American Academy of Professional Coders (AAPC) Practice Exam

What defines connective tissue?

1. A single type of tissue

2. A variety of different tissues with common features

3. Only cartilage types of tissues

4. Tissues that only serve as barriers

The correct answer is: A variety of different tissues with common features

Connective tissue is characterized as a variety of different tissues that share common features and functions within the body. This classification includes an extensive range of tissue types, such as adipose (fat) tissue, blood, bone, cartilage, and lymphatic tissue. The defining characteristics of connective tissue include the presence of a significant amount of extracellular matrix, which provides support and structure to tissues and organs. The diverse types of connective tissues serve various functions, from supporting and connecting different tissues to storing energy and aiding in the immune response. The variation in the structure and function among the different types of connective tissue underscores the complexity and versatility of this tissue group, which is distinct and more inclusive than a single type of tissue or a limited category like only cartilage. By encompassing a wide range of tissues, connective tissue fulfills multiple roles critical to the overall functioning of the body, from providing structural support to facilitating transport and storage.