Question 1

During procedures,frequently used items should be:

Accepted Answer

A) kept behind you 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, and above the shoulders. 
A) kept behind you 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, and above the shoulders. C

Question 2

To prevent eyestrain,the dental assistant should:

Accepted Answer

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

Question 3

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. D

Question 4

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) sitting 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) sitting leaning forward supported by the stool arm. 
D) either a or c.

Question 5

The full back release involves:

Accepted Answer

A) inversion with gravity boots. 
B) letting the head move down slowly and allowing the arms and head to fall between the knees. 
C) lowering the back of the dental chair until the patient's head is lower than their feet. 
D) touching your toes and then hyperextending your back. 
A) inversion with gravity boots. 
B) letting the head move down slowly and allowing the arms and head to fall between the knees. 
C) lowering the back of the dental chair until the patient's head is lower than their feet. 
D) touching your toes and then hyperextending your back.

Question 6

Ergonomic chairside suggestions include:

Accepted Answer

A) avoiding prolonged awkward positions and remaining in one position for extended periods of time. 
B) increase of 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) increase of 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 7

The first symptom of carpal tunnel syndrome (CTS) is often a(n):

Accepted Answer

A) decreased ability to squeeze an object. 
B) painful tingling in one or both hands that occurs at night. 
C) painful swelling of joints in the fingers. 
D) inability to button clothing. 
A) decreased ability to squeeze an object. 
B) painful tingling in one or both hands that occurs at night. 
C) painful swelling of joints in the fingers. 
D) inability to button clothing.

Question 8

While exercising daily will help prevent injuries and strain,before you begin exercising you should:

Accepted Answer

A) make sure 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) both b and c. 
A) make sure 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) both b and c.

Question 9

The goal of ergonomics is to help people:

Accepted Answer

A) adapt the human body to the work environment. 
B) increase their range of twisting and reaching motions. 
C) establish sequences of repetitive motions to reduce work strain. 
D) stay healthy while performing their work more effectively. 
A) adapt the human body to the work environment. 
B) increase their range of twisting and reaching motions. 
C) establish sequences of repetitive motions to reduce work strain. 
D) stay healthy while performing their work more effectively.

Question 10

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.

Question 11

The dental assistant should keep _________ when assisting.

Accepted Answer

A) head tilted, leaning forward 
B) back straight and supported by a backrest and keep thighs parallel to the floor 
C) elbows close to body 
D) both b and c 
A) head tilted, leaning forward 
B) back straight and supported by a backrest and keep thighs parallel to the floor 
C) elbows close to body 
D) both b and c

Question 12

Deviation from the neutral position includes:

Accepted Answer

A) twisting and leaning forward. 
B) overbending back and reaching. 
C) neither of the above. 
D) both a and b. 
A) twisting and leaning forward. 
B) overbending back and reaching. 
C) neither of the above. 
D) both a and b.

Question 13

What can a dental assistant do to relieve stress on the back,neck,and shoulders?

Accepted Answer

A) Periodically get up and walk around 
B) Do the full back release and head rotations 
C) Do shoulder shrugging 
D) Both b and c 
A) Periodically get up and walk around 
B) Do the full back release and head rotations 
C) Do shoulder shrugging 
D) Both b and c

Question 14

Which of the following factors can contribute to musculoskeletal disorders (MSDs)?

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 15

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 16

Frequent reaching,twisting,and working with the arms in awkward positions can cause:

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 17

Prevention of CTS (carpal tunnel syndrome) 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.

Question 18

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

Accepted Answer

A) True 
 B)False

Question 19

The carpal tunnel contains _____ carpal bones.

Accepted Answer

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

Question 20

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.

Exam 25: Ergonomics

During procedures,frequently used items should be:

To prevent eyestrain,the dental assistant should:

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

The ideal working position for a dental assistant is:

The full back release involves:

Ergonomic chairside suggestions include:

The first symptom of carpal tunnel syndrome (CTS) is often a(n):

While exercising daily will help prevent injuries and strain,before you begin exercising you should:

The goal of ergonomics is to help people:

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

The dental assistant should keep _________ when assisting.

Deviation from the neutral position includes:

What can a dental assistant do to relieve stress on the back,neck,and shoulders?

Which of the following factors can contribute to musculoskeletal disorders (MSDs)?

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

Frequent reaching,twisting,and working with the arms in awkward positions can cause:

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

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

The carpal tunnel contains _____ carpal bones.

Optimal operator positioning includes:

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