Levers in the Human Body – MCQs

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1. A lever consists of:



2. The fulcrum in a lever is:



3. The effort in a lever is:



4. The load in a lever is:



5. Which class of lever has the fulcrum between effort and load?



6. Which class of lever has the load between fulcrum and effort?



7. Which class of lever has the effort between fulcrum and load?



8. The elbow joint during biceps curl is an example of:



9. The tiptoe (plantarflexion at ankle) is an example of:



10. The nodding of the head at atlanto-occipital joint is an example of:



11. Which lever type is most common in the human body?



12. In a first-class lever, if the fulcrum is closer to the load, the mechanical advantage:



13. In a third-class lever, the effort arm is usually:



14. Third-class levers favor:



15. Second-class levers favor:



16. In a biceps curl, the biceps brachii applies effort at:



17. The load in a biceps curl is:



18. The fulcrum in a biceps curl is:



19. The Achilles tendon during plantarflexion applies effort at:



20. The load in plantarflexion is:



21. The fulcrum in plantarflexion is:



22. Mechanical advantage is calculated as:



23. A lever where the effort is greater than the load has:



24. A lever where the load is closer to fulcrum than effort has:

26. The hamstrings during knee flexion act as:



27. The gastrocnemius during jumping applies effort at:



28. The mechanical advantage of third-class levers is usually:



29. The mechanical advantage of second-class levers is usually:



30. In first-class levers, increasing the distance from fulcrum to effort:



31. The atlanto-occipital joint lever system involves which muscles?



32. The mechanical advantage of a lever depends on:



33. The forearm in pronation-supination functions as:



34. The force-velocity relationship in levers shows:



35. The elbow joint during push-ups is a:



36. The mechanical advantage < 1 implies:



37. The mechanical advantage > 1 implies:



38. The effort arm of a lever is the distance between:



39. The load arm of a lever is the distance between:



40. Which lever type maximizes speed at the expense of force?



41. Which lever type maximizes force at the expense of speed?



42. The shoulder joint during lateral raise is a:



43. The knee during tiptoe standing is a:



44. The mechanical advantage of first-class levers is:


45. The biceps brachii is a lever system because it:



46. The Achilles tendon acts as a lever by:



47. The mechanical efficiency of a lever is:



48. In levers, distance from fulcrum affects:



49. Load closer to fulcrum favors:



50. Effort closer to fulcrum favors:



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