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2.0 Adult Nursing Exam 3 > Neuro Assessment & Interventions > Flashcards

Neuro Assessment & Interventions Flashcards

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1
Q

How does a CT scan work?

A

CT uses narrow X-ray beams to show the different layers and tissue density of the body to find the problem and it uses radiation

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2
Q

Your patient is about to head down to CT. You see the provider hasn’t put in any orders for contrast. What is your priority?

A

Call for clarification to see if it is with or without contrast

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3
Q

Your patient has an order for CT. What do you need to check for?

A

Check to see if patient has allergies to shellfish or iodine.

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4
Q

You have a patient who won’t sit still and who is scheduled for CT. What do you as the nurse need to do?

A

Call doctor for sedation orders if they aren’t already put in

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5
Q

Your on your way to diagnostic testing with your patient. What do you need to bring down with you?

A

Bring emergency bag incase the patient codes

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6
Q

What does an MRI do?

A

Uses radio frequency pulses and magnetic fields to pick up chemical changes in cells

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7
Q

Do MRI’s pick up early or late changes?

A

MRI picks up early changes.

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8
Q

You see there isn’t a contrast order with your MRI. What do you do?

A

You don’t do anything because you know it does not require contrast

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9
Q

Patient has to go to MRI. What do you need to assess the patient for and ask about?

A

Ask about metal or any piercings . Explain to them the MRI will rip it out of them.

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10
Q

Patient asks you how long MRI will take. How do you respond?

A

MRI takes a long time.

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11
Q

Your headed down to MRI. What do you need to have with you

A

Patient IV pumps

Oxygen

(know the dosage and the rate)

  • probably due to it taking longer
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12
Q

When you ask about “metal” for MRI

A

Aneurysm clips

Pacemakers (not all)

Hardware

Heart valves

IUDs

Patches with metal backings

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13
Q

What does a Lumbar Puncture remove?

A

Lumbar Punctures remove cerebral spinal fluid (CSF) for testing

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14
Q

Patient wants to know how a lumbar puncture is done. What do you tell them?

A

A needle will be inserted into the 3-5th lumbar vertebrae of the subarachnoid space while they are sidling and flexed

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15
Q

Your patient with an increased ICP has orders for a lumbar puncture. What is the problem with this?

A

If the ICP is high, the lumbar puncture should not be done. Notify the physician.

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16
Q

After the lumbar puncture, how should the patient be positioned?

A

Patient should be prone for 2-3 hours to promote healing

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17
Q

Patient reports having a headache after their lumbar puncture. Why is this?

A

It is due to the CSF leakage

  • can be occipital or frontal in location
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18
Q

If a patient has a headache after a lumbar puncture, what orders do you anticipate?

What about for positioning?

A

Fluid replacement

Analgesics

Keep them prone or supine

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19
Q

What is an alternative treatment for a headache due to lumbar puncture?

A

Blood patch from the antecubital and inject into the epidural space to stop the leakage

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20
Q

List the complications that can occur with a lumbar puncture procedure

A

Headache due to leakage

Infection

Hematoma

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21
Q

What are two major brain requirements?

A

Requires 20% of cardiac output - we have to keep it oxygenated

Needs 15% of body’s glucose - to meet high metabolic demand

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22
Q

What are the main components of a neuro assessment?

A

LOC

Motor response

Pupils

Reflexes

Vitals

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23
Q

T/F

LOC changes are a late sign for elderly patients

A

False. Usually this is the case, but for elderly LOC is an early sign.

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24
Q

Your patient has LOC changes. What lab can correlate with this?

A

Elevated ammonia levels cause LOC changes.

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25
Q

What motor change do you look for with patients?

A

Check their ROM and strength

  • active vs passive movement
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26
Q

Why do we assess the pupils?

A

Pupils can tell us a lot about the neuro assessment of a patient. Often one of the first signs we see.

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27
Q

Your patient is on a vent & on sedatives and you see their pupils constrict to a 1 or 2 mm. What do you do?

A

Sedatives cause constricted pupils. Just monitor them.

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28
Q

Your patients pupils are huge and blown. What do you do as the nurse?

A

You understand this means the patient is brain dead.

