What happens next in this paragraph?

How to become a psychiatric nurse
Choose a nursing program to complete.
You can choose an associate degree in nursing (adn) program or a bachelor of science in nursing (bsn) program. The adn is a two-year program, where the bsn is a four-year program.
You will need a high school diploma or ged to enroll in an adn or bsn program. Second baccalaureate and entry-level master's of science in nursing programs are available for people who already have bachelor's degrees in fields other than nursing.