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64 Cards in this Set

  • Front
  • Back
How to check patient's history? (4)
Blood, urine, CBF, genetics
What is Lumbar puncture?
Lumbar puncture: drawing fluid out of the spine (typically clear – may have blood or is cloudy(infection))
What's the olfactory nerve for?
Smell
How do you test the olfactory nerve?
clear vial, unlabeled with a distinguishable smell → must have them identify the smell
What's the optic nerve for?
carries visual info
How do you test the optic nerve?
eye exams, test boundaries of your vision
What's the Oculomotor nerve for?
control eye movement
What's the test for oculomotor nerve?
shines light in eyes and must follow with your eyes
What's the Trochlear nerve for?
control eye movement
What's the test for Trochlear nerve?
• Test: shines light in eyes and must follow with your eyes
What's the Trigeminal nerve for?
controls touch for the face
What's a good test for Trigeminal nerve?
patient closes eyes, touch them on their face and ask where they are being touched
What's the Abducens nerve for?
control eye movement
How is abducens nerve tested?
Test: shines light in eyes and must follow with your eyes
What's the Facial nerve for?
controls movement for the face
How do you test the facial nerve?
ask them to smile, to pucker up (something that requires facial symmetry)
What's the Vestibulocochlear nerve for?
* transmits info for balance and hearing
* Damage could result in deafness and/or vertigo like symptoms
What's the Glossopharyngeal nerve for?
throat, important for the ability to speak
What's a test for glossopharyngeal nerve?
asked to swallow and go ”ahhhhh”
What's the Vagus nerve for?
* controls redistribution of blood pressure
* breathing, bronchial system,
* gastrointestinal tract,
* stomach
What's the Accessory nerve for?
head and neck muscles
What's a test for the accessory nerve?
asked to shrug shoulders, test neck strength with hands as resistance
What's the Hypoglossal nerve for?
tongue
What's a test for hypoglossal nerve?
stick out your tongue (lesion – tongue may drift to one side
What is Papilledema?
looking into the back of the eye, see swelling in the back of the eye
What is Strabismus?
cross eyed, have a lesion to cranial nerves that control eye movement
What is Amblyopia?
*lazy eye
* doesn’t get visual info in very well,
* brain stops responding to that eye (not useful info, causing lots of problems)
* can be rendered functionally weak/useless
What is Herpes Simplex Encephalitis?
interfaces in temporal lobe (on trigeminal nerve) and attacks the brain (destroys the brain quickly)
* Very rare but deadly
What's Bell’s palsy?
damage to facial nerve on one side, cannot control the face
What is the Corticospinal tract important for?
important for movement,
* runs from the motor cortex to the spine and the effectors
Somatosensory pathways test
Close eyes (eliminate vision), touch on different areas of body and person must respond with where they are touching
What does damage to parietal lobe do?
Damage to parietal lobe: problem identifying objects using touch (without vision) → astereognosis (disconnect b/w touch and memory)
What is astereognosis?
Damage to parietal lobe: problem identifying objects using touch (without vision) → astereognosis (disconnection between touch and memory)
What is Agraphesthesia?
unable to integrate sensory information to identify letters/shapes/numbers, problem in the parietal lobe
* Ex. Drawing words on someone’s back and asking them to identify it
What are Dermatomes
* Different parts of the bodies corresponding to different parts of the spinal cord
What's the process of reflex?
Touch receptor → spine → motor neuron → effector → movement
If patient shows positive sign to Babinski or Snout reflex test, which brain lobe is damaged?
frontal lobe
What does damage to cerebellum do?
problem w/ coordination of movement (not smooth movements)
Finger to nose test. What is a damaged result like?
shaky and/or endpoint is not correct
Simple and complex finger movement test. What is a damaged result like?
slow, miss fingers
Heel to toe walking
 test. What is a damaged result like?
may venture of to one side, may not even be able to walk
Romberg test. What is a damaged result like?
when eyes are closed they will immediately fall → cerebellum problem
What is the romberg test?
Ask person to have arms spread standing and then close eyes
Name four cerebellum tests?
* Finger to nose/heel to shin testing
* Simple and complex finger movements
* Heel to toe walking

* Romberg test
Coma score 13 or 14, what kind of injury?
Mild traumatic brain injury (concussion)
Moderate traumatic injury, what's the score range for it?
Moderate traumatic brain injury: 9-12
Coma scale <8, what's the brain injury?
Severe traumatic brain injury
What does a mental status exam do?
Assess cortical and sub-cortical functioning related to cognition
What are categories of mental status exam?
Categories (order matters)
o Attention: always tested first, if you cannot pay attention you cannot do these other tests
o Language

o Memory
o Visuospatial/perceptual
o Executive functions
What's the first thing to test in a mental status exam?
Attention - always tested first, if you cannot pay attention you cannot do these other tests
How to do mental status exam for attention? (4)
* Observe the patient
(if person follows you with their eyes and responds to you, they are paying attention)
* Count backwards from 20 (attention problem → will lose track)
* Months forward, backward
* Sustained attention: holding attention for a duration of time
focal brain injury
Focal: cortical or subcortical
diffuse brain injury
Diffuse: metabolic, toxin, infection
Mental status exam, Test for language (5):
o Fluency: ability to produce language (mute, stutter)
o Naming common objects
o Repetition (being able to repeat speech)
o Prosody: tone in which you speak (damage to right side – prosody flattens out)
o Comprehension: understanding (can indicate w/ words, actions → if cannot talk)
o Reading
o Writing
o Praxis: ability to follow verbal commands into actions (tested by tool use – left hemisphere damage confuse body with object)
What is Anomia?
inability to name things due to a brain injury
What is Praxis?
ability to follow verbal commands into actions (tested by tool use – left hemisphere damage confuse body with object)
What is Prosody?
tone in which you speak (damage to right side – prosody flattens out)
In mental status exam, how do you check for memory?
o Digit span, pointing span → does not require language
• average people can remember 5-9, if they cannot there is a problem
o Verbal, visual object learning
o Past public/personal events (must have a family member present)
o Factual knowledge
Where is language mostly located?
Left hemisphere
Where is memory located(4)?
Medial temporal lobes, thalamus, basal forebrain, frontal lobes
How is Visuospatial/perceptual checked in a mental status exam?
o Copy of geometric designs (if cannot – brains ability to interpret images is compromised)
o Judgment of line orientation
o Object/face/color recognition
Where is Visuospatial/perceptual located?
Right hemisphere
how are executive functions checked in mental status exam?
o Judgment: making simple decisions
o Verbal fluency: people with impairments do not categorize, are slower, produce less info
o Luria 3-step: continuously doing the same steps over and over, gets stuck, understands what they are supposed to do
o Coin switch task

o Drawing loops, alternating patterns: get stuck on a letter or number
o Oral trail making test: alternate between letters and numbers (A1B2, etc)
o Perseveration: continue to do the same thing over and over again when it is no longer appropriate
Where are executive functions located?
o Frontal lobes