Spinal Anatomy CNS & related structures 23% part 4 (Descending tracts) Flashcards
Descending tracts are:
a. motor in function
b. sensory in function
a. motor in function
What tract is responsible for precisse & skilled voluntary movement?
a. Reticulospinal
b. Tectospinal
c. Rubrospinal
d. Vestibulospinal
e. Corticospinal
e. corticospinal
What is the origin of the cortico spinal tract?
primary motor cortex (parietal lobe)
What is the destination of the corticospinal tract?
Secondary motor cortex (parietal lobe)
If the name of a tract ends with -spinal what type of tract is it?
Descending tract
The anterior corticoSPINAL tract functions it which of the following?
a. initiate precise, skilled, voluntary movemnets (mainly distal extremities)
b. Initiate axial musculature
c. Flexes musculature
d. Extends musculature
e. Postural reflex of the neck
f. Heart, blood pressure, resp. rate/rhythm
b. Initieates axial musculature
The lateral corticoSPINAL tract functions in which of the following?
a. initiate precise, skilled, voluntary movemnets (mainly distal extremities)
b. Initiate axial musculature
c. Flexes musculature
d. Extends musculature
e. Postural reflex of the neck
f. Heart, blood pressure, resp. rate/rhythm
a. Initiates precise, skilled, voluntary movements
The tectoSPINAL tract functions in which of the following?
a. initiate precise, skilled, voluntary movemnets (mainly distal extremities)
b. Initiate axial musculature
c. Flexes musculature
d. Extends musculature
e. Postural reflex of the neck, reflex enhancement w/ sight and auditory inputs (traps & SCM)
f. Heart, blood pressure, resp. rate/rhythm
e. Postural reflex of the neck, reflex eenhancement w/ sight and auditory inputs (traps &SCM)
What is the function of the rubroSPINAL tract?
a. initiate precise, skilled, voluntary movemnets (mainly distal extremities)
b. Initiate axial musculature
c. Flexes musculature
d. Extends musculature
e. Postural reflex of the neck
f. Heart, blood pressure, resp. rate/rhythm
c. Flexes musculature
What is the function of the vestibuloSPINAL tract?
a. initiate precise, skilled, voluntary movemnets (mainly distal extremities)
b. Initiate axial musculature
c. Flexes musculature
d. Extends musculature
e. Postural reflex of the neck
f. Heart, blood pressure, resp. rate/rhythm
e. exteds musculature
Which of the following is the function of the reticuloSPINAL tract?
a. initiate precise, skilled, voluntary movemnets (mainly distal extremities)
b. Initiate axial musculature
c. Flexes musculature
d. Extends musculature
e. Postural reflex of the neck
f. Heart, blood pressure, resp. rate/rhythm
f. Heart, blood pressure, resp. rate/rhythms
Which two tracts work in opposition to allow us to stand?
a. anterior corticoSPINAL tract
b. lateral corticoSPINAL tract
c. tectoSPINAL tract
d. rubroSPINAL tract
e. vestibuloSPINAL tract
f. reticuloSPINAL tract
d. rubroSPINAL = flexes musculature
e. vestibuloSPINAL = extends musculature
What tract is used when you are threading a needle?
a. anterior corticoSPINAL tract
b. lateral corticoSPINAL tract
c. tectoSPINAL tract
d. rubroSPINAL tract
e. vestibuloSPINAL tract
f. reticuloSPINAL tract
b. Lateral corticoSPINAL tract
Which tract controls the SCM and trapezius?
a. anterior corticoSPINAL tract
b. lateral corticoSPINAL tract
c. tectoSPINAL tract
d. rubroSPINAL tract
e. vestibuloSPINAL tract
f. reticuloSPINAL tract
c. tectoSPINAL = postural neck reflexes
Which tract keeps us from falling on the ice by extending our paraspinals?
a. anterior corticoSPINAL tract
b. lateral corticoSPINAL tract
c. tectoSPINAL tract
d. rubroSPINAL tract
e. vestibuloSPINAL tract
f. reticuloSPINAL tract
e. vestibuloSPINAL (extends musculature)
