Ch 11 Key Terms Flashcards
absence seizure
a sudden, temporary loss of mental awareness and physical activity lasting a few seconds to several minutes; also known as a petit mal seizure.
altered mental status
a condition in which a person’s level of awareness or responsiveness has changed.
aura
a subjective sensation that precedes a seizure.
clonic activity
the spasmodic jerking of muscles during a seizure.
coma
an abnormal loss of responsiveness during which the patient cannot be aroused by external stimuli.
delirium
a state of mental confusion and/or excitement characterized by disorientation with respect to time and place; may be associated with delusions and hallucinations.
dementia
a broad impairment of intellectual function (cognition) that usually is progressive and that interferes with normal social and occupational activities.
diabetes mellitus
a term that refers to a complex group of syndromes having in common a disturbance in the use of glucose; a condition that is often a result of a malfunction of the beta cells of the pancreas, whose function is the production and release of insulin.
generalized seizure
a seizure consisting of the sudden onset of unresponsiveness, tonic contraction of muscles, loss of postural control, and a cry caused by contraction of respiratory muscles that forces an exhalation; clonic contractions of muscles occur, followed by a period of somulence.
glucagon
a hormone that stimulates the breakdown of glycogen, a storage form of glucose in the liver; is sometimes administered by injection to temporarily raise glucose levels in patients with symptomatic hypoglycemia.
glucose
a simple sugar that is the end product of carbohydrate digestion in the body and the chief source of energy for most cells, especially neurons.
glycogen
a stored form of glucose or carbohydrate that is made by the body; located primarily in liver or muscle.
hyperglycemia
an excess of glucose in the blood; when severe, may be associated with confusion or changes in mental status.
hypoglycemia
an insufficient amount of glucose in the blood; may be associated with a myriad of signs and symptoms such as tremor, diaphoresis, drowsiness, headache, confusion, and lack of responsiveness.
insulin
a condition in which a person’s level of awareness or responsiveness has changed.