What term describes an unconscious state where the patient does not respond to external stimuli?

The term that describes an unconscious state where the patient does not respond to external stimuli is a coma. A coma is a prolonged state of unconsciousness during which a person does not exhibit wakefulness or awareness. In contrast to other conditions, such as a seizure, which involves sudden, uncontrolled electrical activity in the brain leading to convulsions, or shock, which refers to a critical condition where the body does not get enough blood flow, a coma specifically indicates that the patient is unresponsive to stimuli. A stroke involves a disruption of blood flow to the brain, which can lead to varying levels of consciousness, but it does not inherently define a state of unresponsiveness as a coma does. Thus, a coma is the most accurate term for describing an unconscious condition characterized by a lack of response to the environment.