Colorado CNA Practice Exam

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Orthotic devices are used to:

Keep joints in correct position and improve function
Measure blood pressure
Prevent infections
Strengthen heart muscles

The correct answer is: Keep joints in correct position and improve function

Orthotic devices are specifically designed to support, align, or improve the function of a part of the body, particularly the joints. Their primary purpose is to maintain the correct positioning of joints, which can help reduce pain, improve mobility, and enhance overall function. This is especially important for individuals with conditions affecting their musculoskeletal system, such as arthritis or after an injury, as proper alignment can prevent complications and promote healing. The other options address unrelated functions. Measuring blood pressure involves using a sphygmomanometer or similar devices, while preventing infections typically requires hygiene practices and wound care. Strengthening heart muscles pertains to cardiovascular health strategies, including exercise and diet, rather than the physical support provided by orthotic devices.