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97 Cards in this Set

  • Front
  • Back
Cerebral Cortex:
Frontal ‐
personality, emotion, behavior, intellect
Cerebral Cortex:
Parietal ‐
sensation
Cerebral Cortex:
Occipital ‐
vision
Cerebral Cortex:
Temporal
auditory
Cerebral Cortex:
Werenike’s
temporal associated w/auditory
reception , damage = aphasia
Cerebral Cortex
Broca’s
frontal lobe mediates speech , damage =aphasia
Cerebral Cortex
Basal Ganglia
primitive motor areas, automatic
ass’t movement
Cerebral Cortex
Thalamus ‐
relay station
Cerebral Cortex
Hypothalamus
temp control, sleep center
Cerebellum: located under
occipital lobe
Cerebellum:
controls
4 points
– motor coordination of voluntary movements
– equilibrium, muscle tone
– coordinates movement
– operates entirely below conscious level
– Brain Stem ‐ central core
3 parts
• Midbrain
• Pons
• Medulla
Spinothalamic Tract:
lateral tract =
pain, temperature
Spinothalamic Tract:
anterior tract =
crude or light touch
Posterior Columns:
control 3 things
• position ‐ proprioception
• vibration
• tactile discrimination
Corticospinal / Pyramidal
3 points
• voluntary movement ‐ skilled, purposeful, discrete
• cross to other side
• higher level ‐ body map
Major Motor Pathways:
Extrapyramidal
older, lower level , all fibers outside above
• muscle control, gross automatic movements
Major Motor Pathways:
Cerebellar
• coordinates movement, equilibrium, posture
Nerves outside CNS
• Carry input to CNS via
sensory afferent fibers
Deliver output from CNS
via motor efferent
fibers
cranial nerves mneumonic
ooo to touch adn feel virgin girls viginas sounds hot

some say marry money but my brother says bad bitches marry money
Dorsal ___________ root
(afferent)
Ventral__________ root
(efferent)
C6 –
thumb
T4 –
nipple line
T10 –
umbilicus
L5 –
top of foot
S1
bottom of foot
S2-S4
perineum
Neuro Sympathetic
Pupils dilate
Incr awareness
Neuro Parasympathetic
Normal pupils
CV Sympathetic
Inc: HR, BP,
cardiac motility
CV Parasympathetic
Dec HR, cardiac
motility
Resp Sympathetic
Inc RR,depth &
dilation
Resp Parasympathetic
bronchial constriction
GI Sympathetic
Dec GI motility
Gastric secretions
Inc glycogenolysis
Dec insulin prod
Sphincter contraction
GI Parasympathetic
Inc gastric
Motility,gastric
secretions,
sphinc dilation
GU Sympathetic
Dec urine output &
Renal blood flow
GU Parasympathetic
Normal urine
output
Reflex Arc:
Defense mechanism of the nervous system
– operates below consciousness
– permits quick reaction to potentially painful or
damaging situations
– Simple
– DTR
Infant Assessment:
Abnormalities present as
‘failure to do”
DDST
Normative measure of development is
the developmental quotient

