Which of the following describes a Persistent vegetative state?
Unconsciousness, unarousable unresponsiveness
Devoid of cognitive function but has sleep-wake cycles
Inability to move or respond except for eye movements due to a lesion affecting the pons
Unresponsiveness to the environment, makes no movement or sound but sometimes opens eyes
The Correct Answer is B
Choice A: Unconsciousness, unarousable unresponsiveness is not a description of persistent vegetative state, but rather a description of coma, as it is a state of complete loss of consciousness and reflexes caused by severe brain injury.
Choice B: Devoid of cognitive function but has sleep-wake cycles is a description of persistent vegetative state, as it is a state of minimal awareness and responsiveness caused by widespread brain damage.
Choice C: Inability to move or respond except for eye movements due to a lesion affecting the pons is not a description of persistent vegetative state, but rather a description of locked-in syndrome, as it is a state of complete paralysis and preserved consciousness caused by damage to the brainstem.
Choice D: Unresponsiveness to the environment, makes no movement or sound but sometimes opens eyes is not a description of persistent vegetative state, but rather a description of akinetic mutism, as it is a state of severe apathy and reduced motor activity caused by damage to the frontal lobes or basal ganglia.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A: Pressure ulcer is not the most serious complication of a patient with altered level of consciousness, but rather a common and preventable complication that can cause skin breakdown, infection, and pain.
Choice B: Aspiration is the most serious complication of a patient with altered level of consciousness, as it can cause pneumonia, respiratory failure, and death.
Choice C: Contractures is not the most serious complication of a patient with altered level of consciousness, but rather a potential and reversible complication that can cause muscle stiffness, joint deformity, and reduced mobility.
Choice D: Deep vein thrombosis is not the most serious complication of a patient with altered level of consciousness, but rather a possible and treatable complication that can cause blood clots, swelling, and pain in the legs.
Correct Answer is C
Explanation
Choice A: CVA is a temporary neurologic deficit and a TIA is more long-term deficit is not correct, as it reverses the definitions of CVA and TIA.
Choice B: There is no difference is not correct, as there are significant differences between CVA and TIA in terms of duration, severity, and prognosis.
Choice C: TIA is a temporary neurologic deficit and a CVA is more long-term deficit is correct, as it accurately describes the difference between CVA and TIA. A TIA is a brief episode of neurologic dysfunction caused by focal brain ischemia that resolves within 24 hours, while a CVA is a permanent or lasting damage to brain tissue caused by ischemia or hemorrhage.
Choice D: CVA results from temporary impairment of blood flow and TIA is long-term impairment is not correct, as it reverses the causes of CVA and TIA.
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