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complete Test Bank for Fundamentals of
Periodontal Instrumentation and Advanced
Root Instrumentation by Jill S. Gehrig,
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9781284019339). This latest updated test bank
includes comprehensive dental hygiene and
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Instrumentation by Jill S. Gehrig, Rebecca Sroda, and Darlene Saccuzzo (ISBN: 9781284019339). This latest updated test
bank includes
2 comprehensive dental hygiene and periodontology exam questions with verified correct answers for all
chapters.~
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
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Instrumentation by Jill S. Gehrig, Rebecca Sroda, and Darlene Saccuzzo (ISBN: 9781284019339). This latest updated test
bank includes
3 comprehensive dental hygiene and periodontology exam questions with verified correct answers for all
chapters.~
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
6) Which of the following does not describe correct neutral seated position for the clinician?
a) Shoulders lifted up toward the ears
b) Upper arms parallel to the long axis of the torso
c) Elbows at waist level
d) Forearms held parallel to the floor
Answer: A
Subject: Module 01: Ergonomics and Periodontal Instrumentation
7) Asking your patient to put his or her chin in a chin-down position would improve your view of the
mandibular teeth. To be correctly positioned, the patient's mouth should be approximately level with the
clinician's sternum.
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
8) The backrest of the clinician's chair should be positioned to touch the lumbar region of the back when the
clinician is comfortably seated. The patient's heels should be slightly higher than the tip of his or her nose
when positioned in a supine position.
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: A
Subject: Module 01: Ergonomics and Periodontal Instrumentation
9) It is not necessary to reposition the patient so that her head is even with the upper edge of the headrest.
The patient should be asked to adjust his or her head position to provide the clinician with the best view of
the treatment area.
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: D
Subject: Module 01: Ergonomics and Periodontal Instrumentation
10) An easy method for establishing the proper position of the patient in relation to the clinician is to raise
or lower the patient's chair until the patient's open mouth is above the clinician's waist level. The clinician's chair
should be adjusted so that the clinician's hip angle is at 45 degrees.
a) Both statements are true.
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Instrumentation by Jill S. Gehrig, Rebecca Sroda, and Darlene Saccuzzo (ISBN: 9781284019339). This latest updated test
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4 comprehensive dental hygiene and periodontology exam questions with verified correct answers for all
chapters.~
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: B
Subject: Module 01: Ergonomics and Periodontal Instrumentation
11) For the mandibular arch, the dental light is positioned directly over the oral cavity. For the
maxillary arch, the dental light position ranges from over the oral cavity to over the patient's neck.
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: A
Subject: Module 01: Ergonomics and Periodontal Instrumentation
12) If the patient's chair is too low, the clinician's elbows should be raised up. The bracket table should be
positioned as low as possible so that the clinician can easily see the instruments resting on it.
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: D
Subject: Module 01: Ergonomics and Periodontal Instrumentation
13) All of the following
situations can result in musculoskeletal injury except .
a) poor operator positioning
b) excessive force of the instrument against the tooth
c) keeping weight evenly balanced while sitting
d) repeating the same movement over and over
Answer: C
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