A student must be able to acquire the information presented through demonstrations and experiences in the basic and clinical sciences. He or she must be able to observe a patient accurately, at a distance and close at hand, and observe and appreciate non-verbal communications when performing clinical assessment and intervention or administering medications. The student must be capable of perceiving the signs of disease and infection as manifested through physical examination. Such information is derived from images of the body's surfaces, palpable changes in various organs and tissues, as well as information communicated by patients and body functions. The student must be able to adhere to the standards of patient assessment and standards of care, including the use of technological equipment.