriented vertically

Question 5

Which term does not describe angular rotation of the head:

Accepted Answer

A)  Roll 
B)  Yaw 
C)  Pitch 
D)  Vection 
A)  Roll 
B)  Yaw 
C)  Pitch 
D)  Vection

Question 6

The cortical organisation of somatosensory neurons was discovered during brain surgery to relieve:

Accepted Answer

A)  Migraine 
B)  Epilepsy 
C)  Chronic pain 
D)  Neuralgia 
A)  Migraine 
B)  Epilepsy 
C)  Chronic pain 
D)  Neuralgia

Question 7

Which statement is false? Merkel's disks on a small area of the right finger project to cortical cells:

Accepted Answer

A)  That also receive inputs from Meissner corpuscles 
B)  That have both excitatory and inhibitory responses 
C)  Via a relay in the thalamus 
D)  In Brodmann's area 3 
E)  In the somatosensory cortex of the left hemisphere 
A)  That also receive inputs from Meissner corpuscles 
B)  That have both excitatory and inhibitory responses 
C)  Via a relay in the thalamus 
D)  In Brodmann's area 3 
E)  In the somatosensory cortex of the left hemisphere

Question 8

Which sense informs us about the attitude and movement of the head?

Accepted Answer

A)  Kinesthesis 
B)  Proprioception 
C)  Vestibular sense 
D)  Nociception 
A)  Kinesthesis 
B)  Proprioception 
C)  Vestibular sense 
D)  Nociception

Question 9

Which statement about cortical topographic maps of somatosensory space is false?

Accepted Answer

A)  The maps vary across species 
B)  In humans, the part of the map representing the hands contains cells with small receptive fields 
C)  In humans, a relatively small area of the map contains cells with receptive fields on the face 
D)  Moving over the somatosensory cortex from left ear to right, systematically maps the right then left sides of the body 
A)  The maps vary across species 
B)  In humans, the part of the map representing the hands contains cells with small receptive fields 
C)  In humans, a relatively small area of the map contains cells with receptive fields on the face 
D)  Moving over the somatosensory cortex from left ear to right, systematically maps the right then left sides of the body

Question 10

Which pathway from the vestibular nuclei uses signals from the semicircular canals to mediate reflex movements of the neck and trunk?

Accepted Answer

A)  Vestibulo-spinal system 
B)  Vestibulo-ocular system 
C)  Vestibulo-thalamic system 
D)  Vestibulo-cerebellar system 
A)  Vestibulo-spinal system 
B)  Vestibulo-ocular system 
C)  Vestibulo-thalamic system 
D)  Vestibulo-cerebellar system

Question 11

Shearing force in the otolith organs is generated by:

Accepted Answer

A)  Linear velocity 
B)  Rotational velocity 
C)  Rotational acceleration 
D)  Linear acceleration 
A)  Linear velocity 
B)  Rotational velocity 
C)  Rotational acceleration 
D)  Linear acceleration

Question 12

The haptic identification of hand-sized, everyday objects is usually:

Accepted Answer

A)  Rapid (5 sec) and inaccurate 
C)  Unreliable because touch perception is dominated by vision 
D)  Inaccurate because the resolving power of the fingertips low 
A)  Rapid (5 sec) and inaccurate 
C)  Unreliable because touch perception is dominated by vision 
D)  Inaccurate because the resolving power of the fingertips low

Question 13

Vestibular receptors do not play a role in:

Accepted Answer

A)  Signalling body movements at a constant speed 
B)  Reflex actions 
C)  Motion sickness 
D)  Stabilising retinal images 
A)  Signalling body movements at a constant speed 
B)  Reflex actions 
C)  Motion sickness 
D)  Stabilising retinal images

Question 14

Which fluid-filled chambers and canals make up the vestibular labyrinth?

Accepted Answer

A)  One otolith organ and three semicircular canals 
B)  Two otolith organs and three semicircular canals 
C)  Three otolith organs and one semicircular canal 
D)  Three otolith organs and two semicircular canals 
A)  One otolith organ and three semicircular canals 
B)  Two otolith organs and three semicircular canals 
C)  Three otolith organs and one semicircular canal 
D)  Three otolith organs and two semicircular canals

Question 15

The contact of a water drop on the hand can be sensed about half a second before its temperature because:

Accepted Answer

A)  Signals in the lemniscal pathway travel more slowly than those in the spinothalamic pathway 
B)  Signals in the spinothalamic pathway travel more slowly than those in the lemniscal pathway 
C)  Temperature signals are delayed by a relay to the thalamus 
D)  Temperature signals are delayed by a relay in the spinal cord 
A)  Signals in the lemniscal pathway travel more slowly than those in the spinothalamic pathway 
B)  Signals in the spinothalamic pathway travel more slowly than those in the lemniscal pathway 
C)  Temperature signals are delayed by a relay to the thalamus 
D)  Temperature signals are delayed by a relay in the spinal cord

Question 16

Which touch mechanoreceptors have slow temporal responses best suited to signalling stable, unchanging mechanical stimulation?

