Question 1

Body mechanics for the chairside dental assistant include:

Accepted Answer

A) tilting the head and leaning forward. 
B) sitting with a straight back, supported by a backrest and placing thighs parallel to the floor. 
C) placing elbows close to body. 
D) both b and c 
A) tilting the head and leaning forward. 
B) sitting with a straight back, supported by a backrest and placing thighs parallel to the floor. 
C) placing elbows close to body. 
D) both b and c D

Question 2

Repetitive motion,overflexion,and overextension of the wrist can significantly increase the risk for:

Accepted Answer

A) cumulative trauma disorders. 
B) breaking the bone. 
C) arthritis. 
D) both a and b 
A) cumulative trauma disorders. 
B) breaking the bone. 
C) arthritis. 
D) both a and b A

Question 3

Prevention of carpal tunnel syndrome (CTS)can be accomplished by:

Accepted Answer

A) warming the muscles and joints of hands by slowly opening and closing hands. 
B) frequently resting the hands. 
C) holding one arm out in front of body with hand extended, then pulling back gently with fingers of other hand. 
D) all of the above. 
A) warming the muscles and joints of hands by slowly opening and closing hands. 
B) frequently resting the hands. 
C) holding one arm out in front of body with hand extended, then pulling back gently with fingers of other hand. 
D) all of the above. D

Question 4

The number of bones contained in the carpal tunnel is:

Accepted Answer

A) three. 
B) six. 
C) eight. 
D) twelve. 
A) three. 
B) six. 
C) eight. 
D) twelve.

Question 5

In carpal tunnel syndrome (CTS),tendons swell and exert pressure on the:

Accepted Answer

A) carpal bones. 
B) volar carpal ligament. 
C) median nerve. 
D) synovial sheath. 
A) carpal bones. 
B) volar carpal ligament. 
C) median nerve. 
D) synovial sheath.

Question 6

Physical challenges faced by dental professionals are the development of:

Accepted Answer

A) back and joint pain. 
B) neck and shoulder pain and headache. 
C) hand and wrist pain. 
D) all of the above. 
A) back and joint pain. 
B) neck and shoulder pain and headache. 
C) hand and wrist pain. 
D) all of the above.

Question 7

Frequent reaching,twisting,and working with the arms in awkward positions can cause all of the following except:

Accepted Answer

A) sprains. 
B) strains. 
C) stress. 
D) both a and b 
A) sprains. 
B) strains. 
C) stress. 
D) both a and b

Question 8

Ergonomic chairside suggestions include:

Accepted Answer

A) avoiding prolonged, awkward positions and remaining in one position for extended periods of time. 
B) increasing repetitions and forceful movements. 
C) rearranging items in the operatory for easy use and using muscles to remain balanced for ease of movement. 
D) both a and c 
A) avoiding prolonged, awkward positions and remaining in one position for extended periods of time. 
B) increasing repetitions and forceful movements. 
C) rearranging items in the operatory for easy use and using muscles to remain balanced for ease of movement. 
D) both a and c

Question 9

To prevent eyestrain,the dental assistant should:

Accepted Answer

A) always wear safety glasses. 
B) look up frequently and focus on a point in the distance for about 20 seconds. 
C) focus on the dentist's hands and patient's mouth. 
D) never look at the curing light. 
A) always wear safety glasses. 
B) look up frequently and focus on a point in the distance for about 20 seconds. 
C) focus on the dentist's hands and patient's mouth. 
D) never look at the curing light.

Question 10

The use of ambidextrous gloves can place excessive tension on the:

Accepted Answer

A) median nerve. 
B) carpal bones. 
C) synovial sheath. 
D) thenar eminence. 
A) median nerve. 
B) carpal bones. 
C) synovial sheath. 
D) thenar eminence.

Question 11

All the following factors contribute to musculoskeletal disorders (MSDs)except:

Accepted Answer

A) posture. 
B) repetition and force. 
C) twisting. 
D) both a and b 
A) posture. 
B) repetition and force. 
C) twisting. 
D) both a and b

Question 12

The ideal working position for a dental assistant is:

Accepted Answer

A) a neutral position sitting upright with body weight evenly distributed. 
B) standing chairside. 
C) seated, leaning forward supported by the stool arm. 
D) either a or c 
A) a neutral position sitting upright with body weight evenly distributed. 
B) standing chairside. 
C) seated, leaning forward supported by the stool arm. 
D) either a or c

Question 13

The risk for cumulative trauma disorders (CTDs)can increase with:

Accepted Answer

A) standing in one position for extended periods of time. 
B) overflexion and overextension of the wrist. 
C) slouching. 
D) none of the above. 
A) standing in one position for extended periods of time. 
B) overflexion and overextension of the wrist. 
C) slouching. 
D) none of the above.

Question 14

Optimal operator positioning includes:

Accepted Answer

A) working from a neutral position. 
B) repositioning the patient as necessary. 
C) both a and b 
D) none of the above. 
A) working from a neutral position. 
B) repositioning the patient as necessary. 
C) both a and b 
D) none of the above.

