Chapter 15 Nervous System Flashcards
1
Q
Cerebr/o
A
Cerebrum
2
Q
Crani/o
A
Cranium (skull)
3
Q
Encephal/o
A
Brain
4
Q
Gangli/o
A
Ganglion (knot or knot like mass)
5
Q
Gli/o
A
Glue; neurological tissue
6
Q
Kinesi/o
A
Movement
7
Q
Lept/o
A
Thin, slender
8
Q
Lex/o
A
Word, phrase
9
Q
Mening/o
A
Meninges (membranes covering the brain and spinal cord)
10
Q
Meningi/o
A
Meninges (membranes covering the brain and spinal cord)
11
Q
Myel/o
A
Bone marrow; spinal cord
12
Q
Narc/o
A
Stupor; numbness; sleep
13
Q
Neur/o
A
Nerve
14
Q
Radicul/o
A
Nerve root
15
Q
Sthen/o
A
Strength
16
Q
Thalam/o
A
Thalamus
17
Q
Thec/o
A
Sheath (usually referring to the meninges)
18
Q
Ton/o
A
Tension
19
Q
Ventricul/o
A
Ventricle (of the brain or heart)
20
Q
-algesia
A
Pain
21
Q
-algia
A
Pain
22
Q
-asthenia
A
Weakness, debility
23
Q
-esthenia
A
Feeling
24
Q
-kinesia
A
Movement
25
-lepsy
Seizure
26
-paresis
Partial paralysis
27
-phasia
Speech
28
-plegia
Paralysis
29
-taxia
Order, coordination
30
Pachy-
Thick
31
Para-
Near, beside; beyond
32
Syn-
Union, together, joined
33
Agnosia
Inability to comprehend auditory, visual, spacial, olfactory, or other sensations, even though the sensory sphere is intact
34
Alzheimer disease (AD)
Type of age-associated dementia caused by small lesions called plaques that develop in the cerebral cortex and interrupt the passage of electrochemical signals between cells; also called cerebral degeneration
35
Anencephaly
Congenital deformity in which some or all of the fetal brain is missing
36
Closed head trauma
Injury to the head in which the dura mater remains intact and brain tissue is not exposed
37
Coma
Abnormally deep unconsciousness with an absence of voluntary response stimuli
38
Concussion
Traumatic injury to the brain that causes unconsciousness and is commonly of a temporary nature
39
Convulsion
Any sudden and violent contraction of one or more voluntary muscles that is commonly associated with such brain disorders as epilepsy
40
Dementia
Broad term that refers to cognitive deficit, including memory impairment
41
Dyslexia
Inability to learn and process written language, despite adequate intelligence, sensory ability, and exposure
42
Guillain-Barré syndrome
Autoimmune condition that causes acute inflammation of the peripheral nerves, damaging their myelin sheaths, resulting in decreased nerve impulses, loss of reflex response, and sudden muscle weakness; also called infective or idiopathic polyneuritis
43
Herpes zoster
Acute inflammatory eruption of highly painful vesicles on the trunk of the body or, occasionally, the face that is caused by the same virus that causes chickenpox; also called shingles
44
Huntington chorea
CNS disorder characterized by quick, involuntary movements, speech disturbances, and mental deterioration; also called neurodegenerative genetic disorder
45
Hydrocephalus
Accumulation of fluid in the ventricles of the brain, causing an increased intracranial pressure (ICP), thinning of the brain tissue, and separation of cranial bones
46
Lethargy
Abnormal inactivity or lack of response to normal stimuli
47
Myasthenia gravis (MG)
Chronic, progressive disorder in which a loss of neurotransmitter receptors produces increasingly severe muscle weakness
48
Spina bifida
Congenital deformity of the neural tube (embryonic structure that becomes the fetal brain and spinal cord), which fails to close during fetal development; also called neural tube defect
49
Meningocele
Form of spina bifida in which the spinal cord develops properly but the meninges protrude through the spine
50
Myelomeningocele
Most severe form of spina bifida in which the spinal cord and meninges protrude through the spine
51
Occulta
Form of spina bifida in which one or more vertebrae are malformed, and the spinal cord is covered with a layer of skin
52
Palsy
Paralysis, usually partial, and commonly characterized by weakness and shaking or uncontrolled tremor
53
Bell palsy
Facial paralysis caused by a functional disorder of the seventh cranial nerve; also called facial nerve palsy
54
Cerebral palsy (CP)
Type of paralysis that affects movement and muscle coordination and may affect gross and fine motor skills
55
Paralysis
Loss of voluntary motion in one or more muscle groups with or without loss of sensation
56
Paresthenia
Sensation of numbness, prickling, tingling, or heightened sensitivity
57
Parkinson disease
Degenerative disorder in which the progressive loss of brain cells leads to impairment in motor function, including tremors, muscular rigidity, and a slowing of movement; also called paralysis agitans or shaking palsy
58
Poliomyelitis
Inflammation of the gray matter of the spinal cord caused by a virus, commonly resulting in spinal and muscle deformity and paralysis
59
Radiculopathy
Disorder affecting one or more nerves at the location where the nerve root exits the spine and commonly the result of a herniated or compressed disk, degenerative changes, arthritis, or bone spurs; also called radiculitis
60
Reye syndrome
Potentially fatal syndrome that commonly causes brain swelling and liver damage and is characterized by confusion, hyperventilation, violent behavior, seizures, and possibly coma; also called acute noninflammatory encephalopathy and fatty degenerative liver failure
61
Syncope
Brief loss of consciousness and posture caused by a temporary decrease of blood flow to the brain; also called fainting
62
Electroencephalography (EEG)
Recording of electrical activity in the brain, whose cells emit distinct patterns of rhythmic electrical impulses
63
Electromyography (EMG)
Recording of electrical signals (action potentials) that occur in a muscle when it is at rest and during contraction to assess muscular disease or nerve damage
