Untitled Deck Flashcards
Which of the following is NOT a function of the posterior column medial lemniscus pathway?
C. Temperature sensation
Where is the 1st order neuron located in the posterior column medial lemniscus pathway?
A. Dorsal root ganglion
Which tract is responsible for transmitting unconscious proprioceptive information to the cerebellum for coordinated movement and posture of the entire lower extremity?
C. Anterior spinocerebellar tract
What is the function of the lateral corticospinal pyramidal tract?
C. Volitional skilled motor activity of the upper limb
Which tract originates from the vestibular nucleus and facilitates action of extension while inhibiting action of flexion?
A. Vestibulospinal tract
Where does the lateral corticospinal pyramidal tract undergo decussation?
C. Medulla
The rubrospinal tract controls which type of muscle?
B. Flexor muscles
Which of the following tracts is involved in visual and head movement?
C. Vestibulospinal tract
What is the role of the anterior corticospinal tract?
D. Facilitates action of extension and inhibits action of flexion
Where does the rubrospinal tract decussate?
A. Midbrain
Which tract is concerned with somatic and visceral motor activities?
C. Vestibulospinal tract
What type of sensation is transmitted by the lateral spinothalamic tract?
B. Pain and temperature
Which tract facilitates action of extension and inhibits action of flexion?
A. Vestibulospinal tract
What is the function of the anterior spinocerebellar tract?
A. Transmit unconscious proprioceptive information to the cerebellum for coordinated movement and posture of the entire lower extremity
Which tract is responsible for transmitting unconscious proprioceptive information to the cerebellum for fine coordination of posture and movement of individual muscles of the lower extremity and trunk?
A. Posterior spinocerebellar tract
Where does the anterior spinocerebellar tract receive input from?
A. Muscle spindles and GTOs
Which of the following tracts receives input from free nerve endings and thermal receptors for itch, pain, and temperature sensation?
B. Lateral spinothalamic tract
The lateral spinothalamic tract is somatotopically organized with which fibers posterolaterally and anterolaterally?
A. Sacral and cervical fibers
Where is the 1st order neuron located in the anterolateral system?
A. Dorsal root ganglion
What is the function of the tectospinal tract?
B. Originates from the vestibular nucleus for visual and head movement
Which tract is concerned with volitional skilled motor activity primarily of the digits of the upper limb?
A. Lateral corticospinal pyramidal tract
The anterior corticospinal tract facilitates the action of flexion and inhibits the action of extension. (True/False)
False
The rubrospinal tract originates from the red nucleus of the midbrain and controls axial muscles. (True/False)
False
The vestibulospinal tract originates from the vestibular nucleus and facilitates action of extension while inhibiting action of flexion. (True/False)
True
The lateral spinothalamic tract receives input from free nerve endings and thermal receptors for itch, pain, and temperature sensation. (True/False)
True
The posterior spinocerebellar tract transmits unconscious proprioceptive information to the cerebellum for fine coordination of posture and movement of individual muscles of the lower extremity and trunk. (True/False)
True
The anterolateral system is responsible for transmitting sensory information from the periphery to higher levels. (True/False)
True
The lateral corticospinal pyramidal tract controls skilled motor activity of the upper limb. (True/False)
True
The anterior spinocerebellar tract receives input from muscle spindles, GTOs, and pressure receptors for coordinated movement and posture of the entire lower extremity. (True/False)
True
The tectospinal tract originates from the tectum of the midbrain for visual and head movement. (True/False)
True
The posterior spinocerebellar tract transmits unconscious proprioceptive information to the cerebellum for coordinated movement and posture of the entire lower extremity. (True/False)
True
Which tract is responsible for transmitting unconscious proprioceptive information to the cerebellum for coordinated movement and posture of the entire lower extremity?
D. Posterior spinocerebellar tract
