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Questions and Answers
Why is it necessary for a whole skeletal muscle to contain multiple tissue types?
Why is it necessary for a whole skeletal muscle to contain multiple tissue types?
- To assist in sensory perception
- To facilitate nutrient and waste exchange (correct)
- To allow for flexibility of movement
- To provide structural support
Which of the following is a part of a skeletal muscle fiber (cell) and directly contributes to its function by storing calcium ions?
Which of the following is a part of a skeletal muscle fiber (cell) and directly contributes to its function by storing calcium ions?
- Z-discs
- Myofibrils
- Sarcoplasmic reticulum (correct)
- T-tubules
What is the primary role of acetylcholine (ACh) in muscle cell function?
What is the primary role of acetylcholine (ACh) in muscle cell function?
- To store energy for muscle contractions
- To transmit signals from nerves to muscle cells (correct)
- To break down lactic acid produced during exercise
- To regulate blood flow in muscle tissues
Why is the resting membrane potential (RPM) vital to muscle cell function?
Why is the resting membrane potential (RPM) vital to muscle cell function?
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What differentiates slow and fast twitch fibers in terms of function?
What differentiates slow and fast twitch fibers in terms of function?
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How do endurance exercises primarily impact muscle tissue?
How do endurance exercises primarily impact muscle tissue?
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