Final answer:
Delirium refers to a reversible disturbance of consciousness characterized by wandering attention, confusion, and hallucinations.
Step-by-step explanation:
Delirium refers to a reversible disturbance of consciousness characterized by wandering attention, confusion, and hallucinations. It is a state of altered consciousness that can be caused by various factors such as medication side effects, infections, or metabolic imbalances.
During delirium, individuals may experience disorientation, difficulty focusing, and perceptual disturbances such as hallucinations or illusions. It is important to identify and address the underlying cause of delirium to restore normal consciousness and prevent further complications.