B
A bruise of brain tissue describes what cerebral condition?
contusion
what is paralysis of the lower extremities due to spinal cord injury called?
paraplegia
what is the degenerative deterioration of the nerves in the brain stem, primarily the motor area, called?
parkinsons disease
what is a diagnostic sign for meningitis marked by a person inability to extend the leg completely when the thigh is flexed upon the abdomen and the person is sitting or lying down ?
kernigs sign
what is the chronic progressive neuromuscular disorder that causes severe skeletal muscle weakness?
myasthenia gravis
what is chemical substance in tissue that facilitates the transmission of nerve impulses from one nerve to another that has both stimulant and depressive effects?
acetylcholine
I cover the axon and increase the speed of signaling: what am I?
what is myelin
what is decreased blood flow associated with a stroke known as?
ischemia
what is the inability to communicate through speech, writing, or signs because of an injury to or disease in certain areas of the brain called?
aphasia
what is the stiff neck associated with meningitis called?
nuchal rigidity
what is a highly malignant tumor of the sympathetic system known as?
neuroblastoma
what keeps harmful substances away from the brain?
blood brain barrier
what is the abnormal sensation of numbness or tingling called?
paresthesia
which term best describes the loss of mental ability to understand sensory stimuli?
agnosia
what type of seizure is associated with an "aura"
grand mal seizures
space between the nerves
Synapse
what is the generic term for lack of muscular coordination?
ataxia
what best describes a seizure disorder ?
epilepsy
what is the inability to perform coordinated movements called?
apraxia
what is inflammation of the brain or spinal cord?
encephalitis
what are the three major parts of the neuron?
what are the soma, axon, and dendrite