What is a chromosome? In the nucleus of each cell, the DNA molecule is packaged into thread-like structures called chromosomes. Each chromosome is made up of DNA tightly coiled many times around proteins called histones that support its structure. Chromosomes are not visible in the cellâs nucleusânot even under a microscopeâwhen the cell is not dividing.
Once candidates have completed the CNA program required in the state they want to practice in, they will have to pass a state certification exam to receive their professional credential. Generally, nursing assistants are not expected to have previous work experience before they become certified.
A CNA needs to have certain skills in order to do his or her job. These include helping with patientsâ medical apparatus, providing help in feeding and bathing the patients, checking vital signs, and helping them with basic health care needs.he demand is high for qualified CNAs even in this time of global recession and economic failure. To become a Certified Nursing Assistant, youâll need to be trained and pass the CNA test. Generally, training courses to become a CNA and the requirements of the course are different, depending on what state you live in.