Efda study test with correct answers
A carver should be adapted at a __________ to the surface being carved.
A. 45 degree angle
B. 30 degree angle
C. 60 degree angle
D. 90 degree angle - CORRECT ANSWER-D. 90 degree angle
What is the function of the index finger in the modified pen grasp?
A. Rest lightly in the side of the instrument
B. Holds the instrument handle opposite the thumb
C. It has no function in the grasp
D. Rests on the incisal or occlusal surface during activation if the instrument -
CORRECT ANSWER-B. Holds the instrument handle opposite the thumb
How does the EFDA accomplish activation (movement) of an instrument in order to
avoid muscle cramping and fatigue?
A. Move the hand, wrist, and forearm as one unit
B. Moving the hand, wrist, and forearm as one unit, keeping a secure fulcrum
C. Flexing the fingers back and forth
D. Flexing the fingers back and forth, keeping a secure fulcrum - CORRECT ANSWER-
B. Moving the hand, wirst, and forearm as one unit , keeping a secure fulrcum
For best results of most operative procedures, it is important for he Efda to maintain
complete:
A. Retraction
B. Protection
C. Isolation
D. Contamination - CORRECT ANSWER-C. Isolation
What method of isolation is recommended for short periods of time and is the oldest
method used for moisture control?
,A. Cotton roll
B. Dri angles
C. Rubber dam
D. High speed evacuation - CORRECT ANSWER-A. Cotton rolls
From the statements listed below, which statement is NOT a disadvantage of using
cotton roll isolation?
A. They become saturated easily
B. They protect against aspiration
C. They offer limited retraction if lips and cheeks
D. They need changed frequently - CORRECT ANSWER-B. They protect against
aspiration
What form of isolation is considered ideal in operative procedures?
A. Cotton roll
B. Dri angles
C. Rubber dam
D. High speed evacuation - CORRECT ANSWER-C. Rubber dam
An EFDA is attempting to isolate an operating field in the oral cavity. Which method
listed below is considered ideal?
A. Gauze squares
B. Dri angles
C. Cotton rolls
D. Rubber dam - CORRECT ANSWER-D. Rubber dam
What is a disadvantage of rubber dam isolation?
A. Time consuming
B. Limited retraction if lips and cheeks
C. Limited protection against aspiration
D. Limited protection of the patient and operator - CORRECT ANSWER-A. Time
consuming
When applying the dental dam for complete isolation of teeth, the Efda will need to
________ the dam.
A. Ligate
B. Contour
C. Dry
D. Invert - CORRECT ANSWER-D. Invert
In removing the dental dam, the septum portion of the dam is:
A. Burnished
B. Cut
C. Ligated
D. Lubricated - CORRECT ANSWER-B. Cut
,Tooth #20 (universal number) is to be restored. Name the teeth to be isolated with a
rubber dam.
A. #19 through #22
B. #18 through #21
C. #18 through #22
D. #19 through #21 - CORRECT ANSWER-A. #19 through #22
Before trying a clamp on a tooth, it is necessary to:
A. Disinfect the tooth
B. Measure the tooth
C. Tie a ligature (attach floss) in the clamp
D. Place the dental dam - CORRECT ANSWER-C. Tie a ligature (attach floss) on the
clamp
What is the function of the jaw of a rubber dam clamp?
A. Holes on the clamp for the forceps
B. Part of the clamp which are expanded to fit over the tooth
C. Parts which contact the tooth
D. Key to minimizing accidental aspiration - CORRECT ANSWER-B. Part of the clamp
which are expanded to fit over the tooth
What is key to stabilization of the rubber dam?
