A client new to a rehabilitation unit is having a difficult time adjusting to the scheduled activities on the unit, as well as being dependent on others for meals and medications. Which word best describes what the client is experiencing?

Culture shock describes the disorientation, discomfort, and difficulty a person experiences when thrust into an unfamiliar environment whose rules, routines, and expectations differ markedly from those they are accustomed to. A client admitted to a rehabilitation unit encounters a set schedule they did not choose, dependence on strangers for basic needs such as meals and medications, and an entirely new social and institutional environment — all of which are characteristic triggers of culture shock. Anxiety is a general emotional state characterized by unease or worry, and while some anxiety may be present, it does not specifically capture the phenomenon of being overwhelmed by an unfamiliar institutional culture. Resolution refers to the stage at which a person has adjusted to a new environment and achieved equilibrium — the opposite of what this client is currently experiencing. Disparity refers to an inequality or difference — for example, health disparities — and does not describe an individual's adjustment reaction. Culture shock fits precisely because the client is struggling specifically with the loss of familiar routines, autonomy, and environmental norms, which are the defining features of this concept in both sociocultural and healthcare contexts.