Certified Instrument Specialist (CIS) Practice Exam 2025 - Free CIS Practice Questions and Study Guide

The Yankauer suction is primarily designed for suctioning fluids, particularly in surgical settings and during medical procedures. It features a rigid design with a wide opening, which allows for effective aspiration of blood, secretions, and other fluids from large areas, such as wounds or cavities. This characteristic makes it particularly useful for maintaining a clear surgical field by removing excess fluid that can obstruct visibility for the surgical team.

In a surgical context, the ability to quickly and efficiently suction large volumes of fluid is crucial for patient safety and procedure efficacy, which aligns with the primary function of the Yankauer device. While it is not specifically designed for cleaning instruments, retracting tissues, or elevating tissue in confined areas, its main function remains focused on suctioning, especially in situations that involve significant fluid volume, hence the emphasis on its use for large wounds.

The other options, such as cleaning small surgical instruments, retracting tissues, or elevating tissues, describe functions suited to other specialized tools and methods used in surgery, which do not align with the Yankauer's design and purpose.