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29
Q

Why do we check reflexes in a neuro assessment?

A

Reflexes indicate their calcium levels; electrolytes

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30
Q

What categories do we rate using the Glascow Coma Scale? (3)

A

Eye opening

Verbal response

Motor response

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31
Q

What different levels of “eyes opening” are there for the Glasgow Coma Scale?

A

4 - opens spontaneously

3 - opens eyes to speech

2 - opens eyes when in pain

1 - no response

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32
Q

You walk into the room. The patient opens their eyes after sleeping and then reaches for their cup of water.

What is the eye Glasgow coma scale rating?

A

4 - Opened eyes spontaneously

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33
Q

Your patients eyes are closed. You ask them a question and then they open their eyes.

Rate their Glasgow coma score for eyes

A

3 - opened eyes to speech

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34
Q

You can’t wake your patient to have them open their eyes, and so you take your knuckles and rub their sternum and so they finally open them.

What is their glasgow coma scale for their eyes?

A

2 - opens eyes to pain

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35
Q

You’ve tried everything to get your patient to open their eyes and there is absolutely no response.

What is their eye glasgow coma scale?

A

1 - no response

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36
Q

What are the scores for Verbal response of the glasgow coma scale?

A

5 - orientated

4 - confused

3 - inappropriate

2 - incomprehensible

1 - none

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37
Q

You’re talking to your patient and they appear orientated. What is their glasgow coma scale?

A

5 - orientated

38
Q

Your ask your patient a question and they suggest they don’t know what you’re talking about and don’t understand.

What is their glasgow coma scale for verbal response?

A

4 - confused

39
Q

You ask your patient what they want to eat and they tell you the sky is blue.

What would you rate their verbal response?

A

3 - inappropriate

40
Q

Patient is slurring their words. What would you rate their verbal response on the GCS scale?

A

2 - incomprehensible

  • you have no clue what they’re saying
41
Q

You are asking your patient questions. There is absolultey no verbal response.

How would you rate this using GCS?

A

1 - no response

42
Q

What are the different scales of the Glasgow coma scale for motor response?

A

6 - obeys commands

5 - localises to pain

4 - withdrawals from pain

3 - flexion to pain

2 - extension to pain

1 - no response

43
Q

What is the maximum score a patient can receive on the GCS?

A

15 is perfect

44
Q

You ask the patient to take their pills and they do it.

Rate their motor response on GCS

A

6 - obeys commands

45
Q

Patient pushes away your hand while pricking their finger for blood sugar check.

Rate their motor response on GCS

A

5 - localises to pain (pushes the painful stimuli away)

46
Q

Patient withdrawals from pain but doesn’t quite push it away.

Rate their motor response GCS score

A

4 - withdrawals from pain

47
Q

When you taking off the IV tape your notice your patient flexes in wards to pain (decorticate).

What is their motor resonse score on GCS?

A

3 - flexion to pain

48
Q

Patient extends their limbs when feeling pain (deceberate).

What is their motor response GCS?

A

2 - extension to pain

49
Q

Patient doesn’t move an inch when you are doing a sternal rub. What is their GCS score for motor response?

A

1 - no response

50
Q

At what score do we intubate on the GCS?

A

If it is less than 8, intubate.

51
Q

What is considered a mild GCS score?

A

(13-15) is mild

52
Q

What is a moderate score on the GCS?

A

Moderate is (9-12)

53
Q

Your patient has lost consciousness. It’s been over 30 minutes. How severe do you think their GCS disability is?

A

Loss of consciousness will be greater than 30 minutes for moderate disability

  • of (9-12).
54
Q

When you have a patient with a moderate disability according to the GCS, will their impairment resolve?

A

Impairments may or may not resolve with a moderate disability

  • of (9-12).
55
Q

Which severity of disability according to the GCS scale would benefit from rehabilitation with a physical therapist or occupational therapist?

A

Moderate severity of (9-12).

56
Q

Your patient is in a coma like state with no meaningful response. What is the likely range for their GCS?

A

3-8

  • severe disability
57
Q

Patient has a GCS score less than 3.

What state is this?

A

Vegetative state

58
Q

What is a vegetative state characterized by sleep wise?

