VERIFIED ANSWERS |ALREADY A+
GRADED|GUARANTEED PASS
incidence - rate or range of occurrences
prevalence - percent of people with a given condition at a given time
Growth hormone deficiency - associated with fatigue, increased risk of thinning of the
bones, elevated cholesterol, and hardening of arteries. Found in approx 20% of moderate-
severe TBI's
Hypothyroidism - associated with weight gain, SOB, slow HR, and intellectual impairment.
Found in approx 5% of persons with TBI
Gonadtropin deficiency - associated with decreased libido, muscle mass, and strength,
premature menopause and thinking of the bones. Found in approx 10-15% of persons with TBI
Abbreviated Injury Scale for the Head - 1-time measure of the severity of head injury
ranging from 1 (minor) to 6 (survivable)
Academy of Neurologic Communication Disorders and Sciences (ANCDS) - A professional
organization that certifies practitioners (primarily SLP's) who specialize in neurological
communication disorders.
action potential - a neural impulse; a brief electrical charge that travels down an axon
Adaptability - people's capacity to change their behaviors in order to adapt to changes in
their internal or external environment
Adenosine Triphosphate (ATP) - transports chemical energy within cells to fuel metabolic
processes
Afferent - tracts of nerves that send information toward the CNS
Agnosia - the lack of awareness of sensations and the inability to recognize familiar
objects. Can be specific to color, familiar faces, or general objects
, Agonist - a chemical that binds to a receptor and activates the receptor to produce a
biological response
Alcohol Use Disorders and Identification Test (AUDIT) - a 10-question instrument used to
gather info on the amount of a patient's drinking, symptoms of dependence, and harmful
effects on their life
Alcohol, Smoking, and Substance-use Involvement Screening Test (ASSIST) - a screening
tool developed by WHO to assess high-risk use of alcohol and other drugs in adults
Amgydala - a part of the limbic system that plays a central role in many emotional
processes, particularly the formation of emotional memories and reactions, including fight-or-
flight response
Anosognosia - denial of illness or paralysis
Anterior and Posterior spinocerebellar tracts - Afferent nerve tracts send info to the
cerebellum, helping to interpret proprioception. Located laterally in the SC and just anterior or
posterior to the midline
Anterior cingulate - the frontal part of the cingulate cortex (part of the corpus callosum)
that regulates certain autonomic functions, including blood pressure and heart rate; it also plays
a role in empathy, impulse control, reward anticipation and decision-making
Anterior cord syndrome - marked by loss of muscle control, pain, and temperature
sensation, but without loss of proprioception and touch sensation
anterior corticospinal tract - efferent nerve bundles located in the ventral-medial cord;
carries impulses from the motor cortex to muscles and organs
anterior longitudinal ligament - ligament connecting the SC; runs anterior of vertebral
bodies
Anterior spinal artery - a large artery that is fed mainly from the aorta; runs anterior to
the spinal cord and provides blood supply to it. Supplies 2/3
Anti-cholinergics - a class of drugs that block the action of the NT acetylcholine in the
CNS and PNS
APOEe4 - the genetic allele associated with increased risk for Alzheimer's Disease
Aptosis - a naturally occurring process that involves a controlled sequence of steps that
tell a cell to terminate itself; cell death