CRCST Practice Exam 2026 - Free CRCST Practice Questions and Study Guide

An index card is commonly used to test for the sharpness of Rongeur because it provides a standardized thickness and texture for assessing the cutting ability of the instrument. It is essential to ensure that surgical instruments like Rongeurs are sharp to perform effectively during procedures and prevent tissue trauma. The other options such as cotton, plastic dowel rods, and metal wires do not provide the same standardized and consistent surface required for accurately testing the sharpness of surgical instruments.