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.
Licensure. When you become a licensed dental hygienist you join the ranks of other licensed health care professionals such as nurses, physical therapists, dentists, physicians and dieticians. Licensure is the strongest form of regulation used today.