A certified nursing assistant provides his or hers services and help, according to the health care needs required by the patients and under the supervision of a registered nurse. A certified nursing assist can work in different medical settings, like clinics,hospitals, privately in homes,nursing homes and others. There always has been a substantial demand of certified nursing assistants providing more opportunities for certified nursing assistant jobs in Florida, Michigan. The duties performed by the certified nursing assistant may vary. The very common job responsibilities they have are, checking the heart rate, taking the blood pressure, assisting while from bed to the toilet or to the chair, they take care of their personal hygiene and will help with the feeding as well.