Question 15

Before beginning any physical exercise to prevent injury and strain,it is a good idea to:

Accepted Answer

A) make sure that you can endure the daily regimen. 
B) check with your physician that it is safe to perform the exercises. 
C) check with your physician if you experience pain while attempting any movements. 
D) do both b and c 
A) make sure that you can endure the daily regimen. 
B) check with your physician that it is safe to perform the exercises. 
C) check with your physician if you experience pain while attempting any movements. 
D) do both b and c

Question 16

To relieve stress on the back,neck,and shoulders a dental assistant can:

Accepted Answer

A) periodically get up and walk around. 
B) perform a full back release and head rotations. 
C) perform a shoulder shrug. 
D) do both b and c 
A) periodically get up and walk around. 
B) perform a full back release and head rotations. 
C) perform a shoulder shrug. 
D) do both b and c

Question 17

During procedures,frequently used items should be:

Accepted Answer

A) positioned behind the dental assistant on the counter in order of use. 
B) on a separate tray to the side of the assistant. 
C) within a comfortable distance, not above the shoulders. 
D) within a comfortable distance away from the work area, slightly above the shoulder level. 
A) positioned behind the dental assistant on the counter in order of use. 
B) on a separate tray to the side of the assistant. 
C) within a comfortable distance, not above the shoulders. 
D) within a comfortable distance away from the work area, slightly above the shoulder level.

Question 18

The full back release involves:

Accepted Answer

A) drawing the left arm across the chest and moving the head slowly to the right. 
B) dropping the head down slowly while allowing the arms and head to fall between the knees. 
C) placing the hands and knees on a flat surface an arching the back like a cat. 
D) touching your toes and then hyperextending your back and neck. 
A) drawing the left arm across the chest and moving the head slowly to the right. 
B) dropping the head down slowly while allowing the arms and head to fall between the knees. 
C) placing the hands and knees on a flat surface an arching the back like a cat. 
D) touching your toes and then hyperextending your back and neck.

Question 19

Eyestrain is caused by not focusing for long enough periods during dental procedures.

Accepted Answer

A) True 
 B)False

Question 20

Periodic stretching of the muscles that support the back,neck,forearms,wrists,and hands will help keep them strong and healthy.

Accepted Answer

A) True 
 B)False

Exam 25: Ergonomics

Body mechanics for the chairside dental assistant include:

Repetitive motion,overflexion,and overextension of the wrist can significantly increase the risk for:

Prevention of carpal tunnel syndrome (CTS)can be accomplished by:

The number of bones contained in the carpal tunnel is:

In carpal tunnel syndrome (CTS),tendons swell and exert pressure on the:

Physical challenges faced by dental professionals are the development of:

Frequent reaching,twisting,and working with the arms in awkward positions can cause all of the following except:

Ergonomic chairside suggestions include:

To prevent eyestrain,the dental assistant should:

The use of ambidextrous gloves can place excessive tension on the:

All the following factors contribute to musculoskeletal disorders (MSDs)except:

The ideal working position for a dental assistant is:

The risk for cumulative trauma disorders (CTDs)can increase with:

Optimal operator positioning includes:

Before beginning any physical exercise to prevent injury and strain,it is a good idea to:

To relieve stress on the back,neck,and shoulders a dental assistant can:

During procedures,frequently used items should be:

The full back release involves:

Eyestrain is caused by not focusing for long enough periods during dental procedures.

Periodic stretching of the muscles that support the back,neck,forearms,wrists,and hands will help keep them strong and healthy.

History of Dentistry

The Professional Dental Assistant

The Dental Healthcare Team

Dental Ethics

Dentistry and the Law

General Anatomy

General Physiology

Oral Embryology and Histology

Head and Neck Anatomy

Landmarks of the Face and Oral Cavity

Overview of the Dentitions

Tooth Morphology

Dental Caries

Periodontal Disease

Preventive Dentistry

Nutrition

Oral Pathology

Microbiology

Disease Transmission and Infection Prevention

Principles and Techniques of Disinfection

Principles and Techniques of Instrument Processing and Sterilization

Regulatory and Advisory Agencies

Chemical and Waste Management

Dental Unit Waterlines

The Patient Record

Vital Signs

Oral Diagnosis and Treatment Planning

The Special Needs and Medically Compromised Patient

Principles of Pharmacology

Assisting in a Medical Emergency

The Dental Office

Delivering Dental Care

Dental Hand Instruments

Dental Handpieces and Accessories

Moisture Control

Anesthesia and Pain Control

Foundations of Radiography, Radiographic Equipment, and Radiation Safety

Digital Imaging, Dental Film, and Processing Radiographs

Legal Issues, Quality Assurance, and Infection Prevention

Intraoral Imaging

Extraoral Imaging

Restorative and Esthetic Dental Materials

Dental Liners, Bases, and Bonding Systems

Dental Cements

Impression Materials

Laboratory Materials and Procedures

General Dentistry

Matrix Systems for Restorative Dentistry

Fixed Prosthodontics

Provisional Coverage

Removable Prosthodontics

Dental Implants

Endodontics

Periodontics

Oral and Maxillofacial Surgery

Pediatric Dentistry

Coronal Polishing

Dental Sealants

Orthodontics