unit 15: Central Nervous System Flashcards
I olfactory
sense of smell
II optic
sense of sight
III oculomotor
movement of eye muscles and pupil
IV trochlear
movement of superior oblique muscle of the eyeball
V trigeminal
sensory and motor - opthalmic, maxillary, mandibular
VI abducens
movement of lateral rectus muscle of the eyeball
VII facial
movement of muscles for facial expressions
VIII vestibulocochlear
sense of equilibrium and hearing
IX glossopharyngeal
reflex control of the heart, swallowing, and taste
X vagus
voicebox, throat, windpipe, lungs, heart, and most of the digestive system
XI spinal accessory
movement of trapezius and sternocleidomastoid
XII hypoglossal
movement of tongue
aura
a sensation that precedes the onset of certain disorders - migraine or seizure
agnosia
loss of ability to interpret sensory stimuli
amaurosis
loss of sight, blindness
analgesia
absence of pain
astereognosia
inability to recognize objects by touch
ataxia
failure of muscular coordination
burr holes
holes drilled into the skull during surgery to drain/irrigate an abscess
cerebral palsy
disorder of movement and posture resulting from an immature brain
cerebral thrombosis
blockage of blood flow in brain caused by a blood clot
chordotomy
to cut into the spinal cord
concussion
trauma-induced change in mental status
contusion
bruise
convulsion
seizure consisting of a series of involuntary contractions
craniotomy
incision into the skull
diplegia
paralysis of like parts on either side of the body
diplopia
double vision
dipsomania
craving for alcoholic beverages
encephalitis
inflammation of the brain
encephalomalacia
softening of the brain
euphoria
feeling of well-being
extradural hemorrhage
blood between the skull and dura mater
flaccid paralysis
paralysis with loss of muscle tone
hemiplegia
paralysis of one side of the body
hydrocephaly
accumulation of cerebrospinal fluid in the brain
hysteria
experience physical symptoms that have a psychological cause
idiopathic epilepsy
seizure without evident cause
idiot
profound mental retardation
imbecile
intermediate mental retardation
laminectomy
excision of the lamina
meningitis
inflammation of the meninges
meningioma
benign tumor of the meninges
migraine
severe recurring headache
myasthenia gravis
autoimmune disease that causes muscle weakness
neuralgia
nerve pain
neurectomy
excision of a nerve
neuritis
inflammation of a nerve
neuroma
tumor of a nerve
neurotripsy
surgical crushing of a nerve
nystagmus
involuntary rapid movement of the eyeball
nuchal rigidity
impaired neck flexion due to muscle spasm
paraplegia
paralysis of lower body
paresthesia
morbid/abnormal sensation such as burning, prickling
quadriplegia
paralysis of all four limbs
rhizotomy
incision into the nerve root
scanning speech
slow speech with interruptions
sciatica
nerve pain along the sciatic nerve
spina bifida
congenital defect in which spinal column is imperfectly closed so part of the meninges or spinal cord may protrude
status epilepticus
rapid succession of epileptical spasms without intervals of consciousness
stroke
sudden death of brain cells
subdural hematoma
collection of blood between the outer and middle layer of the brain
tic
an involuntary, compulsive, rapid, repetitive movement or vocalization
tinnitus
hearing ringing, buzzing, or other sounds without external cause
trigeminal neuralgia
sharp, stabbing pain in cheeks, lips, gums or chin
vertigo
dizziness