Glossary 2 Flashcards
Define agnosia
loss of ability to recognize objects through a particular sensory system
define ataxia
inability to coordinate muscle movements
define autonomic nervous system
division of nervous system that regulates involuntary body functions
define axon
portion of neuron that conducts impulses away from the cell body
define babinski reflex
a reflex action of the toes, normal in pedia, abnormal in adult
define clonus
abnormal movement marked by alternating contractions and relaxation occurring in rapid succession
define delirium
an acute confused state that begins with disorientation and if not treated will lead to change of loc, irreversible brain damage and death
Define dendrite
portion of the neuron that conducts impulses toward the cell body
Define flaccidity
displaying lack of muscle tone
define parasympathetic nervous system
active primarily during non stressful conditions
define position sense
awareness of position of the parts of the body without looking at them
define reflex
an automatic response to stimuli
define rigidity
increase muscle tone at rest, resistance to passive stretch
define romberg test
test that can be done with the patient seated or standing
define spasticity
increase tension of muscle when passively lengthen or stretched
define sympathetic nervous system
excitatory responses, fight or flight system
define vertigo
illusion of movement in which the individual or surrounding are sensed as moving
