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ADA NBDHE Dental Hygienist

Category - Scientific Basis for Dental Hygiene Practice

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What muscle is self-stimulating?

Voluntary
Involuntary
Cardiac
Smooth

Explanation

Answer: C - Cardiac muscle is self-stimulating. Cardiac muscle does not run low on ATP and does not experience fatigue. The cardiac muscle fibers form a continuous contractile band around the heart chambers that conducts a single impulse across a virtually-continuous sarcolemma.

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