Accepted Answer

A)  Merkel's disks 
B)  Pacinian corpuscles 
C)  Nociceptors 
D)  Muscle spindles 
A)  Merkel's disks 
B)  Pacinian corpuscles 
C)  Nociceptors 
D)  Muscle spindles

Question 17

How many kinds of receptor under the skin serve the somatosensory system?

Accepted Answer

A)  2 
B)  3 
C)  4 
D)  5 
A)  2 
B)  3 
C)  4 
D)  5

Question 18

Which statement about vestibular receptors is true?

Accepted Answer

A)  They generate action potentials 
B)  They have an onion-like capsule 
C)  They have a high resting potential 
D)  Their stereocilia are all the same length 
A)  They generate action potentials 
B)  They have an onion-like capsule 
C)  They have a high resting potential 
D)  Their stereocilia are all the same length

Question 19

The semicircular canals provide information about:

Accepted Answer

A)  Angular acceleration 
B)  Gravitational vertical 
C)  Linear acceleration 
D)  Pitch, yaw, and roll at constant velocities 
A)  Angular acceleration 
B)  Gravitational vertical 
C)  Linear acceleration 
D)  Pitch, yaw, and roll at constant velocities

Question 20

Which two events can cause an identical response in the otolith organs

Accepted Answer

A)  Linear acceleration and static head tilt 
B)  Linear velocity and static head tilt 
C)  Rotational acceleration and static head tilt 
D)  Rotational velocity and static head tilt 
A)  Linear acceleration and static head tilt 
B)  Linear velocity and static head tilt 
C)  Rotational acceleration and static head tilt 
D)  Rotational velocity and static head tilt

When the stereocilia of a vestibular receptor deflect towards its kinocilium, the cell:

The arousing effects of pain are probably mediated by a projection from the thalamus:

Which of the following is not a projection site for cells in the vestibular nuclei of the brainstem

In the vestibular labyrinth:

Which term does not describe angular rotation of the head:

The cortical organisation of somatosensory neurons was discovered during brain surgery to relieve:

Which statement is false? Merkel's disks on a small area of the right finger project to cortical cells:

Which sense informs us about the attitude and movement of the head?

Which statement about cortical topographic maps of somatosensory space is false?

Which pathway from the vestibular nuclei uses signals from the semicircular canals to mediate reflex movements of the neck and trunk?

Shearing force in the otolith organs is generated by:

The haptic identification of hand-sized, everyday objects is usually:

Vestibular receptors do not play a role in:

Which fluid-filled chambers and canals make up the vestibular labyrinth?

The contact of a water drop on the hand can be sensed about half a second before its temperature because:

Which touch mechanoreceptors have slow temporal responses best suited to signalling stable, unchanging mechanical stimulation?

How many kinds of receptor under the skin serve the somatosensory system?

Which statement about vestibular receptors is true?

The semicircular canals provide information about:

Which two events can cause an identical response in the otolith organs

General Principles

The Chemical Senses

The Physics and Biology of Audition

Perception of Sound

The Physics of Vision & Light and the Eye

Visual Physiology

Colour Vision

Spatial Vision

Shape and Object Perception

Depth Perception

Visual Motion Perception

Multisensory Processing in Perception

Attention and Perception

Individual Differences in Perception

Filters

Exam 3: The Body Senses

When the stereocilia of a vestibular receptor deflect towards its kinocilium, the cell:

The arousing effects of pain are probably mediated by a projection from the thalamus:

Which of the following is not a projection site for cells in the vestibular nuclei of the brainstem

In the vestibular labyrinth:

Which term does not describe angular rotation of the head:

The cortical organisation of somatosensory neurons was discovered during brain surgery to relieve:

Which statement is false? Merkel's disks on a small area of the right finger project to cortical cells:

Which sense informs us about the attitude and movement of the head?

Which statement about cortical topographic maps of somatosensory space is false?

Which pathway from the vestibular nuclei uses signals from the semicircular canals to mediate reflex movements of the neck and trunk?

Shearing force in the otolith organs is generated by:

The haptic identification of hand-sized, everyday objects is usually:

Vestibular receptors do not play a role in:

Which fluid-filled chambers and canals make up the vestibular labyrinth?

The contact of a water drop on the hand can be sensed about half a second before its temperature because:

Which touch mechanoreceptors have slow temporal responses best suited to signalling stable, unchanging mechanical stimulation?

How many kinds of receptor under the skin serve the somatosensory system?

Which statement about vestibular receptors is true?

The semicircular canals provide information about:

Which two events can cause an identical response in the otolith organs

General Principles

The Chemical Senses

The Physics and Biology of Audition

Perception of Sound

The Physics of Vision & Light and the Eye

Visual Physiology

Colour Vision

Spatial Vision

Shape and Object Perception

Depth Perception

Visual Motion Perception

Multisensory Processing in Perception

Attention and Perception

Individual Differences in Perception

Filters