Chapter 10 Exam 4 Flashcards
nerves that carry sensory nerve impulses from the body to the spinal cord or brain
afferent nerves
division of the peripheral nervous system that carries nerve impulses to the heart; involuntary smooth muscles; and glands. Includes the parasympathatic division and the sympathetic division
autonomic nervous system
division of the nervous system that includes the brain and the spinal cord
central nervous system
nerves that carry motor nerve impulses from the spinal cord or brain to the body
efferent nerves
body system that consists of the brain; spinal cord; cranial nerves; and spinal nerves. Includes the central nervous system and the peripheral nervous sytem and its divisions
nervous system
division of the nervous system that includes the cranial nerves and the spinal nerves
peripheral nervous system
involuntary muscle reaction that is controlled by the spinal cord
reflex
division of the peripheral nervous system that controls the movements of voluntary skeletal muscles
somatic nervous system
thin; middle layer of the meninges that contains a spider-weblike network of fibers that go into the subarachnoid space
arachnoid
largest organ of the nervous system; part of the central nervous system and is located in the cranial cavity
brain
clear fluid that is produced by the ependymal cells that line the ventricles in the brain and the canal within the spinal cord. Cushions and protects the brain and contains glucose and other nutrients
cerebrospinal fluid
largest and most visible part of the brain. Surface contains gyri and sulci. Divided into 2 hemispheres
cerebrum
rounded dome of bone at the top of the skull
cranium
tough; outemost layer of the meninges
dura mater
three separate membranes that envelp and protect the entire brain and spinal cord; includes the dura mater; arachnoid; and pia mater
meninges
thin; delicate; innermoste layer of the meninges
pia mater
space beneath the arachnoid layer of the meninges; filled with cerebrospinal fluid
subarachnoid space
one of four hollow chambers in the brain that contains cerebrospinal fluid
ventricle
hollow cavity within each vertebra
spinal cavity
part of the central nervous system; begins with the medulla oblongata of the brain and extends down the back within the spinal cavity and ends at lumbar vertebra L2
spinal cord
twelve pairs of nerves that originate in the brain and carry sensory nerve impulses to the brain and/or motor nerve impulses from the brain
cranial nerves
thirty-one pairs of nerves; each pair joins the spinal cord in the area between 2 vertebrae
spinal nerves
a bundle of individual neurons
nerve
an indvidual nerve cell
neuron
partial or total loss of memory of receent or remotes experiences
amnesia
amnesia word breakdown
amnes/o- forgetfulness -ia condition; state; thing
rare congenital codition in which some or all of the cranium and cerebrum are missing
anencephaly
anencephaly word breakdown
an- without; not -encephaly condition of the brain
loss of the ability to communicate verbally or in writing due to head trauma; stroke; or alzheimer’s disease
aphasia
aphasia word breakdown
a- away from; without phas/o- speech -ia condition; state; thing
limited impairment that involves some difficulty speaking or understanding words
dysphasia
dysphasia word breakdown
dys- painful; difficult; abnormal phas/o- speech -ia condition; state; thing
pain in the head
cephalagia
cephalagia word breakdown
cephal/o- head alg/o- pain -ia conditaion; state; thing
cephalagia AKA
headache
caused by a lack of oxygen to parts of the fetus’ brain during birth resulting in spastic muscels; lack of coordiation in walking eating and talking; muscle paralysis; seizure or mental retardation
cerebral palsy
cerebral word breakdown
cerebr/o- cerebrum -al pertaining to
disruption or blockage of blood flow to the brain; which causes tissue deat and an area of necrosis known as an infarct
cerebrovascular accident
cerebrovascular word breakdown
cerebr/o- cerebrum vascul/o- blood vessel -ar pertaining to
cerebriovascular accident AKA
stroke or brain attack
temporary lack of oxygenated blood to an area of the brain; effects last only 24 hrs.
