Final answer:
The statement on unconsciousness is false as being unconscious does not always mean a total lack of sensory awareness; reflexive responses may still occur, and the body's autonomic functions continue.
Step-by-step explanation:
Unconsciousness is often misunderstood, and the statement provided is partially accurate but lacks nuance. In medical terms, being unconscious typically means a person is not awake and unable to respond to people and activities. However, a total lack of sensory awareness is not always present in all states of unconsciousness. For example, during anesthesia, a person is not conscious of their environment but may still respond to some sensory stimuli like pain or pressure reflexively. In biological terms, even when unconscious, the body can still exhibit some forms of responsiveness through autonomic functions, such as those controlled by the sympathetic and parasympathetic nervous systems, which manage bodily functions without conscious control.
Therefore, the statement 'Unconsciousness means the person has a total lack of sensory awareness and complete loss of responsiveness to the environment' would be false since unconsciousness can still involve some reflexive responses or autonomic functions despite a significant reduction in awareness and responsiveness.