Smooth muscle contraction can be initiated by all EXCEPT:
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Correct answer: Somatic motor neurons
Smooth muscle is not innervated by somatic motor neurons. Its contraction is controlled by autonomic input, hormones, and local factors.
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More Smooth and Cardiac Muscle Physiology questions
- Which factor primarily determines the strength of cardiac muscle contraction?
- Compared to skeletal muscle, smooth muscle contracts:
- Gap junctions in smooth muscle primarily function to:
- Which component is absent in smooth muscle but present in cardiac muscle?
- The primary role of the autonomic nervous system in cardiac muscle is to:
- Which structural feature distinguishes smooth muscle from skeletal muscle?