transient ischemic attack
ischemic word breakdown
isch/o- keep back; block -emic pertaining to a condition of the blood or a substance in the blood
muscle weakness on one side of the body
hemiparesis
paresis
condition of weakness
paralysis on one side of the body
hemiplegia
hemiplegia word breakdown
hemi- one half pleg/o- paralysis -ia condition; state; thing
deep state of unconscuousness and unresponsiveness caused by trauma or disease in the brain; metabolic imbalance with accumlation of waste products in the blood; too little glucose in the blood
coma
traumatic injury to the brain that resus in an immediated loss of consciousness for a brief or prologned period of time
concussion
concussion word breakdown
concussion/o-violent shakin or garring -ion action; condition
traumatic injury to the brain or spinal cord
contusion
contusion word breakdown
contus/o- brusing -ion action; condition
disease of the brain in which many many neurons in cerebrum dies; the cerebral cortex shinks in size; and there is progressive deterioration in mental function
dementia
dementia word breakdown
de-reversal of; without ment/o- mind; chin -ia condition; state; thing
demential associated with old age
senile-onset dementia
senile word breakdown
sen/o- old age ile pertaining to
hereditary dementia that is know to run in families with inherited mutatuons on chromosmes 1;14; 21
alzheimer’s disease
hereditary genetic defect in which there are three of chromosome 21 instead of the normal two causing mild-to-severe mental retardation and characteristic physical features of a large; protruding tongue; short fingers; and a single transveres crease on the palm of the hand
down syndrome
difficulty reading and writing words even though visual acuity and intelligenve are normal
dyslexia
dyslexia word breakdown
dys-painfl; difficult; abnormal lex/o- word -ic pertaining to
inflammation and infection of the brain caused by a virus
encephalitis
encephalitis word breakdown
encephal/o- brain it is inflammation of; infection of
recurring condition in which a group of neurons in the brain spontaneously sends out electrical impulses in an abnormal; uncontrolled way
epilepsy
Epilepsy aka
Seizure or convulsion
visual; olfactory; sensory or auditory sign
aura
prolonged; continuous seizure or repeated seizures that occur without the patient regaining consiousness
status epilepticus
unconsciousness with excessive motor activity
tonic clonic (grand mal)
tonic word breakdown
ton/o- pressure; tone -ic pertaining to
clonic word breakdown
clon/o- rapid contracting and relazing -ic pertaining to
impaired consciousness with slight or no muscle activity
absense (petit mal)
localaized collection of blood that forms in the brain because of traume to the cranium or the repture of an intracranial aneurysm or an AVM
hematoma
hematoma word breakdown
hemat/o- blood -oma tumor; mass
hematoma formed under the dura mater
subdural hematoma
subdural word breakdown
sub-below; underneaths dur/o- dura mater -al pertaining to
progressive inherited degenerative disease of the brain that begins in middle age characterized by dementia with spasms of the extremities and face; alternating with slow writhing movements of the hands and feet
huntington’s chorea
condition in which an excessive amount of cerebrospinal fluid is produced or the flow of cerebrospinal fluid is bloced; intracranial pressure increase; distends the ventricles; and compresses the brain tissue
hydrocephalus
hydrocephalus word breakdown
hydr/o- water; fluid cephalus head
inflammation and infection of the meninges of the brain or spinal cord caused by a bacteriyn or virus
meningitis
meningitis word breakdown
mening/o- meninges -it is inflammation of; infection of
specific type of recurring headache that has a sudden onset with severe; throbbing pain; often on just one side of the head; often accompanied by nausea and vomitting and sensitivity to light
migraine headace
sensitivity to light
photophobia
brief; involuntary episodes of falling asleep during the daytime while engaged in activity
narcolepsy
narcolepsy word breakdown
narc/o- stupor; sleep -lepsy seizure
chronic; degenerative disease due to an imbalance in the levels of the neurotransmitters dopamine and acetylcholine in the brain
parkinson’s disease
temporary loss of consciousness
syncope
a protrusion of the meninges through the skin
meningocele
meningocele word breakdown
mening/o- meninges -cele hernia
acute or chronic condition that occurs because of a tumor; arthritis; or a herniated nucleus pulposus
radiculopathy
radiculopathy word breakdown
radicul/o- spinal nerve root pathy disease
the contents of an intervertebral disk are forced out through a week area in the disk wall
herniated nucleus pulposus
herniated word breakdown
herni/o- hernia -ated pertainint to a condition; composed of
radiculopathy AKA
sciatica
trauma to the spinal cord with a partial or complete transection of the cord; interupts nerve impulses causing partial or complted anesthesia and paralysis
spinal cord injury
an injury to the lower spnal cord; paralysis of the legs
paraplegia
an ingury to the upper spinal cord; paralysis of all four extremities
quadriplegia
chronic; progressive disease of the motor nerves coming from the spinal cord causing muscle wasting and spasms with eventual paralysis fo all the muscles; including th swallowing and respiratory muscles
