Biomechanics Unit 5- Questions and Answers 

1. Ergonomics is the study of

1. human behavior
2. human behavior with respect to surroundings
3. surroundings
4. animal behavior

2. The purpose of ergonomics is to

1. increase human working efficiencies in workplace
2. decrease human working efficiencies in workplace
3. increase human population
4. increase human workplace

3. In a computer workstation the keyboard should be

1. forearms should be close to horizontal
2. wrist to be straight
3. both
4. none

4. In a computer workstation, the knee should be

1. bend greater than 90 degree flexion
2. bend less than 90 degree flexion
3. bend greater than 180 degree flexion
4. bend greater than 120 degree flexion

5.  In a computer workstation, the monitor should be

1. within an arm’s length
2. at a greater distance
3. less than 0.5m
4. less than 5 cm

6. Ergonomics is related to human

1. comfort
2. safety
3. both
4. none

7. The following fields are related to ‘Ergonomics’

1. Anthropology
2. Physiology
3. Psychology
4. all of the above

8. The height of the top of the work bench should be _     ______ the height of the elbow of the workmen.

1. Below
2. At
3. Above
4. none

9. The study of work is called

1. Ergonomics
2. Economics
3. Ergology
4. Ecology

10. The following is are the Biomechanical principle in ergonomics

1. The joints should be kept in a neutral position
2. Keep the work close to the body
3. The lifting must occur gradually in an even matter
4. All of the above

11. The state of the worker by which the capacity and willingness for doing work is reduced is called

1.  Energetic
2. Fatigue
3. Creep
4. anthropology

12.  Which of the following could be considered an engineering control for an office ergonomics hazard:

1. Implementing a stretching program
2. Switching to a chair with greater adjustability
3. Implementing a pre-work screening process
4. Purchasing wrist braces

13.RSI is called as

1. Repetitive stress injury
2. Repetitive strain injury
3. Repetitive stress incident
4. Repetitive stress infection

14.  Which of the following is NOT a neurological aspect of job design?

1. Height
2. Feel
3. sight
4. Sound

15. The greater the match between worker capabilities and task demands:

1. The greater the chance of worker injury/illness
2. The lower the chance of worker injury/illness
3. Has no impact on chance of worker injury/illness
4. The greater the chance of being exposed to high risk jobs

16. Ergonomics is concerned primarily with the physiological aspects of job design – that is, with the human body and how it fits into its surroundings.

1. True
2. False

17. CTD is called as

1. Cumulative trauma disease
2. Cumulative trauma disorder
3. Calculative trauma disorder
4. Cumulative tragic disorder

18.  Musculoskeletal disorders affect all these except

1. Muscles
2. tendon
3. nerves
4. hair

19. Work -place musculoskeletal disorders are more common  to

1. drivers
2. divers
3. nurses
4. doctors

20. Example of MSD is*

1. carpal tunnel syndrome
2. typhoid
3. jaundice
4. malaria

21. occupational myalgia is due to

1.  static work
2. muscle overstrain
3. both
4. none

22. FEA stands for*

1. Finite element analysis
2. Finite edge analysis
3. Finite element analytics
4. finite experiment analysis

23. Choose the correct vertebral formula of vertebral column of human being.

1. C7 Th13 L4 S5 Co4
2. C7 Th12 L5 S5 Co4
3. C7 Th13 L5 S5 Co4
4. C7 Th12 L7 S5 Co4

24. The major function of intervertebral discs is to

1. Absorb shock
2. String the vertebrae together
3. Prevent injuries
4. Prevent hypertension

25. Cumulative trauma usually damages soft tissues, such as muscles and tendons.

1. True
2. False

26. You’re at risk of an MSD if you:

1. Keep repeating a forceful task
2. Use hand tools once a year
3. Rest between repetitive tasks
4. None of the above

27. Neutral position is:

1. The position that places the least amount of stress on the body
2. The most difficult position for the body to hold
3. A safe position that protects only the back
4. The only position you can work in

28.  Your body can be stressed by:

1. Vibration
2. Cold
3. Bad lighting
4. All of the above

29. MSD risk factors include:

1. Long duration
2. Too short a recovery time
3. Frequent force
4. D. All of the above

30. Ergonomics is a topic that’s important only in the workplace.

1. True
2. False

31. How should a user sit on their chair?

1. perched on the chair as much
2. With their back bone straight leaning slightly backwards
3. At a slight angle towards whichever their dominant side is on
4. With shoulders straight and their bottom touching the back of the chair

