Illinois CNA State Practice Exam

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What movement is described as moving a part of the body away from the midline?

Abduction
Adduction
Extension
Flexion

The correct answer is: Abduction

Abduction refers to moving a body part away from the midline of the body. This is in contrast to adduction, which refers to moving a body part towards the midline. The other two options, extension and flexion, refer to movements that occur in the sagittal plane (front to back movements) but are not specifically related to the midline. Extension refers to straightening of a joint, such as when standing up straight, while flexion refers to bending of a joint, such as when touching your toes. Therefore, neither extension nor flexion accurately describe moving a body part away from the midline. It is important to remember the difference between abduction and adduction, as they are commonly used terms in anatomy and physiology.