amyotropic lateral sclerosis
amyotropic word breakdown
a-away from; withoug my/o- muscle troph/o- development -ic pertaining to
sclerosis word breakdown
scler/o- hard; sclera -osis condition; abnormal condition; process
condition in which sensation of any type; including touch; pressure; proprioception; or pain; has been lost
anesthesia
anesthesia word breakdown
an- without esthes/o- sensation; feeling -ia condition; state; thing
weakness; droooing; or actual paralysis on one side of the face becauase of inflammation of the facial nerve; caused by a viral infection; possibly herpes virus
Bell’s Palsy
chronic condition cause by repetitive motions of the hand and wrist; often from constant typing or data entry
carpal tunnel syndrome
carpal word breakdown
carp/o- wrist -al pertaining to
autoimmune disorder in which the body makes antiboides against myelin. There is acute inflammation of the peripheral nerves; loss of myelin with interruption of nerve conducation; muscle weakness; and changes in sensation
Guillain-Barre Syndrome
condition in which there is a hightened awareness and sensitivity to touch and increased response to painful stimuli
hypersthesia
hypersthesia word breakdown
hyper- above; more than normal esthes/o- sensation; feeling -ia condition; state; thing
chronic; progressive; degenerative autoimmune disorder in which the body makes antibodies against myelin
multiple sclerosis
pain along the path of a nerve and its brances that is cause by an injury
neuralgia
neuralgia word breakdown
neur/o- nerve alg/o- pain -ia condition; state; thing
inflammation or infection of a nerve
neuritis
neuritis word breakdown
neur/o- nerve -it is inflammation of; infection of
generalized inflammation of many nerves in one part of the body or all the nerves in the body
polyneuritis
polyneuritis word breakdown
poly-many; much neur/o-nerve it is inflammation of; infection of
hereditary disease with multiple benign fibrous tumors that grow on the peripheral neres
neurofibromatosis
neurofibromatosis word breakdowns
neur/o- nerve fibr/o- fiber -omatosis abnormal condition of tumors or masses
benign tumor of a nerve or any of the specialized cells of the nervous system
neuroma
neuroma word breakdown
neur/o- nerve -oma tumor; mass
general category for any type of diseas or injury to a nere
neuropathy
neuropathy word breakdown
neur/o- nerve -pathy disease
conditaion in which abnormal sensations; such as tingling; burning; or pinpricks; are felt on the skin
paresthesia
paresthesia word breakdown
para- beside; apart from; two parts of a pair; abnormal esthes/o- sensation; feeling -ia condition; state; thing
test that examines the CSF for clariy and color; microscopically for cells; and chemically for proteins and other substances
cerebrospinal fluid examination
procedure to record the electrical activity of the brain; multiples electrodes are placed on the scalp overlying specific lobes of the brain
electroencephalography
electroencephalography word breakdown
electr/o- electricity encephal/o- brain -graph instrument used to record
procedure to diagnose the underlying conditions that can cause insomnia; sleep disruption; sleep apnea; or narcolepsy; electodes on the face and head and various other monitors are used to record the patient’s EEG; eye movemebts; muscle activity; hearbeat; and respirations during sleep
polysomnography
polysomnography word breakdown
poly many; much somn/o sleep -graphy process of recording
neurologic test in which the end of the metal handle of a percussion hammer is used to firmly stroke the lateral sole of the foot from the heel to the toes
babinski’s sign
numerical scale that measures the depth of a coma; ranges from 1 to 15 and is the sum of individual scores for eye opening; motor response; and verbal response following a painful stimulus
glasgow coma scale (GCS)
procedure to obtain cerbrospinal fluid for testing
lumbar puncture (LP)
lumbar puncture AKA
spinal tap
procedure that uses an electrical device to control chronic pain
transcutaneous electrical nerve stimulation (TENS) unit
transcutaneous word breakdown
trans- across; through cutane/o-skin -ous pertaining to
procedure to remove plaque from the carotid artery
carotid endarterectomy
endarterectomy word breakdown
endo- innermost; withing arter/o- artery -ectomy surgical removal
surgical incision into the cranium to expose the brain tissue
craniotomy
craniotomy word breakdown
crani/o- cranium (skull) -tomy process of cutting or making an incision
surgical removal of party or all of a herniated nucleus pulposus from an intervertebral disk
diskectomy
diskectomy word breakdown
disk/o- disk -ectomy surgical removal
surgical removal of the lamina (the flat area of the arch of the vertebra)
laminectomy
laminectomy word breakdown
lamin/o- lamina -ectoy surgical removal
ALS
amyotropic lateral sclerosis
CNS
central nervous system
CP
cerebral palsy
CSF
cerebrospinal fluid
CTS
carpal tunnel syndrome
CVS
cerebrovascular accident
EEG
electroencephalography; electroencephalogram
GCS
glasgow coma scale (or score)
HNP
herniated nucleus pulposus
LP
lumbar puncture
SCI
spinal cord injury
TENS
transcutaneous electrical nerve stimulation unit
TIA
transient ischemic attack