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PNUR 101
disabilities quiz
56
Other
Not Applicable
10/06/2007

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Term
concussion
Definition
closed injury
brain compressed by skull
skull intact
result of blow to head
causes temporary ischemia (starved of blood)
Term
contusion
Definition
more serous than concussion
gross structural injury to brain

may cause permanent brain damage
temp amnesia
bruising seen on ct scan
Term
cerebral hematoma
Definition
bleeding within the skull
accumulation of blood forms expanding lesion
Term
mild brain injury
Definition
GCS 13-15
PTA 0 or minutes
Term
PTA
Definition
post traumatic amnesia
Term
moderate brain injury
Definition
GCS 9-12
PTA up to 1 week
Term
severe brain injury
Definition
GCS 3-8
PTA over 1 week
Term
coup injury
Definition
brain injury location corresponds to where the head was struck directly
Term
contrecoup
Definition
force sends brain to opposite side of skull, where injury occurs
Term
cerebral hematoma
Definition
bruise
LOC deteriorates
signs vary with type and severity of bleeding
Term
epidural (cerebral hematoma)
Definition
arterial bleed
accumulates faster
above dural membrane
Term
subdural (cerebral hematoma)
Definition
venous bleed
gradual
under dural membrane
Term
Glasgow coma scale
Definition
total can be 3-15
15 is most alert/responsive
Term
3 classifications of spinal cord injury
Definition
open/closed(meninges intact or severed)
location
extent (complete or incomplete)
Term
open/closed spinal cord injury
Definition
whether meninges are severed or intact
Term
extent of spinal cord injury
Definition
complete or incomplete
Term
cervical vertebrae
Definition
c1 atlas
c2 axis
c3
c4
c5
c6
c7
Term
thoracic vertebrae
Definition
ribs attached
T1 - T12
Term
lumbar vertebrae
Definition
L1-L5
Term
sacral vertebra
Definition
S1-S5, fuse together in adulthood
Term
extent of spinal cord injury (scale)
Definition
A complete - no motor, no sensory
B Incomplete - sensory, no motor
C Incomplete - weak motor, no sensory
D Incomplete - partial motor
E Normal - motor and sensory intact
Term
SCI to c4, c5 affects...
Definition
breathing
quadreplegic
Term
SCI to C6-8 affects...
Definition
some arm and wrist movement
breathing ok
sensation in arms intact
Term
SCI T2 or below means...
Definition
paraplegia
Term
spinal shock
Definition
lasts 1 week - several months
spinal cord loses reflex and sympathetic activity
causes spastic, involuntary movements
Term
Autonomic Dysreflexia
Definition
injury T6 or above
can occur suddenly
slow HR, BP up, headache,vasoconstriction below injury, vasodilation above
if not treated can cause stroke, seizure, death
Term
poikilothermia
Definition
body temp becomes temp of environment
Term
paralytic ileus
Definition
paralysis of smooth muscles of intestine
Term
common complications in SCI
Definition
pneumonia
blood clots
spasms
autonomic dysreflexia
bowel and bladder problems
pain - burning
pressure sores
reproductive/sexual dyfunction
Term
depressed skull fracture
Definition
caved in
Term
comminuted skull fracture
Definition
splintered
Term
basilar skull fracture
Definition
base of skull
-can cause leakage of CSF (test for glucose in fluid if leaking)
-raccoon eyes and battle sign
Term
cause of depression
Definition
alteration or lack of neurotransmitters in the brain
Term
dysthymia
Definition
chronically sad mood for most of the day, more days than not, for at least 2 years
-does not affect social and occupational function significantly
Term
norepinephrine
Definition
neurotransmitter for
maintaining arousal and
regulation of mood
Term
seratonin
Definition
neurotransmitter that controls
mood
sensory perception
Term
tricyclic antidepressant
Definition
blocks reuptake of neurotransmitters a presynaptic junction
Term
monoamine oxidase inhibitor
Definition
MAOI
inhibits norepinephrine breakdown
many side effects
Term
SSRI
Definition
selective seratonin reuptake inhibitor
acts specifically on seratonin
Term
nursing intervention for depression
Definition
-daily exercise
-adequate nutrition
-relaxation measures
-realistic goals for change
-encourage pos self talk
-evaluate lethality if suicide thoughts
-teach about meds
Term
MS primarily affects the
Definition
CNS
Term
what type of disorder is MS?
Definition
neuromuscular
progressive
no cure
no known cause
autoimmune
Term
When do MS symptoms appear? When is it usually diagnosed?
Definition

When do MS symptoms appear? teens to 20s

When is it usually diagnosed? 20 - 40

Term
types of MS (4)
Definition

relapsing remitting: 85% of cases

                             acute attacks followed by full recovery

primary progressive: 10-20% of cases

                              progress from onset with no plateaus or remissions
 

secondary progressive: begins as relapsing remitting followed by increase of                                  relapse rate

progressive relapsing : progressive from onset with acute relapses

Term
What decreases the frequency and severity of MS?
Definition

meds (methylprednisone decreases inflammation)

meds to decrease muscle spasicity 

antibiotics to tx or prevent infection

deep brain stimulation 

Term
cerebral palsy  
Definition

group of motor disorders caused by dysfunction of various motor centres in the brain

 

congenital or acquired

 

 

Term
3 types of CP
Definition

Spastic: most common

           damage to cerebral cortex

           spasms with movement 

Athetoid: less common

              damaged basal ganglia

               result of blood type incompatability

              constant involuntary writhing

Ataxic : least common

           disturbed balance/coordination (intention tremor)

            damaged cerebellum

            poor muscle tone

Term
signs and symptoms of CP
Definition

seizures

feeding problems

developmental delays

abnormal muscle tone and coordination

impaired cognition

 

Term
clinical signs of FAS
Definition

growth deficiency

mental and CNS impairments

facial dysmorphology 

Term
maternal and fetal blood alcohol levels are
Definition
equal
Term
autism is
Definition

one part of a group of "pervasive mental disorders"

 

characterized by

lack of social response

gross language deficits

cognitive impairment 

Term
signs/symptoms of autism
Definition

social - isolation, like sameness, unyielding to cuddling/holding, do not show attachment, repetitive behaviors

 

developmental - cognitively challenged, may have good gross motor skill, may have exceptional abilities, poor suck reflex/feeding

 

language - parrot speech, using You for I

 

sensory - deficits, act deaf but sensitive to sound, aversion to touch, hypo or hyper sensitive to pain 

Term
Down Syndrome - what is it?
Definition

chromosomal abnormality

47 chromosomes in each cell, not 46

Trisomy 21 - 3* #21 chromosom, happens early in cell division

 mosaicism - occurs later, affects fewer cells, less severe

 translocation - a piece of chromosome detaches and attaches to another chromosome

 

Term
how is down syndrome diagnosed?
Definition

prenatal screening:

triple test (detects 3 hormones)

amnio and chorionic villus sampling

ultrasound 

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