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Questions and Answers
Which type of smooth muscle is found in blood vessels, GI and urogenital organ walls, and dermis of skin?
Which type of smooth muscle is found in blood vessels, GI and urogenital organ walls, and dermis of skin?
- Tonic smooth muscle
- Multi-unit smooth muscle
- Unitary/single smooth muscle (correct)
- Phasic smooth muscle
Smooth muscle lacks striations because the actin and myosin filaments are not organized in _________.
Smooth muscle lacks striations because the actin and myosin filaments are not organized in _________.
- Z-discs
- Sarcomeres (correct)
- A-bands
- Myofibrils
Which type of contraction is involuntary but modulated by neuroendocrine chemicals?
Which type of contraction is involuntary but modulated by neuroendocrine chemicals?
- Multi-unit contraction
- Tonic contraction
- Phasic contraction (correct)
- Unitary/single contraction
What is the protein and cytoskeletal arrangement of smooth muscles?
What is the protein and cytoskeletal arrangement of smooth muscles?
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What is the MLCK/MLCP ratio involved in regulating in smooth muscle?
What is the MLCK/MLCP ratio involved in regulating in smooth muscle?
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