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Unit 3 Seizures
Terms in this set (17)
Which is the approximate number of people in the United States who are affected by seizure disorders?
Which are causes of seizures?
Injury to the brain can result in damage to brain cells, which can lead to seizure disorders.
Seizures are a frequent symptom of brain tumors, as tumors can cause damage to brain cells.
Hemorrhage, or bleeding in the brain, can damage cells in the brain, which result in seizures.
Infection or inflammation
Infection or inflammation, especially of the central nervous system, can cause seizures.
Sudden withdrawal from alcohol or sedatives
Sudden withdrawal from alcohol or sedatives can result in disruption of electrical activity in the brain.
Which could trigger a seizure in an individual with a known seizure disorder?
Fluid retention can cause swelling in the brain, which can trigger a seizure.
Which is a common although usually not a dangerous type of childhood seizure?
Many infants and young children experience seizures with a high fever. This usually resolves itself and does not lead to long-term problems.
Which are signs of the prodromal phase of a seizure?
Which phase of a seizure is described as visual, olfactory, or auditory hallucinations?
An aura is characterized by hallucinations which may be visual, olfactory, or auditory, prior to loss of consciousness.
Which characteristics describe the post-ictal phase of a seizure?
Occurs following a seizure
Which type of generalized seizure is described as a brief loss of awareness and transient muscle twitching, and occurs most commonly in children?
Which are the characteristics of generalized seizures?
Bladder or bowel incontinence
Often accompanied by involuntary movements
Which describe types of generalized seizure?
Absence (petit mal)
Grand mal (tonic-clonic)
Which is the age range in which idiopathic seizures disorders usually become apparent?
Congenital seizures disorders usually manifest during infancy.
Which describes characteristics of complex partial seizures?
Alterations in consciousness
Can progress to generalized seizures
Can involve shaking or involuntary movements
Place the sequence of the onset and resolution of a grand mal seizure in the appropriate order.
Prodromal phase: nausea, irritability, muscle twitching
Aura phase: visual, auditory, olfactory hallucinations
Tonic phase: muscle flexion
Clonic phase: muscle extension
Post-ictal phase: drowsiness and confusion
During the grand mal seizure, individual experiences nausea, irritability, muscle twitching and then he proceeds to the aura phase of hallucinations. He later experiences muscle flexion and muscle extension and ultimately feels drowsy and confused.
Which term refers to neurons that are irritable in response to a physiological change or sensory stimuli?
Irritable neurons as a result of chemical changes or sensory stimuli are called hyperexcitable and at risk for disorganized electrical activity in a seizure.
Which is the name given to a medical emergency in which a seizure lasts for a prolonged amount of time, or multiple seizures occur without the resumption of consciousness?
Which types of seizures may be associated with little to no alteration in consciousness?
Sensory seizures are partial seizures that may have little alteration in consciousness.
Jacksonian seizures are partial seizures that only affect one part of the body and have no effect on consciousness.
Which is the pathophysiology of a seizure?
Disorganized electrical activity in the brain
A seizure is the result of rapid discharge of electrical impulses in the brain.
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