Certification in Infection Prevention and Control (CIC) Practice Exam

Which type of exudate is characterized as clear fluid?

1. Sanguineous

2. Purulent

3. Serous

4. Fibrous

The correct answer is: Serous

Serous exudate is characterized by a clear, watery fluid. It typically occurs in response to mild inflammation and is often seen in conditions such as blisters or early stages of tissue healing. The clear quality of serous exudate suggests that it consists mainly of serum, which is the fluid component of blood that remains after blood cells and clotting factors have been removed. This type of fluid indicates a non-infectious process and usually implies a good healing environment. In contrast, sanguineous exudate contains red blood cells and presents a bloody appearance, while purulent exudate is thick, opaque, and usually indicates an infection with the presence of pus. Fibrous exudate, on the other hand, consists of a thick, fibrinous substance that may develop in more severe inflammatory processes and can contribute to the formation of adhesions. Understanding these distinctions is crucial for proper identification and management of different types of wounds or lesions in infection prevention and control practices.