Study your flashcards anywhere!

Download the official Cram app for free >

  • Shuffle
    Toggle On
    Toggle Off
  • Alphabetize
    Toggle On
    Toggle Off
  • Front First
    Toggle On
    Toggle Off
  • Both Sides
    Toggle On
    Toggle Off
  • Read
    Toggle On
    Toggle Off
Reading...
Front

How to study your flashcards.

Right/Left arrow keys: Navigate between flashcards.right arrow keyleft arrow key

Up/Down arrow keys: Flip the card between the front and back.down keyup key

H key: Show hint (3rd side).h key

A key: Read text to speech.a key

image

Play button

image

Play button

image

Progress

1/47

Click to flip

47 Cards in this Set

  • Front
  • Back
a small seizure in which there is a sudden, temporary loss of consciousness, lasting only a few seconds
absence seizure, petit mal seizures
chemical substance that facilitates transmission of nerve impulses from one nerve to anothercan have an excitatory or depressant effect
acetylcholine
transmitters of nerve impulses toward the cns
afferent or sensory nerves
agnosia
loss of mental ability to understand sensory stimuli
agraphia
the inability to convert one's thoughts into writing
alexia
unability to understand written words
analgesia
without sensitivity to pain
anesthesia
without feeling or sensation
aneurysm
localized dialation in the wall of an artery that expans with each pulsation of the artery; usually caused by hypertension or artherosclerosis
aphasia
inability to communicate through speech, writing, or signs because of an injury to or disease in certain areas of the brain
apraxia
inability to perform coordinated movements or use objects properly; not associated with sensory or motor impairment or paralysis
arachnoid membrane
weblike middle layer of the three membranous layers surroundidn the brain and spinal cord
astrocyte
star-shaped neuroglial cell found in the cns
tumor of the brain or spinal cord composed of astrocytes
astrocytoma
ataxia
without muscular coordination
aura
sensation an individual experiences prior to onset of migraine or epileptic seizure
ANS
part of the ns that regulates invouluntary vital functions
2 divisions of the ANS
sympathetic and parasympathetic nervous systems
axon
part of nerve cell that transports impulses away from cell body
blood-brain barrier
protective characteristic of the capillary walls of the brain that prevent passage of harmful substances
bradykinesia
abnormally slow movement
brain stem
stemlike portion of the brain that connects the cerebral hemisphere with the spinal cord
three parts of the brain stem
midbrain, pons, and medulla oblongata
Brudzinski's sign
positive sign of meningitis,
involuntary flexion of the arm, hip, and knee when the patient's neck is passively flexed
burr hole
hole drilled in skull using a form of drill
cauda equina
lower end of the spinal cord and the roots of the spinal nerves that occupy the spinal cord below the first lumbar vertebra; resembles a horse's tail
causalgia
sensation of acute burning pain along the path of a peripheral nerve, sometimes accompanied by erythoma of the skin; due to injury of the peripheral nerve fibers
CNS
one of the two main divisions of the nervous system, consists of the brain and spinal cord
cephalgia
headache
cerebellum
part of brain responsible for coordination voluntary muscular movement; located behind the brain stem
cerebral contusion
venous hemorrhages in the brain; a bruise of the brain tissue occuring when the brain strikes the inner skull
cerebral cortex
thin outer layer of nerve tissue, known as gray matter, covers the surface of the cerebrum
cerebrospinal fluid
fluid flowing through the brain and around the spinal cord that protects them from physical blow or impact
cerebrum
larges and uppermost part of the brain; controls consciousness, memory, sensations, emotions, and voluntary movements
Cheyne-Stokes respiratios
abnormal pattern of breathing characterized by periods of apnea followed by deep, rapid breathing
coma
deep sleep in which individual cannot be aroused and does not respond to external stimuli
comatose
pertains to being in a coma
contracture
permanant shortening of a muscle causing a joint to remian in an abnormally flexed position, with resultant physical deformity
convolution or gyrus
elevated fold of the surface of the cerebrum
cainiotomy
surgical incision into the cranium or skull
deficit
any deficency or variation of the normal, as in weakness deficit resulting from cerebrovascular accident
dementia
progressive, irreversible mental disorder in which the person has deteriorating memory, judgment, and ability to think
demyelination
destruction or removal of the myelin sheath that covers a nerve or nerve fiber
dendrite
projection that extends from the nerve cell body; receives impulses and conducts them on to the cell body
diencephalom
part of the brain between the cerebrum and midbraim
three structures of the diencephalom
thalamus, hypothalamus, and pineal gland
diplopia or ambiopia
double vision