Developmental Quotients
>85 normal
70‐85 possibly delayed; follow needed
<70 delayed
Fluent aphasia –
“Wernicke’s” ‐injury to temporal or
parietal lobe ; talk & read easily but words nonsensical,
jumbled, meaningless
Nonfluent aphasia‐
“Broca’s”‐ frontal lobe lesion:
struggle w/words, slow, monosyllabic
Obtunded:
sleeps most of the time, makes
few spontaneous movements, vigorous
shaking & name calling required ‐ capable of
verbal response but likely inappropriate
Stuporous:
semi‐comatose, unconscious most
of time, strong painful stimuli required for w/
drawl response
Comatose
can not be aroused
anosmia
(Greek a –lack of & osme sense of smell) loss
from smoking, cocaine allergic rhinitus,
asymmetric loss ‐ significant
hemianopsia
defect in peripheral vision ‐
Olfactory I : test
occlude 1 nares at a time and assess patency
– with eyes closed and 1 nares occluded present
aromatic substance for identification
– repeat with other nares
– Norm; + identification or decreased bilaterally
w/aging
Optic ‐ II test
Visual Acuity
– Visual Fields by confrontation
– Ocular Fundus by Opthalmoscope
Oculomotor III, Trochlear IV, Abducens VI
test
test pupils for size, regularity, equality, reaction,
accommodation
– test extraoculomotor movement
Trigeminal V: motor
palpate temporal & masseter
muscles ‐ clench teeth
Trigeminal V:Sensory Function:
w/eyes closed touch face w/lt
touch ophthalmic, maxillary, mandibular
Trigeminal V:
Corneal Reflex:
touch cornea w/wisp of cotton
• NORM: blink bilaterally
• ABN: no blink
Facial VII: Motor:
note mobility & symmetry when Pt smiles, frowns,
closes eye tightly against resistance, lift eyebrows, shows
teeth, puff out cheeks
• ABN muscle ABN: weakness, loss of symmetry, Bell’s Palsy
Facial VII: Sensory:
apply to tongue w/applicator a sweet, salt & sour
flavor
• NORM: identify taste
• ABN: loss of taste
Bell’s Palsy
Main symptom
paralysis or weakness on one side of the face, along with a sagging
eyebrow and difficulty closing the eye
The exam for CN 7 palsy is remembered by the
mnemonic COWS:
C lose your eyes
O pen (PCP tries to open patient's eyes)
Wrinkle your forehead
S mile
Acoustic VIII test
Vestibular dysfunction
– test hearing acuity w/ Weber, Rinne
– ABN: decrease or loss of hearing, conduction or
sensorial
Glossopharyngeal IX, Vagus X:
– Motor
Depress tongue w/blade note pharyngeal
movement as Pt says “AHHH”, touch posterior
pharyngeal wall for gag reflex, Note voice smooth
or strained, swallowing
Spinal Accessory XI: test
examine sternomastoid & trapezius for equal
strength
– Rotate head forcibly against resistance
– Shrug shoulders against resistance
– NORM: equal on both sides
– ABN: atrophy, muscle
weakness, paralysis
Hypoglossal XII:

test
inspect tongue, have
Pt stick tongue out and
move side to side,
repeat “ light, tight,
dynamite’
– NORM: full movement,
clear distinct tones
– ABN: atrophy,
fasciulations, deviation
of tongue
Decerebrate rigidity:
rigid & sustained contracture of
extensor – midbrain & pontine damage
Decorticate rigidity:
rigid & sustained hyperflexion –
lesions that interfere w/corticospinal tract
Pronator Drift:
downward drifting may indicate
hemiparesis or IICP
Meningeal Irritation
General signs
Violent headache
– Photophobia
– Fever
– Nausea/vomiting
– Decreased loc & convulsions
Nuchal rigidity
W/pt in supine position flex neck
– Resisting this movement is a + sign for irritation: meningitis
by bacteria, virus,fungi, mycobacteria
Meningeal Irritation
Kernig’s sign
Pt in recumbent position, flex hip & flex @ knee,
attempt to extend knee
– + is resistance to extension & pain (spasm of
hamstring) reliable sign of irritation(r/o HD)
Acoustic VIII test
Vestibular dysfunction
– test hearing acuity w/ Weber, Rinne
– ABN: decrease or loss of hearing, conduction or
sensorial
Glossopharyngeal IX, Vagus X:
– Motor
Depress tongue w/blade note pharyngeal
movement as Pt says “AHHH”, touch posterior
pharyngeal wall for gag reflex, Note voice smooth
or strained, swallowing
Spinal Accessory XI: test
examine sternomastoid & trapezius for equal
strength
– Rotate head forcibly against resistance
– Shrug shoulders against resistance
– NORM: equal on both sides
– ABN: atrophy, muscle
weakness, paralysis
Hypoglossal XII:

