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Questions and Answers
Which event causes muscle contraction in all muscle types?
Which event causes muscle contraction in all muscle types?
- Action potentials
- Muscle tension
- Sarcoplasmic reticulum
- Increased intracellular calcium concentration (correct)
What is the source of calcium for contraction in skeletal muscle?
What is the source of calcium for contraction in skeletal muscle?
- T-tubules
- Muscle action potential
- Sarcoplasmic reticulum (correct)
- Neuromuscular junction
What is the role of troponin C in muscle contraction?
What is the role of troponin C in muscle contraction?
- Liberates actin-myosin interaction (correct)
- Triggers Ca2+ release
- Conducts action potentials
- Develops muscle tension
