Question 1

Dorsal rhizotomy is the selective surgical ablation of which of the following?

Accepted Answer

A) Dorsal horn neurons 
B) Posterior commissural axons 
C) Dorsal roots 
D) Dorsal columns 
E) Nucleus dorsalis 
A) Dorsal horn neurons 
B) Posterior commissural axons 
C) Dorsal roots 
D) Dorsal columns 
E) Nucleus dorsalis C

Question 2

Cerebrospinal fluid is found between which one of the following layers of the meninges?

Accepted Answer

A) Pia mater and arachnoid 
B) Arachnoid and dura mater 
C) Pia mater and dura mater 
D) None of the above 
A) Pia mater and arachnoid 
B) Arachnoid and dura mater 
C) Pia mater and dura mater 
D) None of the above A

Question 3

Interneurons serve which one of the following functions?

Accepted Answer

A) Modulation of sensory information 
B) Coordination of motor activity 
C) Autonomic regulation 
D) All of the above 
A) Modulation of sensory information 
B) Coordination of motor activity 
C) Autonomic regulation 
D) All of the above D

Question 4

Which one of the following spinal cord laminae contains cell bodies of lower motor neurons?

Accepted Answer

A) VIII 
B) IX 
C) X 
D) Both A and B 
A) VIII 
B) IX 
C) X 
D) Both A and B

Question 5

Reciprocal activation of a stepping pattern generator (SPG)is thought to be coordinated by signals conveyed in the:

Accepted Answer

A) DCML. 
B) Golgi tendon organs (GTOs). 
C) Posterior commissure of spinal cord. 
D) Anterior commissure of spinal cord. 
E) Ventral horn gamma motor neurons. 
A) DCML. 
B) Golgi tendon organs (GTOs). 
C) Posterior commissure of spinal cord. 
D) Anterior commissure of spinal cord. 
E) Ventral horn gamma motor neurons.

Question 6

Autonomic dysreflexia is characterized by which one of the following?

Accepted Answer

A) Abrupt decrease in blood pressure because of sympathetic vasoconstriction 
B) Abrupt increase in blood pressure and pounding headache 
C) Profuse sweating below the level of the lesion 
D) Excessive activation of the parasympathetic nervous system 
E) Excessive shivering associated with hyperthermia 
A) Abrupt decrease in blood pressure because of sympathetic vasoconstriction 
B) Abrupt increase in blood pressure and pounding headache 
C) Profuse sweating below the level of the lesion 
D) Excessive activation of the parasympathetic nervous system 
E) Excessive shivering associated with hyperthermia

Question 7

Loss of pain and temperature sensation in a capelike distribution over the shoulders,lower limb paresis,hyperreflexia,and loss of bowel and bladder function are characteristic of which of the following?

Accepted Answer

A) Multiple sclerosis 
B) Cervical spondylosis 
C) Meningomyelocele 
D) Syringomyelia 
E) Erb's paralysis 
A) Multiple sclerosis 
B) Cervical spondylosis 
C) Meningomyelocele 
D) Syringomyelia 
E) Erb's paralysis

Question 8

Vertebral canal stenosis is associated with which one of the following?

Accepted Answer

A) Narrowing of the vertebral canal caused by bone growth or tissue hypertrophy 
B) Compression of neural and vascular structures of the spinal cord 
C) Radiating pain with numbness and loss of proprioception 
D) All of the above 
E) None of the above 
A) Narrowing of the vertebral canal caused by bone growth or tissue hypertrophy 
B) Compression of neural and vascular structures of the spinal cord 
C) Radiating pain with numbness and loss of proprioception 
D) All of the above 
E) None of the above

Question 9

After a complete spinal cord injury affecting S2-4,a bladder that cannot be emptied is which of the following?

Accepted Answer

A) Hypertonic and hyperreflexive 
B) Flaccid and paralyzed 
C) Spastic 
D) Autoreflexive 
E) None of the above 
A) Hypertonic and hyperreflexive 
B) Flaccid and paralyzed 
C) Spastic 
D) Autoreflexive 
E) None of the above

Question 10

The lateral horn contains which of the following?

Accepted Answer

A) Preganglionic parasympathetic cell bodies 
B) Preganglionic sympathetic cell bodies 
C) Postganglionic parasympathetic cell bodies 
D) Postganglionic sympathetic cell bodies 
A) Preganglionic parasympathetic cell bodies 
B) Preganglionic sympathetic cell bodies 
C) Postganglionic parasympathetic cell bodies 
D) Postganglionic sympathetic cell bodies

Question 11

Which one of the following is NOT a sign of an upper motor neuron lesion?

Accepted Answer

A) Muscle paresis 
B) Hyperreflexia 
C) Muscle fasciculations 
D) Positive Babinski's sign 
E) Spasticity 
A) Muscle paresis 
B) Hyperreflexia 
C) Muscle fasciculations 
D) Positive Babinski's sign 
E) Spasticity

Question 12

Complete spinal cord lesions above which one of the following levels results in long-term ventilator dependence?

