Certified Tumor Registrar (CTR) Practice Exam

Integumentary concerns which of the following body sites?

1. Muscle

2. Skin

3. Nerves

4. Bone

The correct answer is: Skin

The integumentary system primarily encompasses the skin, along with its associated structures such as hair, nails, and sweat glands. This system serves several vital functions including protection against pathogens, regulation of body temperature, and sensory perception. In contrast, the other options relate to different systems: muscle pertains to the muscular system, nerves are part of the nervous system, and bone is associated with the skeletal system. By identifying the skin as the area of focus for the integumentary system, you recognize its essential role in maintaining overall health and serving as the first line of defense for the body. This classification is crucial for understanding the scope of various medical fields, including oncology and pathology, especially when documenting tumor sites and understanding cancer types related to skin exposure.