Each of the Following Is True About Lesions of the Extensor

question 19

Multiple Choice

Each of the following is true about lesions of the extensor tendons of the wrist and hand except:

• A) A mallet finger is a lesion of the extensor mechanism of the DIP joint and is managed nonoperatively with splinting in full extension.
• B) A lesion of the central tendon (central slip)of the extensor hood;if untreated,it results in a PIP flexion contracture and boutonnière deformity over time.
• C) If a tendon lesion occurs in zone V,PIP and DIP extension is disrupted,but MCP extension remains intact.
• D) A laceration of the extensor tendons in zone VII can cause a wrist flexion deformity and requires surgery to repair the lesion.

---

Definitions:

Cultural Pressures

Social forces exerted by the cultural context of a society on individuals to conform to established norms and values.

Family Background

The social, economic, and educational characteristics and environments of one's parents or family of origin.

Genetic Factors

Elements within an organism's genetic makeup that influence traits, behaviors, and their susceptibility to diseases.

Bulimia Nervosa

An eating disorder characterized by episodes of binge eating followed by compensatory behaviors such as self-induced vomiting, aimed at preventing weight gain.