Final answer:
The information provided does not accurately describe the typical use of a 2-by-2-inch gauze square in healthcare settings, which is generally used for absorbing fluids and protecting wounds.
Step-by-step explanation:
The 2-by-2-inch gauze square has a specific purpose in medical settings. While it could potentially protect fingers from sharp edges, or be involved with medication, the question as posed does not seem to match standard uses of gauze squares. The reference content provided is not directly related to standard uses of gauze squares but instead appears to describe physiological processes, such as gas exchange or functions of antibodies, which would not be the purpose of a gauze square in a medical context. Typically, gauze is used to absorb fluids, protect wounds, and sometimes to help apply medication to an area. Without context, the provided statements are inaccurate to describe the purpose of gauze in healthcare.