Oregon Certified Nursing Assistant State Practice Exam

Which of the following terms applies to body mechanics?

1. Gravity effect

2. Outline

3. Pulley

4. Fulcrum and Lever

The correct answer is: Fulcrum and Lever

The term that applies to body mechanics incorporates principles of motion, strength, and alignment in the context of physical movement and lifting techniques. "Fulcrum and Lever" is relevant because it describes how we use our bodies as levers to lift or move objects, often pivoting around a point of support, much like a lever system. Understanding this concept is crucial for caregivers to prevent injury when performing tasks that involve lifting or moving patients. Proper body mechanics minimizes strain on the body by utilizing force and leverage effectively, promoting safety and efficiency. The other options, although related to physical principles, do not encapsulate the concept of body mechanics as comprehensively. "Gravity effect" refers to the force acting on objects, but it doesn't address how to manage movements safely. "Outline" is more abstract and does not pertain to physical movement or lifting. "Pulley," while relevant in mechanics, specifically relates to a system used to lift heavy loads and does not encompass the broader principles involved in body mechanics used by caregivers.