Question 1

Spinothalamic pain is:

Accepted Answer

A) Fast. 
B) Throbbing. 
C) Well-localized. 
D) Both A and C 
E) All of the above 
A) Fast. 
B) Throbbing. 
C) Well-localized. 
D) Both A and C 
E) All of the above D

Question 2

Stimulation of a peripheral receptor is conveyed to the cell body of a primary neuron located in which one of the following?

Accepted Answer

A) Nucleus gracilis 
B) Nucleus cuneatus 
C) Dorsal root ganglion 
D) Fasciculus gracilis 
E) Fasciculus cuneatus 
A) Nucleus gracilis 
B) Nucleus cuneatus 
C) Dorsal root ganglion 
D) Fasciculus gracilis 
E) Fasciculus cuneatus C

Question 3

What are the four types of somatosensations?

Accepted Answer

A) Movement,touch,temperature,and pain 
B) Speed,pressure,touch,and temperature 
C) Pressure,pain,touch,and temperature 
D) Pain,proprioception,touch,and temperature 
A) Movement,touch,temperature,and pain 
B) Speed,pressure,touch,and temperature 
C) Pressure,pain,touch,and temperature 
D) Pain,proprioception,touch,and temperature D

Question 4

Fast pain occurs before slow pain because fast pain impulses travel on which of the following?

Accepted Answer

A) Larger,unmyelinated axons 
B) Smaller,unmyelinated axons 
C) Larger,myelinated axons 
D) Smaller,myelinated axons 
A) Larger,unmyelinated axons 
B) Smaller,unmyelinated axons 
C) Larger,myelinated axons 
D) Smaller,myelinated axons

Question 5

Spinal axons conveying a signal for conscious somatosensation from the upper limb ascend in which of the following?

Accepted Answer

A) Ventral horn 
B) Fasciculus gracilis 
C) Fasciculus cuneatus 
D) Internal arcuate fibers 
E) Medial lemniscus 
A) Ventral horn 
B) Fasciculus gracilis 
C) Fasciculus cuneatus 
D) Internal arcuate fibers 
E) Medial lemniscus

Question 6

A lesion to which one of the following regions would result in crossed analgesia?

Accepted Answer

A) Dorsal horn of the spinal cord 
B) Peripheral nerves 
C) Medulla or lower pons 
D) Thalamus 
E) Cortex 
A) Dorsal horn of the spinal cord 
B) Peripheral nerves 
C) Medulla or lower pons 
D) Thalamus 
E) Cortex

Question 7

Which one of the following pathways relay high-fidelity,somatotopically arranged information to the cerebellar cortex?

Accepted Answer

A) Posterior spinocerebellar pathway 
B) Anterior spinocerebellar tract 
C) Cuneocerebellar pathway 
D) Rostral spinocerebellar tract 
E) Both A and C 
A) Posterior spinocerebellar pathway 
B) Anterior spinocerebellar tract 
C) Cuneocerebellar pathway 
D) Rostral spinocerebellar tract 
E) Both A and C

Question 8

Which one of the following are ascending tracts by which neurons reach the midbrain,reticular formation,and limbic areas?

Accepted Answer

A) Spinoreticular 
B) Spinomesencephalic 
C) Spinothalamic 
D) All of the above 
A) Spinoreticular 
B) Spinomesencephalic 
C) Spinothalamic 
D) All of the above

Question 9

The anterior spinocerebellar tract transmits information from which of the following?

Accepted Answer

A) Arms and upper half of the body 
B) Legs and the lower half of the body 
C) Cervical spinal cord 
D) Thoracolumbar spinal cord 
A) Arms and upper half of the body 
B) Legs and the lower half of the body 
C) Cervical spinal cord 
D) Thoracolumbar spinal cord

Question 10

Which of the following is the general name for a bundle of axons with the same origin and a common termination?

Accepted Answer

A) Tract 
B) Pathway 
C) Linea 
D) Lamina 
A) Tract 
B) Pathway 
C) Linea 
D) Lamina

Question 11

Which of the following pathways brings sensory information to the brain?

Accepted Answer

A) Conscious relay 
B) Divergent 
C) Unconscious relay 
D) All of the above 
A) Conscious relay 
B) Divergent 
C) Unconscious relay 
D) All of the above

Question 12

Which one of the following is the difference between discriminative touch and conscious proprioception?

