QUESTIONS AND CORRECT ANSWERS
Incidence - CORRECT ANSWER rate or range of occurrences
Prevalence - CORRECT ANSWER percent of people with a given condition at a given time
Growth hormone deficiency - CORRECT ANSWER 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 - CORRECT ANSWER associated with weight gain, SOB, slow HR, and
intellectual impairment. Found in approx 5% of persons with TBI
Gonadtropin deficiency - CORRECT ANSWER 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 - CORRECT ANSWER 1-time measure of the severity
of head injury ranging from 1 (minor) to 6 (survivable)
Academy of Neurologic Communication Disorders and Sciences (ANCDS) - CORRECT ANSWER
A professional organization that certifies practitioners (primarily SLP's) who specialize in
neurological communication disorders.
Action potential - CORRECT ANSWER a neural impulse; a brief electrical charge that travels
down an axon
Adaptability - CORRECT ANSWER people's capacity to change their behaviors in order to
adapt to changes in their internal or external environment
Adenosine Triphosphate (ATP) - CORRECT ANSWER transports chemical energy within cells
to fuel metabolic processes
, Afferent - CORRECT ANSWER tracts of nerves that send information toward the CNS
Agnosia - CORRECT ANSWER the lack of awareness of sensations and the inability to
recognize familiar objects. Can be specific to color, familiar faces, or general objects
Agonist - CORRECT ANSWER a chemical that binds to a receptor and activates the receptor
to produce a biological response
Alcohol Use Disorders and Identification Test (AUDIT) - CORRECT ANSWER 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) - CORRECT ANSWER
a screening tool developed by WHO to assess high-risk use of alcohol and other drugs in adults
Amgydala - CORRECT ANSWER 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 - CORRECT ANSWER denial of illness or paralysis
Anterior and Posterior spinocerebellar tracts - CORRECT ANSWER 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 - CORRECT ANSWER 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 - CORRECT ANSWER marked by loss of muscle control, pain, and
temperature sensation, but without loss of proprioception and touch sensation