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.
Examination and Licensure. Dental hygienists are licensed by each state to provide dental hygiene care and patient education. Almost all states require that dental hygienists be graduates of commission-accredited dental hygiene education programs to be eligible for state licensure.