What best describes the actions taken to ensure a patient's cleanliness and hygiene?

The correct answer focuses on the specific actions involved in supporting and maintaining a patient's cleanliness and hygiene. Patient hygiene assistance pertains directly to the interventions and support provided to help a patient achieve optimal personal hygiene. This can include tasks such as bathing, oral care, skin care, grooming, and ensuring a clean environment—all of which are crucial for preventing infections, promoting comfort, and enhancing the overall well-being of the patient.

In contrast, the other choices pertain to broader or unrelated concepts. Rehabilitation typically involves helping a patient recover function and independence following an injury or illness but does not specifically focus on hygiene. Informatics management deals with the use of information systems and data in healthcare rather than patient care activities. Care delivery monitoring may involve overseeing various aspects of health services but does not directly denote activities related to the personal cleanliness and hygiene of patients. Thus, the focus on patient hygiene assistance most accurately describes the actions taken to ensure a patient's cleanliness and hygiene.