A. Floss
B. Frame
C. Inverting the dam
D. rubber damn clamp - CORRECT ANSWER-D. Rubber dam clamp
When restoring a maxillary tooth, best visual access can be obtained with the patient
reclined in a supine (chair horizontal) position. The plane of the maxillary arch is:
A. Perpendicular to the floor
B. Parallel to the floor
C. Any position that is comfortable for the patient
D. And position that is comfortable for the operator - CORRECT ANSWER-A.
Perpendicular to the floor
When restoring a mandibular tooth, best visual access can be obtained with the patient
reclined with the back of the chair angles slightly up (30-40 degrees). The plane of the
mandibular arch is:
A. Perpendicular to the floor
B. Parallel to the floor
C. Any position that is comfortable for the patient
D. Any position that is comfortable for the operator - CORRECT ANSWER-B. Parallel to
the floor
What instruments are used I place amalgams, composite resins and temporary filling
materials into cavity preparations?
, A. Compactors
B. Carvers
C. Burnishers
D. rotary instruments - CORRECT ANSWER-A. Compactors
What instruments are used to remove excess amalgam, composite resins and
temporary filling materials after the material has been placed in the cavity preparation?
A. Compactors
B. Carvers
C. Burnishers
D. rotary instruments - CORRECT ANSWER-B. Carvers
What instruments are used to rub and smooth amalgam after it has been placed in the
cavity preparation?
A. Compactors
B. Carvers
C. Burnishers
D. rotary instruments - CORRECT ANSWER-C. Burnishers
The three basic parts of an instrument are:
A. The handle, side, and working end
B. The handle, shank, and tip
C. The handle, shank, and heel
D. The handle, shank, and working end - CORRECT ANSWER-D. The handle, shank,
and working end
The working end of a carver (discloid/cleoid) has a cutting edge divided into three
general areas. They are:
A. The handle, shank, and tip
B.the shank, tip, and heel
C. The tip, side and heel
D. the side, tip, shank - CORRECT ANSWER-C. The tip, side, and heel
What instruments are designed to finish and polish amalgam and composite
restorations?
A. Rotary
B. Condensers
C. Carvers
D. Burnishers - CORRECT ANSWER-A. rotary
Select from the following list, the instrument grasp that offers the greatest control during
performance of restorative procedures in the oral cavity.
A. The pens grasp
B. The palm grasp
C. The modified pen grasp
A carver should be adapted at a __________ to the surface being carved.
A. 45 degree angle
B. 30 degree angle
C. 60 degree angle
D. 90 degree angle - CORRECT ANSWER-D. 90 degree angle
What is the function of the index finger in the modified pen grasp?
A. Rest lightly in the side of the instrument
B. Holds the instrument handle opposite the thumb
C. It has no function in the grasp
D. Rests on the incisal or occlusal surface during activation if the instrument -
CORRECT ANSWER-B. Holds the instrument handle opposite the thumb
How does the EFDA accomplish activation (movement) of an instrument in order to
avoid muscle cramping and fatigue?
A. Move the hand, wrist, and forearm as one unit
B. Moving the hand, wrist, and forearm as one unit, keeping a secure fulcrum
C. Flexing the fingers back and forth
D. Flexing the fingers back and forth, keeping a secure fulcrum - CORRECT ANSWER-
B. Moving the hand, wirst, and forearm as one unit , keeping a secure fulrcum
For best results of most operative procedures, it is important for he Efda to maintain
complete:
A. Retraction
B. Protection
C. Isolation
D. Contamination - CORRECT ANSWER-C. Isolation
What method of isolation is recommended for short periods of time and is the oldest
method used for moisture control?
,A. Cotton roll
B. Dri angles
C. Rubber dam
D. High speed evacuation - CORRECT ANSWER-A. Cotton rolls
From the statements listed below, which statement is NOT a disadvantage of using
cotton roll isolation?
A. They become saturated easily
B. They protect against aspiration
C. They offer limited retraction if lips and cheeks
D. They need changed frequently - CORRECT ANSWER-B. They protect against
aspiration
What form of isolation is considered ideal in operative procedures?
A. Cotton roll
B. Dri angles
C. Rubber dam
D. High speed evacuation - CORRECT ANSWER-C. Rubber dam
An EFDA is attempting to isolate an operating field in the oral cavity. Which method
listed below is considered ideal?
