Quiz 2 Drawings Flashcards by Beck Forsland

Q

What is the name of this pathway? (A)

A

medial lemniscus

It’s officially after 2˚ neurons decussate

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Q

What type of sensation is the medial lemniscus pathway for?

A

fine touch and vibration for the body

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Q

What is this path? (A)

A

medial lemniscus sytem

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Q

Where is the dorsal spinocerebellar tract located?

A

within the lateral funiculus

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Q

What is D?

A

Dorsal spinocerebellar tract

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Q

What kind of neurons are found in Clarke’s nucleus?

A

2˚ neurons for lower body

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Q

What is the level of Clarke’s nucleus?

A

C8-L3

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Q

What is C?

A

Clarke’s Nucleus (nucleus dorsalis)

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Q

What is nucleus Z neuron? (1˚ 2˚ 3˚ 4˚)

A

3˚ proprioceptive neuron for lower body

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Q

What is B?

A

nucleus Z

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Q

What is this medial lemniscus system pathway for?

A

proprioception for the body

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Q

What is 3?

A

spinal trigeminal nucleus

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Q

What is 2?

A

pontine trigeminal nucleus

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Q

What is 1?

A

mesencephalic nucleus

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Q

What is B?

A

Gasserian (trigeminal) ganglion

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Q

What is the trigeminal system pathway for?

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A

proprioception, vibration, fine touch for the face

Q

What pathway is this? (A)

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A

trigeminal system

Q

What is B?

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A

spinothalamic tract

Q

What is this tract? (A)

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A

spinothalamic tract

Q

Primary 1˚ neurons are always found in the DRG EXCEPT for this:

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A

Trigeminal System

Proprioception for the face is found in the Mesencephalic Nucleus
Vibration and fine touch for the face is found in the Gasserian (Trigeminal) Ganglion

Q

What somatotopic region is #1 for?

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A

face

Q

What somatotopic region is #2 for?

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A

upper extremity

Q

What somatotopic region is #3 for?

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A

trunk

Q

What somatotopic region is #4 (both a and b) for?

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A

lower extremity and peritoneum and pelvis

What is the function of the green area/#5?

secondary somatosensory cortex

What is the function of the orange area/ (7+8)?

primary somatosensory cortex

What is the function of the blue area/(6+9)?

somatosensory assocation cortex

What anatomical landmark is #4?

post central gyrus

What anatomical landmark is #8?

posterior paracentral lobule

What anatomical landmark is #6?

superior parietal lobule

What anatomical landmark is #9?

precuneate gyrus of the parietal lobe