What makes it difficult to define the 'living state' in a coma patient?
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Correct answer: Absence of self-consciousness despite ongoing biological processes
A comatose brain-dead patient retains cellular metabolism supported by machines but has permanently lost self-consciousness. Because metabolism (a key living criterion) persists while consciousness (another key criterion) is absent, placing them strictly in the 'living' or 'non-living' category creates a philosophical and technical challenge.
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