Accepted Answer

A) Discriminative touch allows for the localization of touch;conscious proprioception involves the awareness of movement of body parts. 
B) Conscious proprioception allows for localization of touch;discriminative touch involves the awareness of movement of body parts. 
C) No difference exists;these terms are synonymous. 
D) None of the above 
A) Discriminative touch allows for the localization of touch;conscious proprioception involves the awareness of movement of body parts. 
B) Conscious proprioception allows for localization of touch;discriminative touch involves the awareness of movement of body parts. 
C) No difference exists;these terms are synonymous. 
D) None of the above

Question 13

Temperature information is transmitted via pathways to the:

Accepted Answer

A) Reticular formation 
B) Hypothalamus 
C) Subcortical nuclei 
D) All of the above 
A) Reticular formation 
B) Hypothalamus 
C) Subcortical nuclei 
D) All of the above

Question 14

Which of the following statements is true about the homunculus for the somatosensory cortex?

Accepted Answer

A) The homunculus was developed by experimentally recording electrical potentials from cells in the somatosensory cortex during stimulation of various parts of the body. 
B) The area of the homunculus that represents the foot is adjacent to the area for the hand. 
C) The proportions of the homunculus are the same as the proportions of the physical body. 
D) Somatotopic organization is only found in cellular organization of the somatosensory cortex. 
E) The area of the homunculus that represents the torso is adjacent to the area for the face. 
A) The homunculus was developed by experimentally recording electrical potentials from cells in the somatosensory cortex during stimulation of various parts of the body. 
B) The area of the homunculus that represents the foot is adjacent to the area for the hand. 
C) The proportions of the homunculus are the same as the proportions of the physical body. 
D) Somatotopic organization is only found in cellular organization of the somatosensory cortex. 
E) The area of the homunculus that represents the torso is adjacent to the area for the face.

Question 15

The pathways for discriminative touch and conscious proprioception use a three-neuron relay.Which one of the following describes the role of the secondary neuron?

Accepted Answer

A) Conveys information from the receptors to the medulla. 
B) Conveys information from the thalamus to the cerebral cortex. 
C) Conveys information from the thalamus to the medulla. 
D) Conveys information from the medulla to the thalamus. 
A) Conveys information from the receptors to the medulla. 
B) Conveys information from the thalamus to the cerebral cortex. 
C) Conveys information from the thalamus to the medulla. 
D) Conveys information from the medulla to the thalamus.

Question 16

Which of the following is a function of the primary somatosensory cortex?

Accepted Answer

A) Discrimination of the texture of an object 
B) Discrimination of the shape of an object 
C) Stereognosis 
D) Both A and B 
E) A,B,and C 
A) Discrimination of the texture of an object 
B) Discrimination of the shape of an object 
C) Stereognosis 
D) Both A and B 
E) A,B,and C

Question 17

The ventral posterolateral (VPL)nucleus of the thalamus is the site of synapse for:

Accepted Answer

A) First-order neurons of the dorsal column/medial lemniscus system. 
B) Second-order neurons with their cell bodies in the nucleus cuneatus and/or nucleus gracilis. 
C) Third-order neurons with their cell bodies in the spinal nucleus of the trigeminal cranial nerve. 
D) Second-order neurons with their cell bodies in the nucleus dorsalis (Clarke's nucleus). 
E) Third-order neuron with their cell body the lateral cuneate nucleus. 
A) First-order neurons of the dorsal column/medial lemniscus system. 
B) Second-order neurons with their cell bodies in the nucleus cuneatus and/or nucleus gracilis. 
C) Third-order neurons with their cell bodies in the spinal nucleus of the trigeminal cranial nerve. 
D) Second-order neurons with their cell bodies in the nucleus dorsalis (Clarke's nucleus). 
E) Third-order neuron with their cell body the lateral cuneate nucleus.

Question 18

Cell bodies of second-order neurons conveying a signal for conscious proprioceptive information from the lower limb are located in which of the following?

Accepted Answer

A) Dorsal root ganglion 
B) Fasciculus cuneatus 
C) Somatosensory cerebral cortex 
D) Nucleus gracilis 
E) Medial lemniscus 
A) Dorsal root ganglion 
B) Fasciculus cuneatus 
C) Somatosensory cerebral cortex 
D) Nucleus gracilis 
E) Medial lemniscus

Question 19

Activity of the medial pain system elicits which of the following types of responses?

Accepted Answer

A) Affective 
B) Arousal 
C) Autonomic 
D) All of the above 
A) Affective 
B) Arousal 
C) Autonomic 
D) All of the above

Question 20

Rapidly turning the eyes and head toward a painful stimulus is a function of which one of the following tracts?

