Sensory Function Flashcards

(10 cards)

0
Q

Sterioagnosia

A

Inability to recognize an object by using tactile information only.

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1
Q

agnosia

A

Loss of ability to process sensory information

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2
Q

graphesthesia

A

ability to recognize writing on skin.

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3
Q

radiculopathy

A

Nerve root damage

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4
Q

myelopathy

A

damage to the spinal cord

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5
Q

Small un- or lightly myelinated fibers of a peripheral nerve convey:

A

pain and temp

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6
Q

large myelinated fibers of a peripheral nerve convey:

A

Proprioception and well localized touch

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7
Q

The Dorsal Columns / Medial Lemniscus convey: (3)

Decussate:

A

2 point discrimination, vibration, joint position sense
Decussates in medulla, thus it ascends ipsilaterally.
after crossing into the medial Lemniscus, it is contralateral.

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8
Q

The Spinothalamic tract conveys:

It decussates:

A

Pain, temperature, and light (poor localized) touch

Crosses at anterior white commisure, thus ascends contralaterally.

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9
Q

“Suspended sensory loss” in the bilateral upper body but not lower body would suggest a lesion in:

A

The center of the spinal cord.

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