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.
1 During this time, they must obtain the required anesthesia and nitrous oxide education and training, and pass the Western Regional Examining Board (WREB) anesthesia exam. 2  This hygienist must also have passed an approved clinical dental hygiene exam.