A Persistent vegetative state(PVS) exists as a result of severe mental impairment, characterized by irreversible cessation of the higher functions of the brain, most often caused by damage to which of the following organs?
A. cerebral cortex
B. cerebellum
C. medulla oblongata
D. brain stem
E. heart
A. cerebral cortex
Patients can and do recover from comas, as opposed to a persistent vegetative state. A Persistent vegetative state(PVS) exists as a result of severe mental impairment, characterized by irreversible cessation of the higher functions of the brain, most often caused by damage to the cerebral cortex.
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