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.
To be licensed as a dental hygienist in New York State you must: 1  be of good moral character; 2  be at least 17 years of age for dental hygiene licensure by examination; be at least 21 years of age for licensure by endorsement of another state's license; 3  meet education and examination requirements; and.