test
inspect tongue, have
Pt stick tongue out and
move side to side,
repeat “ light, tight,
dynamite’
– NORM: full movement,
clear distinct tones
– ABN: atrophy,
fasciulations, deviation
of tongue
Decerebrate rigidity:
rigid & sustained contracture of
extensor – midbrain & pontine damage
Decorticate rigidity:
rigid & sustained hyperflexion –
lesions that interfere w/corticospinal tract
Pronator Drift:
downward drifting may indicate
hemiparesis or IICP
Meningeal Irritation
General signs
Violent headache
– Photophobia
– Fever
– Nausea/vomiting
– Decreased loc & convulsions
Nuchal rigidity
W/pt in supine position flex neck
– Resisting this movement is a + sign for irritation: meningitis
by bacteria, virus,fungi, mycobacteria
Meningeal Irritation
Kernig’s sign
Pt in recumbent position, flex hip & flex @ knee,
attempt to extend knee
– + is resistance to extension & pain (spasm of
hamstring) reliable sign of irritation(r/o HD)
Meningeal Irritation
Brudzinski sign
– Passively flex neck forward to chest
– + response is flexion of 1 or both legs to pelvis
arms may also flex
– Romberg’s test:
• Stand w/feet together and arms at sides, close
eyes & hold position for 20 sec
• NORM: able to hold w/no or minimal sway
• ABN: + Romberg = sways, falls, must widen
base of feet to stop fall indicates MS, ETOH,
loss of proprioception & vestibular function
Rapid Alternating Movement RAM:
Pat knees w/ both hands with increasing speed
• NORM: equal turning & quick rhythmic pace
• ABN: lack of coordination, slow, clumsy , sloppy
response seen w/ cerebellar disease
Neuro Assessment ‐ Sensory Sys
• Spinothalamic tract:
Pain;
Temperature:
Light touch;
Pain; perceive pin prick, “sharp” vs. “dull”
– Temperature: fill 2 test tubes w/warm or cold water,
place
– Light touch; wisp of cotton
• eyes closed
• random, unpredictable order
Spinothalamic tract:
Hyperesthesia:
increased or altered cutaneous
sensitivity to touch, pain or temperature
Spinothalamic tract:
Hypoesthesia:
decreased cutaneous sensitivity to
touch, pain or temperature
Spinothalamic tract:
Analgesic:
absence of cutaneous sensitivity to
touch, pain or temperature
Posterior Column:
– Position ‐ Kinesthesia:
tests ability to perceive
passive movements of extremities
Posterior Column:Tactile Discrimination ‐ Fine
Touch
– Stereogenisis
– Graphesthesia
– Two‐Point Discrimination
– Extinction
– Point location

ABN: indicates
inability to perform indicates lesion of
sensory cortex or posterior colum
Reflex Response:
4-0
4+ very brisk hyperactive w/clonus = disease
– 3+brisker than average, may indicate disease
– 2+average, normal
– 1+ diminished, low normal
– 0 no response = SC damage
• Achilles S1 to S2: “ ankle jerk” Hold foot in
dorsi‐flexion & strike tendon directly
– N = plantar flexes against hand
– can see slowed relaxation phase in _______________
hypothyroidism
Pathological Reflexes:
– Grasp: abn after infancy
Frontal lesion on contralateral side
Snout: puckering of lips‐ abn after infancy
Amyotrophic lateral sclerosis(ALS)
Glabellar: hyperactive blinking response w/tap to
forehead
Lesion to pons, Parkinson’s
Sucking: abn after infancy
Bifrontal disease
Pathological Reflexes:
– Clonus:
Upper motor neuron disease,
preeclampsia
Babinski: norm in infancy until 15‐18
months
Abn: fan great toe w/toes abduct –
lesions pyramidial tract‐ stroke/trauma
Testing for clonus
Support knee in slightly flexed position
Quickly dorsiflex foot & hold in that position
+ = rhythmic oscillation of involuntary muscle
contraction