Skeletal muscle and movement Quiz
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5 questions, one answer each
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1. Which structure connects a muscle to a bone?
- A. Ligament
- B. Cartilage
- C. Tendon
- D. Sarcolemma
2. Which statement about antagonistic muscles is correct?
- A. Both contract at the same time
- B. One contracts while the other relaxes
- C. Both relax to move the joint
- D. One pushes while the other pulls
3. Which region of a sarcomere contains only myosin?
- A. I band
- B. Z line
- C. A band
- D. H zone
4. Which feature is characteristic of slow twitch fibres?
- A. Few mitochondria
- B. High glycogen and phosphocreatine stores
- C. Many mitochondria and much myoglobin
- D. Thick myosin and high ATPase activity
5. A sprinter's thigh muscle has many fast twitch fibres. Which explanation of the benefit is best?
- A. They respire aerobically for a long time
- B. Rapid anaerobic ATP supply and powerful, fast contraction
- C. They contain much myoglobin to store oxygen
- D. Their dense capillaries remove lactate fast