22 Questions
What is the main function of the nervous system?
Major regulatory and communicating system in the body
What are the three general functions of the nervous system?
Sensory, integrative, and motor
What is the main difference between the central nervous system and peripheral nervous system?
The CNS includes the brain and spinal cord, while the PNS includes nerves and ganglia
What is gray matter primarily composed of?
Nerve cell bodies
Where is gray matter found in the spinal cord?
In the butterfly-shaped structure in the center of the spinal cord
What is the name of the bundle of nerve fibers that transmit information from the peripheral nervous system to the central nervous system?
Nerve
What is the function of the multimodal associative cortical field?
To link sensory information with motor performance or motivation
What type of paralysis occurs after an initial flaccid paralysis and areflexia of the affected limb following pyramidal tract damage?
Spastic paralysis
What is the name of the system that includes the fiber tracts in the CNS and corresponds to the nerves in the PNS?
White matter
What is the term for the nerve cell bodies found in the gray matter?
Nerve cell bodies
What is the name of the cortical field that includes areas such as the prefrontal associative cortex and parts of the orbitofrontal cortex?
Multimodal associative cortical field
What is the term for the upper motor neuron system that controls voluntary movement?
Pyramidal system
What type of sensitivity is difficult to localize and is emotionally colored?
Protopathic sensitivity
Which pathway is responsible for conveying deep sensitivity?
Proprioceptors
What is the result of a lesion in the spinal cord?
Dissociated sensory loss
What is the term for a group of muscles innervated by a nerve root/spinal nerve?
Myotome
What is the distribution pattern of failure in peripheral system lesions?
Characterized by the site of the damage
What is the term for a circumscribed segmental skin area whose sensitive information is transmitted to a spinal cord segment via spinal nerves through a spinal root?
Dermatome
What is the result of a Brown-Sequard syndrome lesion?
Flaccid paralysis on the ipsilateral side and loss of pain and temperature sensation on the contralateral side
Which pathway is responsible for conveying protopathic sensitivity?
Spinothalamic tract
What is the term for the area of overlapping innervation of peripheral nerves?
Plexus
What is the significance of a sensory level in determining the site of a lesion?
It is valuable in determining if there is spinal cord disease
This quiz covers the basics of clinical practice in neurological disorders, including an overview of the nervous system, anatomy, and functional systems, as well as the neurological examination and auxiliary tests used in practice.
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