Spinal Anatomy CNS & related structures 23% part 4 (Descending tracts) Flashcards Preview

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Flashcards in Spinal Anatomy CNS & related structures 23% part 4 (Descending tracts) Deck (26):
1

Descending tracts are:

a. motor in function

b. sensory in function

a. motor in function

2

What tract is responsible for precisse & skilled voluntary movement?

a. Reticulospinal 

b. Tectospinal

c. Rubrospinal

d. Vestibulospinal

e. Corticospinal

e. corticospinal

3

What is the origin of the cortico spinal tract?

primary motor cortex (parietal lobe)

4

What is the destination of the corticospinal tract?

Secondary motor cortex (parietal lobe)

5

If the name of a tract ends with -spinal what type of tract is it?

Descending tract

6

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

7

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

8

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)

9

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

10

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

11

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

12

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

13

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

14

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

15

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)

16

Which tract doesn't cross over?

a. anterior corticoSPINAL tract

b. lateral corticoSPINAL tract

c. tectoSPINAL tract

d. rubroSPINAL tract

e. vestibuloSPINAL tract

f. reticuloSPINAL tract

e. vestibuloSPINAL

17

Which tract crosses over in the pyramids of the M.O.?

a. anterior corticoSPINAL tract

b. lateral corticoSPINAL tract

c. tectoSPINAL tract

d. rubroSPINAL tract

e. vestibuloSPINAL tract

f. reticuloSPINAL tract

b. lateral corticoSPINAL

18

Which tract terminates by T6?

a. anterior corticoSPINAL tract

b. lateral corticoSPINAL tract

c. tectoSPINAL tract

d. rubroSPINAL tract

e. vestibuloSPINAL tract

f. reticuloSPINAL tract

a. anterior corticoSPINAL tract

19

What is the main source of influence to the descending tracts?

cerebellum

20

Which descending tracts are pyramidal?

a. anterior corticoSPINAL tract

b. lateral corticoSPINAL tract

c. tectoSPINAL tract

d. rubroSPINAL tract

e. vestibuloSPINAL tract

f. reticuloSPINAL tract

a. anterior corticoSPINAL 

b. lateral corticoSPINAL 

21

Are the descending tracts UMN or LMN?

UMN

22

Which tract originates at the superior

a. anterior corticoSPINAL tract

b. lateral corticoSPINAL tract

c. tectoSPINAL tract

d. rubroSPINAL tract

e. vestibuloSPINAL tract

f. reticuloSPINAL tract

colliculus of the tectum in the midbrain?

c. tectoSPINAL

23

which tract originates at the magnocellar region of the RED NUCLEUS (nucleus rubor) in the tegmentum of the midbrain?

a. anterior corticoSPINAL tract

b. lateral corticoSPINAL tract

c. tectoSPINAL tract

d. rubroSPINAL tract

e. vestibuloSPINAL tract

f. reticuloSPINAL tract

d. rubroSPINAL

24

Which tract originates at Deiters' nucleus?

a. anterior corticoSPINAL tract

b. lateral corticoSPINAL tract

c. tectoSPINAL tract

d. rubroSPINAL tract

e. vestibuloSPINAL tract

f. reticuloSPINAL tract

e. vestibuloSPINAL

25

Which tract originates at the reticular formation?

a. anterior corticoSPINAL tract

b. lateral corticoSPINAL tract

c. tectoSPINAL tract

d. rubroSPINAL tract

e. vestibuloSPINAL tract

f. reticuloSPINAL tract

f. reticuloSPINAL

26