State Tested Nursing Assistant (STNA) Practice Exam 2025 – Comprehensive All-in-One Prep for Exam Success!

Question: 1 / 400

What is the correct term for a device that replaces a missing body part?

Pronation

Abduction

External rotation

Prosthesis

A prosthesis is a device designed to replace a missing body part, often used to restore the function and appearance of that part. This can include limbs, such as legs or arms, and even other body parts like teeth or eyes. The primary function of a prosthesis is to enable individuals who have lost limbs or other parts of their bodies to engage in daily activities and maintain as much mobility as possible.

The term "pronation" refers to the rotation of the forearm or foot, not a device for replacement. "Abduction" is a term used to describe the movement of a limb away from the midline of the body, which has no connection to replacement devices. "External rotation" describes a movement where a bone turns outward away from the midline, again unrelated to the concept of a replacement body part. Therefore, prosthesis is the only term that directly relates to replacing a missing body part, making it the correct choice.

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