A CNA, or certified nursing assistant or certified nursing aide, is an assistant to RNs (registered nurses) and LPNs (licensed practical nurses) on the medical staff. CNAs to tend to the patients within their ward, completing tasks that the RNs and LPNs may not have the time to complete. In some cases, a CNA may be the medical attendant a patient interacts with most frequently. Daily duties for a CNA may include bathing and grooming patients, assisting patients with the intake of food or medicine, checking vital signs, and dressing wounds. A CNA ensures that all rooms are tidy and sanitized, bedpans are empty, and linens are fresh. Additionally, a CNA should be comfortable documenting their patients’ conditions and any changes that may have occurred to communicate this information to the assigned nurses or physicians for each case.