Certified Nursing Assistant (CNA) Practice Exam

The correct choice indicates that when a person is in the prone position, they are lying on their abdomen. This position is often used in various medical situations, such as physical therapy or during certain surgical procedures, because it allows for specific access to different areas of the body while also promoting comfort and stability in certain contexts.

Understanding body positioning is essential in nursing and care practices, as it can influence patient comfort, prevent pressure sores, and aid in performing various medical assessments or interventions. The other positions described—lying on the back, chest, or side—represent different body postures that serve distinct purposes in patient care and are not accurately reflective of the prone position.