The job duties of a home health CNA (certified nursing assistant) are to assist with in-home patient care. Their responsibilities are to help feed, bathe, and change the dressings of patients. A home health CNA may also provide patient care for seniors or others who need regular assistance. In some cases, they may administer medication, monitor vital signs, and communicate with physicians or other health care professionals. The qualifications that you need to start working as a home health CNA include postsecondary training and certification.