64
Lumbar puncture (LP)
Needle puncture of the spinal cavity to extract spinal fluid for diagnostic purposes, introduce anesthetic agents into the spinal canal, or remove fluid to allow other fluids (such as radiopaque substances) to be injected; also called spinal puncture and spinal tap
65
Nerve conduction velocity (NCV)
Test that measure the speed at which impulses travel through a nerve
66
Cerebrospinal fluid (CSF) analysis
Laboratory test to examine a sample of the fluid surrounding the brain and spinal cord that helps diagnose disorders of the central nervous system, including viral and bacterial infections, tumors, and hemorrhage
67
Computed tomography angiography (CTA, CT angiography)
Radiographic image of the interior of a vessel in combination with a CT scan to produce high-resolution, three-dimensional images of blood vessels
68
Discography
CT scan of the lumbar region after injection of a contrast medium to detect problems with the spine and spinal nerve roots
69
Echoencephalography
Ultrasound technique used to study intracranial structures of the brain and diagnose conditions that cause a shift in the midline structures of the brain
70
Magnetic source imaging (MSI)
Noninvasive neuroimaging technique to pinpoint the specific location where seizure activity originates and enable custom surgical treatment for tumor and epileptic tissue resection; also called magnetoencephalography (MEG)
71
Myelography
Radiographic examination to detect pathology of the spinal cord, including the location of a spinal cord injury, cysts, and tumors following injection of a contrast medium
72
Positron emission tomography (PET)
Compound tomography that records the positrons (positively charged particles) emitted from a radiopharmacutical and produces a cross-sectional image of metabolic activity of body tissues to determine the presence of disease
73
Cryosurgery
Technique that exposes abnormal issue to extreme cold to destroy it
74
Thalamotomy
Partial destruction of the thalamus to treat intractable pain; involuntary movements; including tremors in Parkinson’s disease; or emotional disturbances
75
Tractotomy
Transection of a nerve tract in the brain stem or spinal cord
76
Trephination
Technique that cuts a circular opening into the skull to reveal brain tissue and decrease intracranial pressure
77
Ventriculoperitoneal shunting
Relieves intracranial pressure due to hydrocephalus by diverting (shunting) excess cerebrospinal fluid from the ventricles into the peritoneal or thoracic cavity
78
Intravenous (IV) tissue plasminogen activator (tPA)
Treatment for ischemic stroke using tissue plasminogen activator (tPA), a potent clot-busting drug, injected directly into a vein
79
Plasmapheresis
Extracorporeal procedure to treat patients with autoimmune diseases by removing their plasma containing the offending antibodies and replacing it with donor plasma or plasma substitutes
80
Stereotactic radiosurgery (SRS)
Procedure that uses three-dimensional imaging (stereotactic) along with high doses of highly focused radiation to destroy tumors and other abnormal growths in the brain, spinal column, and other body sites with minimal exposure to surrounding healthy tissue
81
Anesthetics
Produce partial or complete loss sensation, with or without loss of consciousness
82
General anesthetic
Act upon the brain to produce complete loss of feeling along with loss of consciousness
Propofol
83
Local anesthetic
Act upon nerves or nerve tracts to affect only a local area
Procaine, lidocaine
84
Nerve block anesthetic
Blocks pain from the area supplied by that nerve
Levobupivacaine
85
Anticonvulsants
Prevent uncontrolled neuron activity associated with seizures by altering electrical transmission along neurons or altering the chemical composition of neurotransmitters; also called antiepileptics
Carbamazepine, valproate, phenytoin
86
Antiparkinsonian agents
Control tremors and muscle rigidity associated with Parkinson disease by increasing dopamine in the brain
Levodopa, levodopa/carbidopa
87
Psychiatric antianxiety agents
React at distinct receptor sites in the lambic and cortical system to decrease anxiety
Alprazolam, buspirone
88
Antipsychotics
Treat psychosis, paranoia, ad schizophrenia by altering chemicals in the brain, including the lambic system, which controls emotions
Clozapine, risperidone
89
Antidepressants
Treat multiple symptoms of depression by increasing levels of specific neurotransmitters
Citalopram, fluoxetine
90
Hypnotics
Depress central nervous system (CNS) functions, promote sedation and sleep, and relieve agitation, anxiousness, and restlessness
Temazepam, zolpidem
91
Psychostimulants
Reduce impulsive behavior by increasing the level of neurotransmitters
Dextroamphetamine, methylphenidate
92
AD
Alzheimer’s disease
93
AChR
Acetylcholine receptor
94
ADHD
Attention deficit-hyperactivity disorder
95
CNS
Central nervous system
96
CP
Cerebral palsy
97
CSF
Cerebrospinal fluid
98
CT
Computed tomography
99
CTA
Computed tomography angiography
100
CVA
Cerebrovascular accident
101
EEG
Electroencephalography
102
EMG
Electromyography
103
ICP
Intracranial pressure
104
IV
Intravenous
105
LP
Lumbar puncture
106
MEG
Magnetoencephalography
107
MG
Myasthenia gravis
108
MRI
Magnetic resonance imaging
109
MS
Multiple sclerosis; mental status; musculoskeletal; mitral stenosis
110
MSI
Magnetic source imaging
111
NCV
Nerve conduction velocity
112
PET
Positron emission tomography
113
PNS
Peripheral nervous system
114
SRS
Stereotactic radiosurgery
115
TIA
Transient ischemic attack
116
tPA
Tissue plasminogen activator