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Ch. 16 RA
Terms in this set (40)
Impaired language production or comprehension
Involuntary rapid contractions of muscle groups in random pattern
Impaired recognition of tactile, visual, or auditory stimuli
Involuntary rhythmic, oscillating movement of a body part
Shocklike, nonpatterned muscle contractions causing limb movement; may occur during sleep
Inability to perform purposeful or skilled motor actions
Involuntary slow, twisting, writhing movements
Motor restlessness, compulsion to move lower extremities
Damage to the cerebellum causes (resting, intention) tremor and (ataxic, shuffling) gait.
Cheyne-Stokes respirations involve a cycle of (decreasing, increasing) respiratory rate and depth, then (decreasing, increasing) respiratory rate and depth, and then (dyspnea, apnea) before the cycle begins again.
Changes in the pupils are useful to evaluate (cortical, brainstem) function because the areas that control arousal are located (nearby, contralaterally).
When autoregulation of intracranial arterioles fails, small increases in blood volume cause intracranial pressure to rise (minimally, greatly).
Inflammation from brain injury causes (vasogenic, cytotoxic) cerebral edema.
Hypertonia is caused by damage to (upper, lower) motor neurons when the (upper, lower) motor neurons remain functional.
Amyotrophic lateral sclerosis involves degeneration of (upper, lower, both upper and lower) motor neurons, causing (sudden, progressive) muscle weakness.
both upper and lower
Extrapyramidal motor syndromes involve (abnormal movement, paralysis).
Anterograde amnesia is (loss of past, inability to form new) memories.
inability to form new
Loss of associated movements
correct order of decreasing consciousness:
6. light coma
7. deep coma
What is the difference between hyperkinesia and hypertonia?
Hyperkinesia is excessive movement; Hypertonia is abnormally increased muscle tone
What is the difference between arousal and awareness?
Arousal is a state of being awake; Awareness involves content of thought
What is the difference between delirium and dementia?
Delirium is an acute confusional state caused by dysfunction of neurons and potentially is reversible; dementia is a confusional state caused by death of neurons and is not reversible
What is the difference between paralysis and paresis?
Paralysis is loss of voluntary motor function; paresis is weakness (partial paralysis) of voluntary motor function
What is the difference between paraplegia and hemiplegia?
Paraplegia is paralysis of both lower extremities; hemiplegia is paralysis of both the upper and lower extremities on one side of the body
When continuous seizures last more than 5 minutes, the person is said to have _____
Seizure activity often begins in an epileptogenic ____ where the neurons are activated easily.
Obstruction of the flow of cerebrospinal fluid causes _____
When intracranial pressure equals mean systolic blood pressure, cerebral blood flow ___
Severely increased intracranial pressure can cause brain tissue to _____ into another cranial compartment.
Huntington disease is an autosomal _____ condition characterized by progressive loss of cognitive function, ______ motor movements, and emotional lability.
Lower motor neuron damage causes muscle _____, but upper motor neuron damage causes ______
Supratentorial lesions are located above the tentorium _____
Yawning and hiccups are motor responses integrated in the lower _____
A person in a persistent _____ state is unaware of self or environment and has lost all cognitive function but maintains blood pressure and breathing without support.
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