4. Nursing assistants may perform the following professional activities:(1) install a short peripheral intravenous catheter, measuring less than 7.5 cm;
(2) administer an intravenous solution without additives using a short peripheral intravenous catheter measuring less than 7.5 cm;
(3) install and irrigate a short intermittent injection intravenous catheter, measuring less than 7.5 cm, with an isotonic solution.