meninges- spinal cord Flashcards
meninges
covering over brain tissue/ spinal cord
meningitis
infection of the meninges
is meningitis contagious
yes
what kind of symptoms does meningitis have
flu like
encephalitis
brain swelling
hydrocephalus
H2o on the brain
what causes encephalitis
germ
cerebrospinal fluid
fluid in brain and spinal cord
function of cerebrospinal fluid
cushion (protection)
what is the blood brain barrier made of
capillaries
function of blood brain barrier
prevent certain substances from entering brain tissue
what things cross the blood brain barrier
glucose, essential amino acid, H2o
concussion
bruised brain;dizzy, dont go to sleep, comes back
contusion
brain tissue bruised and damaged, doesnt come back
CVA full name
cerebro vascular attack
CVA
stroke:3rd leading cause of death in US
cause if CVA
high BP
TIA full name
transcient Ischemic attack
TIA
(5-50 min); temporary numbness, impaired speech; a warning; brain tissue dies
alzheimers
progressive degeneration of the brain
what have scientists discovered about Alzheimer’s
protein deposits might be linked
is there a cure for Alzheimer’s
no cure
cause of alzheimers
unknown
is Alzheimers genetic
possibly
what is the protein called that might be the cause of alzheimers
tau
how much of the pop has epilepsy
1%
epilepsy
seizures, muscle spasms, effects nerve impulses
what can trigger epilepsies
light
what does epilepsy effect
nerve impulses
what can help epilepsy
implant or medication
what do people say they feel before epilepsy
hear, smell, and see things; sensory neurons off
parkinsons
tremors, lost control of skeletal muscles
cause of parkinsons
lack of dopamine
huntingtons disease
insane behavior around age 40
describe the uniqueness of Huntington’s disease
dominate gene
genetic
polio
effects muscles
what causes polio
virus in water (pools)
when did polio really take over
1950’s
what is the cure for polio
never fully cured but vaccines
can polio be triggered
yes
spina bifida
too many holes in the sacrum so bacteria gets in, paralisis
what can spina bifida lead to
paralysis
what can they do to help spina bifida
put catheter in
orthostatic hypotension
NS “firing” slower, BP down, signal to medulla is down (dizzy), 1 place too long,molder people
how is your blood pressure in orthostatic hypotension
low
how does the signal to the medulla get affected by orthostatic hypotension
slower
symptoms of orthostatic hypotension
dizzy
cause of orthostatic hypotension
1 place too long
who does orthostatic hypotension tend to affect
older people
shingles
lines of blisters above the waste
what is shingles caused by
herpes virus
what is connected to shingles
chicken pox
what causes shingles
stress
how long is the spinal cord
17”
where is the spinal cord
enclosed in the vertebrae (back bone), covered by meninges and contain CSF
what covers the spinal cord
meninges
what does the spinal cord contain
CSF
what is the spinal cord involved in
reflexes
how many nerves are in the spinal cord
31 pairs
what is the end of the spinal cord called
cauda equina