Accepted Answer

A) Trigeminoreticulolimbic 
B) Spinoreticular 
C) Spinomesencephalic 
D) Trigeminospinothalamic 
E) Dorsal column medial lemniscus 
A) Trigeminoreticulolimbic 
B) Spinoreticular 
C) Spinomesencephalic 
D) Trigeminospinothalamic 
E) Dorsal column medial lemniscus

Spinothalamic pain is:

Stimulation of a peripheral receptor is conveyed to the cell body of a primary neuron located in which one of the following?

What are the four types of somatosensations?

Fast pain occurs before slow pain because fast pain impulses travel on which of the following?

Spinal axons conveying a signal for conscious somatosensation from the upper limb ascend in which of the following?

A lesion to which one of the following regions would result in crossed analgesia?

Which one of the following pathways relay high-fidelity,somatotopically arranged information to the cerebellar cortex?

Which one of the following are ascending tracts by which neurons reach the midbrain,reticular formation,and limbic areas?

The anterior spinocerebellar tract transmits information from which of the following?

Which of the following is the general name for a bundle of axons with the same origin and a common termination?

Which of the following pathways brings sensory information to the brain?

Which one of the following is the difference between discriminative touch and conscious proprioception?

Temperature information is transmitted via pathways to the:

Which of the following statements is true about the homunculus for the somatosensory cortex?

The pathways for discriminative touch and conscious proprioception use a three-neuron relay.Which one of the following describes the role of the secondary neuron?

Which of the following is a function of the primary somatosensory cortex?

The ventral posterolateral (VPL)nucleus of the thalamus is the site of synapse for:

Cell bodies of second-order neurons conveying a signal for conscious proprioceptive information from the lower limb are located in which of the following?

Activity of the medial pain system elicits which of the following types of responses?

Rapidly turning the eyes and head toward a painful stimulus is a function of which one of the following tracts?

Introduction to Neuroscience

Physical and Electrical Properties of Cells in the Nervous System

Synapses and Synaptic Transmission

Neuroplasticity

Development of the Nervous System

Somatosensation: Clinical Application

Neuropathic Pain, pain Matrix Dysfunction, and Pain Syndromes

Autonomic Nervous System

The Motor System: Motor Neurons

Basal Ganglia, cerebellum, and Movement

Peripheral Nervous System

Spinal Region

Cranial Nerves

Brainstem Region

Vestibular and Visual Systems

Cerebrum

Cerebrum: Clinical Applications

Support Systems: Blood Supply and Cerebrospinal Fluid System

Filters

Exam 6: Somatosensory System

Spinothalamic pain is:

Stimulation of a peripheral receptor is conveyed to the cell body of a primary neuron located in which one of the following?

What are the four types of somatosensations?

Fast pain occurs before slow pain because fast pain impulses travel on which of the following?

Spinal axons conveying a signal for conscious somatosensation from the upper limb ascend in which of the following?

A lesion to which one of the following regions would result in crossed analgesia?

Which one of the following pathways relay high-fidelity,somatotopically arranged information to the cerebellar cortex?

Which one of the following are ascending tracts by which neurons reach the midbrain,reticular formation,and limbic areas?

The anterior spinocerebellar tract transmits information from which of the following?

Which of the following is the general name for a bundle of axons with the same origin and a common termination?

Which of the following pathways brings sensory information to the brain?

Which one of the following is the difference between discriminative touch and conscious proprioception?

Temperature information is transmitted via pathways to the:

Which of the following statements is true about the homunculus for the somatosensory cortex?

The pathways for discriminative touch and conscious proprioception use a three-neuron relay.Which one of the following describes the role of the secondary neuron?

Which of the following is a function of the primary somatosensory cortex?

The ventral posterolateral (VPL)nucleus of the thalamus is the site of synapse for:

Cell bodies of second-order neurons conveying a signal for conscious proprioceptive information from the lower limb are located in which of the following?

Activity of the medial pain system elicits which of the following types of responses?

Rapidly turning the eyes and head toward a painful stimulus is a function of which one of the following tracts?

Introduction to Neuroscience

Physical and Electrical Properties of Cells in the Nervous System

Synapses and Synaptic Transmission

Neuroplasticity

Development of the Nervous System

Somatosensation: Clinical Application

Neuropathic Pain, pain Matrix Dysfunction, and Pain Syndromes

Autonomic Nervous System

The Motor System: Motor Neurons

Basal Ganglia, cerebellum, and Movement

Peripheral Nervous System

Spinal Region

Cranial Nerves

Brainstem Region

Vestibular and Visual Systems

Cerebrum

Cerebrum: Clinical Applications

Support Systems: Blood Supply and Cerebrospinal Fluid System

Filters