Questions: Muscular System

  1. What are the principal functions of muscles?
  2. Why are there striations in skeletal muscles?
  3. What part of the muscular system is an organ? Give an example
  4. What is the relationship between deep fascia, epimysium, and tendons?
  5. In what tissue within the muscle is capillary blood supply found?
  6. What are myofibrils
  7. What is a triad?
  8. What is the sliding filament model? Myosin, Actin, ATP.
  9. What is the neurotransmitter released at all neuromuscular junctions in skeletal muscles?
  10. Describe cardiac muscles tissue. (Nuclei, striations, shape, function, etc.)
  11. Describe skeletal muscle tissue. (Nuclei, striations, shape, function, etc.)
  12. What causes the striations in skeletal muscle tissue?
  13. What is the H zone?
  14. What is the A band? The I band? The Z line?
  15. What are thick myofilaments, thin?
  16. What is a Triad?
  17. What does acetylcholine do to a muscle fiber?
  18. What is a synapse?
  19. What is the role of calcium ions in muscle contraction?
  20. What are transverse tubules?
  21. Describe depolarization of a muscle fiber in relation to contraction.
  22. What is a "motor unit"?
  23. What is meant by the "all or none response"?
  24. What is recruitment?
  25. What are anabolic steroids? How do they work?
  26. What is rigor mortis?
  27. What is isometric contraction? Isotonic?
  28. What is meant by muscle tone?
  29. What is muscle twitch?
  30. What is tetanus?
  31. What is treppe?
  32. What are fast twitch fibers? Slow twitch?
  33. What is oxygen debt in muscle contraction?
  34. What is muscular dystrophy?
  35. What is myasthenia gravis?
  36. What are the origin, insertion, belly, and tendon?
  37. How do muscles and bones act as levers?