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Questions and Answers
Which of the following is the primary energy source for muscle contraction?
Which of the following is the primary energy source for muscle contraction?
- Anaerobic respiration
- Aerobic respiration
- Phosphocreatine
- ATP (correct)
What is the primary function of the Z discs in muscle contraction?
What is the primary function of the Z discs in muscle contraction?
- Producing action potential
- Anchoring the thin filaments (correct)
- Spontaneous depolarization
- Transmission of motor nerve impulses
In skeletal muscle, what membrane potential is required to produce an action potential?
In skeletal muscle, what membrane potential is required to produce an action potential?
- -40mV
- -60mV
- -70mV
- -55mV (correct)
Which type of muscle cells are capable of spontaneous depolarization?
Which type of muscle cells are capable of spontaneous depolarization?
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How is a graded whole skeletal muscle contraction produced in vivo?
How is a graded whole skeletal muscle contraction produced in vivo?
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