32. With which point on a computer screen should a user’s eyes line up?

1. centre point
2. anywhere above the bottom half
3. 2-3 inches from the top
4. very top of monitors border

 33. You should take 5 second breaks at least every two hours to decrease muscle strain.

1. True
2. False

34. Which of the following is the largest segment of the movable part of the vertebral column?

1. Coccygeal
2. Cervical
3. Lumbar vertebrae
4. Thoracic 

35. FEA is used for

1. To predict whether a product will break or not
2. for designing
3. product interaction with various forces
4. all of the above 

36. FEA can be applied for these except

1. structural analysis
2. solid mechanics
3. dynamics
4. Surgery

37. The first step in FEA is

1. preprocessing
2. defining boundary conditions
3. loading conditions
4. post processing

38. MIMICS stand for

1. Materialise’s Interactive Medical Image Control System
2. Medicine Interactive Medical Image Control System
3. Materialise’s Interaction of Medical Image Control System 
4. Materialise’s Interactive Medical Image Configuration System

39. Which is the second segment of vertebral column?

1. lumbar
2. thoracic
3. cervix 
4. sacrum

40. Which is the fused part of vertebral column?

1. lumbar
2. thoracic
3. cervix
4. coccyx 

41. Which one  creates models based on Hounsfield units in CT images?

1. MIMICS
2. MIMMIC
3. Ansys

42. The FEA analysis was done in

1. MIMICS
2. ANSYS
3. ANSYX
4. linear method

43. Rapid movement back and froth is called

1. Vibration
2. friction
3. fluctuate
4. motion

44. Which vibration is caused by standing/sitting on a vibrating surface?

1. partial vibration
2. hand arm vibration
3. leg vibration
4. whole body vibration

 45. hand arm vibration causes

1. Raynaed syndrome
2. rouleaux
3. heart attack
4. typhoid

46.  Ballast stop machine causes

1. hand arm vibration
2. musculoskeletal disorders
3. both
4. none

47. Vibration white fingers is caused by

1. Hand arm vibration
2. whole body vibration
3. tension
4. stress 

48. Which one of the following is not an anthropometric data

1. structural data 
2. functional data
3. Newtonian data
4. Non-Newtonian data

49.  Which data involves both data of body segments and data of different envelope structures?

1. Newtonian data
2. structural data
3. functional data
4. non-Newtonian data

50.  Which data involves data of different envelope structures?

1. Newtonian data
2. structural data 
3. functional data
4. non-Newtonian data

51. During the extension of the elbow joint, the muscle of

1. triceps relaxes
2. triceps contracts 
3. bicep relaxes
4. bicep contracts

52. The ankle joint

1. is formed by the tibia, fibula and the talus.
2. has the deltoid ligament on the lateral side.
3. is the joint for the movements of inversion and eversion.
4. is a saddle type of joint.
5. All of the above are true.

53. During the flexion of the elbow joint, the muscle of

1. bicep relaxes 
2. bicep contracts
3. triceps relaxes
4. triceps contracts 

54. The posterior cruciate ligament of the knee joint

1. prevents the femur from slipping forwards on the tibia.
2. divides the knee joint into two completely separate compartments.
3. is attached to the femur on the posterior side.
4. is a part of the popliteus tendon.
5. is also known as the meniscofemoral ligament.

55. Movement of a limb towards the midline of the body is called ___________.

1. extension
2. inversion
3. flexion
4. abduction
5. adduction

56. A twisting motion of the foot that turns the sole inward is called ____________.

1. dorsiflexion
2. plantar flexion
3. eversion
4. inversion
5. protraction

57. Decreasing the angle between bones is called ___________.

1. hyperextension
2. flexion 
3. abduction
4. extension
5. adduction 

58. The joint at the base of the thumb is an example of the _______ joint.

1. pivot
2. ellipsoidal
3. hinge
4. saddle 
5. gliding

59. The joint that permits the greatest range of mobility in the body is the ________ joint.

1. shoulder 
2. wrist
3. elbow
4. knee

60. The epiphyseal growth plate is an example of a(n) ___________.

1. synchondrosis
2. amphiarthrosis
3. symphysis
4. gomphosis