Question 1

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.E) B) and C)
F) B) and D)

Question 2

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.E) C) and D)
F) All of the above

Question 3

The carpal tunnel contains _____ carpal bones.

Accepted Answer

A)  three
B)  six
C)  eight
D)  twelveE) A) and C)
F) None of the above

Question 4

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 cE) A) and B)
F) A) and C)

Question 5

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.E) A) and C)
F) B) and C)

Question 6

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.E) B) and C)
F) All of the above

Question 7

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.E) A) and B)
F) A) and C) C

Question 8

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 bE) A) and B)
F) A) and C)

Question 9

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.E) C) and D)
F) B) and C)

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.E) All of the above
F) C) and D) D

Question 11

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.E) A) and B)
F) A) and C)

Question 12

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.E) A) and D)
F) A) and C)

Question 13

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.E) A) and B)
F) A) and D) B

Question 14

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.E) All of the above
F) B) and C)

Question 15

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.E) A) and C)
F) C) and D)

Question 16

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.E) A) and B)
F) A) and C)

Question 17

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.E) All of the above
F) A) and D)

Question 18

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.E) A) and C)
F) None of the above

Question 19

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

Accepted Answer

A) True 
 B)False

Question 20

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 cE) C) and D)
F) A) and B)

Exam 25: Ergonomics

Deviation from the neutral position includes:

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

The carpal tunnel contains _____ carpal bones.

Correct AnswerverifiedShow Answer

The dental assistant should keep _________ when assisting.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Optimal operator positioning includes:

Correct AnswerverifiedShow Answer

During procedures,frequently used items should be:

Correct AnswerverifiedC

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedD

Ergonomic chairside suggestions include:

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

To prevent eyestrain,the dental assistant should:

Correct AnswerverifiedB

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

Correct AnswerverifiedShow Answer

The ideal working position for a dental assistant is:

Correct AnswerverifiedShow Answer

The goal of ergonomics is to help people:

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

The full back release involves:

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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C

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D

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B

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