A

Sleep wake cycles are happening even if we don’t see it.

59
Q

What is the arousal of someone in a vegetative state?

A

There is arousal but no interaction with the environment

60
Q

What pain response do you expect for someone in a vegetative state with a GCS score less than 3?

A

No localized response to pain meaning the patient attempted to push away the painful stimulus

61
Q

What is the difference between a vegetative state vs. a persistent vegetative state?

A

Persistent vegetative state will last longer than 1 month (longterm).

62
Q

What is the meaning of brain death?

A

No brain function is occurring due to no blood flow

63
Q

What is a common reason for brain death?

A

Could be from herniation where brain drops down into spinal column that causes no blood flow to the brain

64
Q

Is there blood flow to the brain in a vegetative and persistent vegetative state?

A

Yes. Sleep wake cycles are present still.

65
Q

What do you need to assess when looking at the pupils?

A

Size

Shape

Reactivity to light

And compare!

66
Q

You test for eye reactivity to light and you get a sluggish response. What is a possible cause of this?

A

3rd CN is compressed due cerebral edema and herniation and increased ICP

67
Q

You test the pupils for reactivity to light and they are nonreactive and fixed. What is a possible cause?

A

Compression of 3rd cranial nerve due to hernation causing severe hypoxia and ischemia

68
Q

Your patient has an increased ICP. What do you anticipate for your pupil assessment?

A

Sluggish pupils

69
Q

Define anisocoria

A

When patients have different sized pupils

70
Q

T/F

Patients having anisocoria is a big concern

A

False. If that is their baseline, then it’s fine. If it is an acute change, then you have a problem.

71
Q

Your patient has acute anisocoria. Why is this concerning?

A

Their pupils all of a sudden being different sizes could indicate they are having a stroke.

72
Q

Define herniation

A

When the brain drops down into the spinal column

73
Q

There is anisocoria in the left eye. What part of the brain is the stroke taking place?

A

The opposite, so the right side.

74
Q

Your patients pupils are super small. What type of med can cause this?

A

Narcotics

  • propafol
    • fentanyl
75
Q

While checking the reactivity to light of the pupils, you get no response. What does this indicate?

A

Brain death

76
Q

What are the brain death tests?

A

Dolls eyes assessment

Corneal reflex test

Cold calorics

77
Q

When doing the doll’s eyes assessment on your patient, their eyes deviate to the opposite side of where you are turning their head.

What does this mean?

A

It is a normal response and they are not brain dead.

78
Q

You have a brain dead patient. What dolls eyes result would you expect?

A

I would expect their eyes to remain fixed with no deviation.

79
Q

What reflex ar we testing for during the dolls eyes test that is only present if you are considered normal?

A

Oculocephalic reflex

  • 90 degrees laterally on both sides
80
Q

When doing the Corneal reflex test, the patient blinks when you touch their eye with the cotton. What does this mean?

A

That is a consensual response and is normal

81
Q

Your patient doesn’t blink when you do the corneal reflex test with the cotton ball.

What does this mean?

A

Absence of reflex indicating a brainstem dysfunction and brain death

82
Q

What is the Cold Caloric test?

A

Putting cold water in the ear to stimulate the inner ear nerve

83
Q

When doing the Cold Calorics test, the patient elicits a nystagmus. What does this mean?

A

The patient is normal.

84
Q

Define nystagmus in regards to Cold Calorics test

A

Nystagmus means the eyes will quiver

85
Q

In a patient who has a coma with an intact brainstem, what do you think their cold calorics results would be?

A

Their eyes will deviate towards the cold water

86
Q

You do the Cold Calorics test and there is no eye movement whatsoever. What does this mean?

A

Brainstem injury and brain dead

87
Q

What is normal response to a cold calorics test?

A

Quiver and move away from the cold water and then slowly back.

88
Q

What reflex is tested in the Cold Calorics test?

A

Vestibulo-ocular reflex

89
Q

When doing the cold calorics test, what should the HOB be elevated to?

A

30 degrees

90
Q

How much water or saline should be used for Cold Calorics test?

A

50 mLs

91
Q

23:13

A

g

2.0 Adult Nursing Exam 3 (8 decks)

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