The Brain/Neurological Assessment - Unit 3 Flashcards

1
Q

The Brain - basic building block is the ___.

A

Neuron.

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2
Q

A ___th of our brain is visual processing.

A

4th.

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3
Q

Brain - __% tissue, CSF ___%, Blood __%.

A

Tissue 80%
CSF 10%
Blood 10%

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4
Q

What do the meninges do?

A

Cover the skull/parts of brain

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5
Q

Glucose - what does it do in the brain?

A

It is brain food!

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6
Q

What is autoregulation in the brain?

A

It’s when the brain changes the diameter of the vessels because it needs to.

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7
Q

How much CSF do we produce in an hour?

A

About 20 mL/hour.

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8
Q

Hyperventilation - what does it do?

A

Protects us - CO2 dilates vessels in brain, so hyperventilation gets rid of CO2.

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9
Q

LOC - most sensitive neuro test. T/F?

A

True!

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10
Q

What are parts of the neuro exam?

A

Mental status, cranial nerves, motor system, reflexes, sensory system, coordination, station and gait.

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11
Q

When testing for pain/stimulation, should we test centrally?

A

Yes!

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12
Q

Stereogenesis - what is it?

A

Can’t understand what you’re feeling without looking at it.

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13
Q

What’s the Romberg test?

A

Close your eyes - if you can stand in one place and not move around, you’re good!

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14
Q

Glasgow Coma Scale - Scoring - Eye Opening

A

Spontaneous - 4
To speech - 3
To pain - 2
None - 1

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15
Q

Glasgow Coma Scale - Scoring - Verbal Response

A
Oriented - 5
Confused conversation - 4
Words (inappropriate) - 3
Sounds (incomprehensible) - 2
None - 1
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16
Q

Glasgow Coma Scale - Scoring - Best Motor Response

A
Obey commands - 6
Localize pain - 5
Flexion - Normal - 4
Abnormal Flexion - 3
Extend - 2
None - 1
17
Q

If the Glasgow scale is less than 5, what has to happen?

A

Organ procurement is called.

18
Q

Hippus pupils - def

A

Constrict then dilate back. This could be caused by an increase in ICP.

19
Q

Pinpoint pupils - what might cause this?

A

Opioid overdose.

20
Q

GIANT pupils - what might cause this?

A

Atropine

21
Q

Hemeneoisis - what is it?

A

Vision loss of half of field.

22
Q

Conjugate gaze - def

A

eyes going in different directions.

23
Q

Nystagmus - what is it?

A

eye jerking.

24
Q

What are some diagnostics tests in the neuro world?

A

CT/CTA (Arteries - great for stroke patients.)
MRI, MRI - 3D
PET - lights up the bad areas
Cerebral angiograms - dye - can see the vessels.
Carotid Doppler.
Lumbar puncture - infection?
Brain flow study - brain dead? If it doesn’t go up to the brain…oh boy!