Subject: Module 01: Ergonomics and Periodontal Instrumentation
1. Which of the following would not contribute to the development of a musculoskeletal injury?
A. Engaging in highly repetitive tasks
B. Allowing time for sufficient rest
C. Making forceful movements
D. Maintaining an awkward posture
Answer: B
Subject: Module 01: Ergonomics and Periodontal Instrumentation
2. A painful musculoskeletal disorder of the fingers, hand, and/or wrists owing to the
compression of the brachial nerve plexus and vessels between the neck and shoulder is termed
_____.
A. tenosynovitis
B. ulnar nerve entrapment
C. pronator syndrome
D. thoracic outlet syndrome
Answer: D
Subject: Module 01: Ergonomics and Periodontal Instrumentation
3. Which of the following is not likely to result in musculoskeletal pain?
A. Leaning forward slightly from the waist or hips
B. Bending the hand up or down repeatedly at the wrist
C. Forceful gripping with the fingers
D. Hunching the shoulders forward
Answer: A
Subject: Module 01: Ergonomics and Periodontal Instrumentation
4. Stabilize the low back curve by pulling the stomach muscles toward the spine. The upper arms
and elbows should be abducted (held out) away from the body.
A. Both statements are true.
B. Both statements are false.
C. The first statement is true; the second statement is false.
D. The first statement is false; the second statement is true.
Answer: C
Subject: Module 01: Ergonomics and Periodontal Instrumentation
Copyright © 2016 by Jones & Bartlett Learning, LLC, an Ascend Learning Company 1-1
, 5. You observe a clinician who is experiencing musculoskeletal pain in his fingers and wrist.
Which of the following is the least likely cause of his pain?
A. Holding the dental instrument in a tight grasp
B. Holding his lower arms out away from his body
C. Maintaining his arms at waist level
D. Working with his wrist bent
Answer: C
Subject: Module 01: Ergonomics and Periodontal Instrumentation
Copyright © 2016 by Jones & Bartlett Learning, LLC, an Ascend Learning Company 1-2
1. Which of the following would not contribute to the development of a musculoskeletal injury?
A. Engaging in highly repetitive tasks
B. Allowing time for sufficient rest
C. Making forceful movements
D. Maintaining an awkward posture
Answer: B
Subject: Module 01: Ergonomics and Periodontal Instrumentation
2. A painful musculoskeletal disorder of the fingers, hand, and/or wrists owing to the
compression of the brachial nerve plexus and vessels between the neck and shoulder is termed
_____.
A. tenosynovitis
B. ulnar nerve entrapment
C. pronator syndrome
D. thoracic outlet syndrome
Answer: D
Subject: Module 01: Ergonomics and Periodontal Instrumentation
3. Which of the following is not likely to result in musculoskeletal pain?
A. Leaning forward slightly from the waist or hips
B. Bending the hand up or down repeatedly at the wrist
C. Forceful gripping with the fingers
D. Hunching the shoulders forward
Answer: A
Subject: Module 01: Ergonomics and Periodontal Instrumentation
4. Stabilize the low back curve by pulling the stomach muscles toward the spine. The upper arms
and elbows should be abducted (held out) away from the body.
A. Both statements are true.
B. Both statements are false.
C. The first statement is true; the second statement is false.
D. The first statement is false; the second statement is true.
Answer: C
Subject: Module 01: Ergonomics and Periodontal Instrumentation
Copyright © 2016 by Jones & Bartlett Learning, LLC, an Ascend Learning Company 1-1
, 5. You observe a clinician who is experiencing musculoskeletal pain in his fingers and wrist.
Which of the following is the least likely cause of his pain?
A. Holding the dental instrument in a tight grasp
B. Holding his lower arms out away from his body
C. Maintaining his arms at waist level
D. Working with his wrist bent
Answer: C
Subject: Module 01: Ergonomics and Periodontal Instrumentation
Copyright © 2016 by Jones & Bartlett Learning, LLC, an Ascend Learning Company 1-2
