A dialysis catheter is a catheter used for exchanging blood to and from a hemodialysis machine and a patient. The dialysis catheter contains two lumens: venous and arterial. This terminology is confusing, because both lumens are in the vein.
In order to practice as a dental hygienist, one needs a degree from a dental hygiene school and a state license. To become licensed, dental hygienists need to pass a clinical and written exam.
While associate's degrees are enough for most dental hygienist positions, some hygienists earn higher degrees as a way to advance their careers. Bachelor's and master's degrees in dental hygiene may qualify hygienists for careers beyond the dental office, such as in teaching and research.tep 2: Get Licensed. Dental hygienists must be licensed in all U.S. states. Eligibility requirements vary, but nearly all states call for applicants to hold postsecondary credentials from accredited dental hygiene programs.