Spinal Anatomy CNS & related structures 23% part 3 (tracts) Flashcards Preview

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Flashcards in Spinal Anatomy CNS & related structures 23% part 3 (tracts) Deck (25):
1

Atrophy or damage of the basal ganglia can produce quick movements known as what?

chorea

2

Parkinsons is due to neuronal degeneration of what? And what are indicators found that confirm this disease?

Substantia nigra; LEWY BODIES

3

What is the relay center for crude sensation and integrations of the tracts?

thalamus

4

What is the center for conscious interpertation & movement?

Cortex

5

What is the primary SENSORY cortex?

a. Precentral gyrus

b. Postcentral gyrus

 

b. Postcentral gyrus

6

What is the primary motor cortex?

a. Precentral gyrus

b. Postcentral gyrus

a. Precentral gyrus

7

KNOW PICTURE OF THE CROSS SECTION OF THE SPINAL CORD AND WHERE THE TRACTS AND ANATOMY ARE LOCATED 

PG 3

 

8

What neurons affect everything systemic?

a. UMN

b. LMN

a. Upper motor neurons

9

What neurons travel from the brain to the anterior horn cell?

a. UMN

b. LMN

a. UMN

10

What motor neurons have an isolated place of effect?

a. UMN

b. LMN

b. Lower motor neurons

11

What motor neurons travel from anterior horn to the periphery?

a. UMN

b. LMN

b. Lower motor neurons

12

Which motor neurons do chiropractors primarily take care of?

a. UMN

b. LMN

b. Lower motor neurons

13

Which part of the spinal cord takes care of motor functions?

a. Anterior horn

b. Posterior horn 

c. Lateral horn

a. Anterior horn

14

What part of the spinal cord takes care of the sympathetics?

a. Anterior horn

b. Posterior horn

c. Lateral horn

c. Lateral horn

15

What part of the spine deals with sensory information?

a. Anterior horn

b. Posterior horn

c. Lateral horn

b. Posterior horn

16

What vertebral levels are the sympathetics at?

a. T1 - T12

b. T2 - L1/L2

c. T1 - L4

d. T1 - L1/L2

d. T1 - L1/L2 = sympathetics

17

Lesions to which motor neurons Increase motor response?

a. UMNL

b. LMNL

a. Upper Motor Neuron lesions

18

Lesions to which motor neurons decrease motor responses?

a. UMNL

b. LMNL

b. Lower motor neuron lesions

19

What is the ONE EXCEPTION to the rule that all UMNL increase motor responses?

a. Decreases superficial reflexes (unilaterally)

b. Decreases superficial refleses (bilaterally)

c. Decreases DTR

d. Decreases muscle tone

b. Decreases superficial reflexes (bilaterally)

20

A lesion to what motor neurons decreases superficial reflexes (unilaterally)?

a. UMNL

b. LMNL

b. Lower motor neuron lesion

21

A lesion to which motor neurons will cause a positive babinski test?

(babinski test is an exaggerated pathological reflex in response to a stimulus such as tickling the foot and the patient kicks the foot out really hard)

a. UMNL

b. LMNL

a. UMNL

22

A lesion to what motor neurons would cause clonus, increased DTR, Hypertrophy, and spasticity?

a. LMNL

b. UMNL

b. UMNL 

(Remember: UMNL increases, except for a decrease in superficial reflexes BILATERALLY)

23

A lesion to which motor neurons causes no pathological reflexes, decreased muscle tone, flaccidity, atroph, fasciculations, decreased DTR, and decreased superficial Reflexes (UNILATERALLY)?

a. UMNL

b. LMNL

b. LMNL

 

24

A  lesion to which motor neuron causes a decrease in superficial reflexes?

a. UMNL

b. LMNL

BOTH a & b

a. UMNL = BILATERALLY

b. LMNL = UNILATERALLY

25