A person who is in a state of deep unconsciousness from which he or she cannot be aroused:

A) has brain death.
B) is in a coma.
C) has slipped into a vegetative state.
D) has locked-in syndrome.

Deep Unconsciousness

A state of minimal to no consciousness in which an individual is not responsive to their environment and lacks awareness of themselves and others.

Vegetative State

A condition in which a person is awake but shows no signs of awareness due to severe brain injury.