Accepted Answer

A) C4 
B) C5 
C) C6 
D) C7 
E) All of the above 
A) C4 
B) C5 
C) C6 
D) C7 
E) All of the above

Question 13

Loss of descending sympathetic control as a result of complete spinal cord lesions above T6 result in which of the following?

Accepted Answer

A) Orthostatic hypotension 
B) Autonomic dysreflexia 
C) Poor thermoregulation 
D) Both A and B 
E) A,B,and,C 
A) Orthostatic hypotension 
B) Autonomic dysreflexia 
C) Poor thermoregulation 
D) Both A and B 
E) A,B,and,C

Question 14

Which one of the following spinal cord laminae process noxious sensory information?

Accepted Answer

A) Marginal layer 
B) Substantia gelatinosa 
C) Nucleus proprius 
D) Both A and B 
A) Marginal layer 
B) Substantia gelatinosa 
C) Nucleus proprius 
D) Both A and B

Question 15

Klumpke's paralysis is the result of which of the following?

Accepted Answer

A) Avulsion of the C5 to C6 ventral roots 
B) Mechanical irritation of the C7 to C8 dorsal roots 
C) Traction force applied to the cervico-occipital region 
D) Lesion of the dorsal root ganglion because of a herniated disk 
E) Avulsion of the C8 through T1 motor nerve roots 
A) Avulsion of the C5 to C6 ventral roots 
B) Mechanical irritation of the C7 to C8 dorsal roots 
C) Traction force applied to the cervico-occipital region 
D) Lesion of the dorsal root ganglion because of a herniated disk 
E) Avulsion of the C8 through T1 motor nerve roots

Question 16

Which one of the following exits the spinal cord through the ventral root?

Accepted Answer

A) Sensory neurons 
B) Sympathetic preganglionic neurons 
C) Lower motor neurons 
D) Both B and C 
A) Sensory neurons 
B) Sympathetic preganglionic neurons 
C) Lower motor neurons 
D) Both B and C

Dorsal rhizotomy is the selective surgical ablation of which of the following?

Cerebrospinal fluid is found between which one of the following layers of the meninges?

Interneurons serve which one of the following functions?

Which one of the following spinal cord laminae contains cell bodies of lower motor neurons?

Reciprocal activation of a stepping pattern generator (SPG)is thought to be coordinated by signals conveyed in the:

Autonomic dysreflexia is characterized by which one of the following?

Loss of pain and temperature sensation in a capelike distribution over the shoulders,lower limb paresis,hyperreflexia,and loss of bowel and bladder function are characteristic of which of the following?

Vertebral canal stenosis is associated with which one of the following?

After a complete spinal cord injury affecting S2-4,a bladder that cannot be emptied is which of the following?

The lateral horn contains which of the following?

Which one of the following is NOT a sign of an upper motor neuron lesion?

Complete spinal cord lesions above which one of the following levels results in long-term ventilator dependence?

Loss of descending sympathetic control as a result of complete spinal cord lesions above T6 result in which of the following?

Which one of the following spinal cord laminae process noxious sensory information?

Klumpke's paralysis is the result of which of the following?

Which one of the following exits the spinal cord through the ventral root?

Introduction to Neuroscience

Physical and Electrical Properties of Cells in the Nervous System

Synapses and Synaptic Transmission

Neuroplasticity

Development of the Nervous System

Somatosensory 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

Cranial Nerves

Brainstem Region

Vestibular and Visual Systems

Cerebrum

Cerebrum: Clinical Applications

Support Systems: Blood Supply and Cerebrospinal Fluid System

Filters

Exam 13: Spinal Region

Dorsal rhizotomy is the selective surgical ablation of which of the following?

Cerebrospinal fluid is found between which one of the following layers of the meninges?

Interneurons serve which one of the following functions?

Which one of the following spinal cord laminae contains cell bodies of lower motor neurons?

Reciprocal activation of a stepping pattern generator (SPG)is thought to be coordinated by signals conveyed in the:

Autonomic dysreflexia is characterized by which one of the following?

Loss of pain and temperature sensation in a capelike distribution over the shoulders,lower limb paresis,hyperreflexia,and loss of bowel and bladder function are characteristic of which of the following?

Vertebral canal stenosis is associated with which one of the following?

After a complete spinal cord injury affecting S2-4,a bladder that cannot be emptied is which of the following?

The lateral horn contains which of the following?

Which one of the following is NOT a sign of an upper motor neuron lesion?

Complete spinal cord lesions above which one of the following levels results in long-term ventilator dependence?

Loss of descending sympathetic control as a result of complete spinal cord lesions above T6 result in which of the following?

Which one of the following spinal cord laminae process noxious sensory information?

Klumpke's paralysis is the result of which of the following?

Which one of the following exits the spinal cord through the ventral root?

Introduction to Neuroscience

Physical and Electrical Properties of Cells in the Nervous System

Synapses and Synaptic Transmission

Neuroplasticity

Development of the Nervous System

Somatosensory 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

Cranial Nerves

Brainstem Region

Vestibular and Visual Systems

Cerebrum

Cerebrum: Clinical Applications

Support Systems: Blood Supply and Cerebrospinal Fluid System

Filters