National League for Nursing (NLN PAX) Practice Exam

Question: 1 / 495

Which muscular system structure is responsible for voluntary skeletal movements?

Smooth Muscle

Cardiac Muscle

Skeletal Muscle

Skeletal muscle is the structure responsible for voluntary skeletal movements. This type of muscle tissue is connected to bones through tendons and is under conscious control, allowing for the intentional movement of the body. When the nervous system sends signals to skeletal muscles, they contract, producing movement. This is in contrast to smooth muscle, which operates involuntarily in various organs, and cardiac muscle, which also functions involuntarily but specifically within the heart. Neurons, while crucial for transmitting signals from the brain to muscles, do not directly produce movement themselves; they facilitate control by activating skeletal muscles. Thus, skeletal muscle's unique characteristics enable it to be the primary driver of voluntary movements in the body.

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Neurons

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