New York Nail Technician License Practice Test

Which type of muscle is responsible for voluntary movements?

1. Cardiac muscle

2. Involuntary muscle

3. Skeletal muscle

4. Smooth muscle

The correct answer is: Skeletal muscle

Skeletal muscle is the type of muscle responsible for voluntary movements. This muscle tissue is attached to bones through tendons and is under the conscious control of the nervous system, allowing individuals to perform deliberate actions such as walking, running, and manipulating objects. Skeletal muscles are characterized by their striated appearance and ability to contract rapidly, making them versatile for various physical activities. Cardiac muscle, on the other hand, is found only in the heart and is responsible for the involuntary contractions that pump blood throughout the body. It operates autonomously and is not consciously controlled. Involuntary muscle typically refers to types of muscle that cannot be controlled voluntarily, including cardiac and smooth muscle, which is found in the walls of organs and blood vessels and regulates processes such as digestion and circulation without conscious effort. Smooth muscle, much like cardiac muscle, also functions involuntarily. Therefore, skeletal muscle is distinct in its ability to facilitate voluntary motion, enabling a range of activities from fine motor skills to large, powerful movements.