Certified Gastroenterology Registered Nurse Practice Exam 2026 - Free CGRN Practice Questions and Study Guide

Morrhuate sodium is recognized as a sclerosing agent due to its ability to induce fibrosis and closure of blood vessels or hollow organs. It is commonly used in medical procedures for the treatment of varicose veins and other conditions requiring vascular occlusion. The mechanism involves irritation and inflammation of the vessel wall, leading to a controlled response that promotes healing and the eventual closure of the targeted vein.

In contrast, sodium chloride is primarily used as a salt solution in various medical applications, but it does not have the same sclerosing properties as Morrhuate sodium. Acetic acid is used in specific medical treatments, such as for certain types of tumors or lesions, but it is not typically classified as a sclerosing agent in the same context. Argon gas is utilized in endoscopic procedures for coagulation and tissue ablation, but it does not act as a sclerosing agent and does not induce the same fibroblastic response as Morrhuate sodium. Thus, Morrhuate sodium stands out as the established sclerosing agent among the options provided.