TEST BANK
Fundamentals of Periodontal Instrumentation
and Advanced Root Instrumentation
Ninth Edition
Jill S. Gehrig, RDH, MA; Rebecca Sroda, RDH,
FAND; Darlene Saccuzzo, CDA, RDH, BASDH
ISBN:9781284019339
1 @@!@#FUNDAMENTALS OF PERIODONTAL INSTRUMENTATION AND ADVANCED ROOT INSTRUMENTATION NINTH EDITION JILL S. GEHRIG, RDH, MA; REBECCA SRODA, RDH, FAND; DARLENE SACCUZZO!@!@!##!@!
,Chapter 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
2 @@!@#FUNDAMENTALS OF PERIODONTAL INSTRUMENTATION AND ADVANCED ROOT INSTRUMENTATION NINTH EDITION JILL S. GEHRIG, RDH, MA; REBECCA SRODA, RDH, FAND; DARLENE SACCUZZO!@!@!##!@!
,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.
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
Fundamentals of Periodontal Instrumentation
and Advanced Root Instrumentation
Ninth Edition
Jill S. Gehrig, RDH, MA; Rebecca Sroda, RDH,
FAND; Darlene Saccuzzo, CDA, RDH, BASDH
ISBN:9781284019339
1 @@!@#FUNDAMENTALS OF PERIODONTAL INSTRUMENTATION AND ADVANCED ROOT INSTRUMENTATION NINTH EDITION JILL S. GEHRIG, RDH, MA; REBECCA SRODA, RDH, FAND; DARLENE SACCUZZO!@!@!##!@!
,Chapter 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
2 @@!@#FUNDAMENTALS OF PERIODONTAL INSTRUMENTATION AND ADVANCED ROOT INSTRUMENTATION NINTH EDITION JILL S. GEHRIG, RDH, MA; REBECCA SRODA, RDH, FAND; DARLENE SACCUZZO!@!@!##!@!
,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.
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