A. Gauze squares
B. Dri angles
C. Cotton rolls
D. Rubber dam - CORRECT ANSWER-D. Rubber dam
What is a disadvantage of rubber dam isolation?
A. Time consuming
B. Limited retraction if lips and cheeks
C. Limited protection against aspiration
D. Limited protection of the patient and operator - CORRECT ANSWER-A. Time
consuming
When applying the dental dam for complete isolation of teeth, the Efda will need to
________ the dam.
A. Ligate
B. Contour
C. Dry
D. Invert - CORRECT ANSWER-D. Invert
In removing the dental dam, the septum portion of the dam is:
A. Burnished
B. Cut
C. Ligated
D. Lubricated - CORRECT ANSWER-B. Cut
,Tooth #20 (universal number) is to be restored. Name the teeth to be isolated with a
rubber dam.
A. #19 through #22
B. #18 through #21
C. #18 through #22
D. #19 through #21 - CORRECT ANSWER-A. #19 through #22
Before trying a clamp on a tooth, it is necessary to:
A. Disinfect the tooth
B. Measure the tooth
C. Tie a ligature (attach floss) in the clamp
D. Place the dental dam - CORRECT ANSWER-C. Tie a ligature (attach floss) on the
clamp
What is the function of the jaw of a rubber dam clamp?
A. Holes on the clamp for the forceps
B. Part of the clamp which are expanded to fit over the tooth
C. Parts which contact the tooth
D. Key to minimizing accidental aspiration - CORRECT ANSWER-B. Part of the clamp
which are expanded to fit over the tooth
What is key to stabilization of the rubber dam?
A. Floss
B. Frame
C. Inverting the dam
D. rubber damn clamp - CORRECT ANSWER-D. Rubber dam clamp
When restoring a maxillary tooth, best visual access can be obtained with the patient
reclined in a supine (chair horizontal) position. The plane of the maxillary arch is:
A. Perpendicular to the floor
B. Parallel to the floor
C. Any position that is comfortable for the patient
D. And position that is comfortable for the operator - CORRECT ANSWER-A.
Perpendicular to the floor
When restoring a mandibular tooth, best visual access can be obtained with the patient
reclined with the back of the chair angles slightly up (30-40 degrees). The plane of the
mandibular arch is:
A. Perpendicular to the floor
B. Parallel to the floor
C. Any position that is comfortable for the patient
D. Any position that is comfortable for the operator - CORRECT ANSWER-B. Parallel to
the floor
What instruments are used I place amalgams, composite resins and temporary filling
materials into cavity preparations?
, A. Compactors
B. Carvers
C. Burnishers
D. rotary instruments - CORRECT ANSWER-A. Compactors
What instruments are used to remove excess amalgam, composite resins and
temporary filling materials after the material has been placed in the cavity preparation?
A. Compactors
B. Carvers
C. Burnishers
D. rotary instruments - CORRECT ANSWER-B. Carvers
What instruments are used to rub and smooth amalgam after it has been placed in the
cavity preparation?
A. Compactors
B. Carvers
C. Burnishers
D. rotary instruments - CORRECT ANSWER-C. Burnishers
The three basic parts of an instrument are:
A. The handle, side, and working end
B. The handle, shank, and tip
C. The handle, shank, and heel
D. The handle, shank, and working end - CORRECT ANSWER-D. The handle, shank,
and working end
The working end of a carver (discloid/cleoid) has a cutting edge divided into three
general areas. They are:
A. The handle, shank, and tip
B.the shank, tip, and heel
C. The tip, side and heel
D. the side, tip, shank - CORRECT ANSWER-C. The tip, side, and heel
What instruments are designed to finish and polish amalgam and composite
restorations?
A. Rotary
B. Condensers
C. Carvers
D. Burnishers - CORRECT ANSWER-A. rotary
Select from the following list, the instrument grasp that offers the greatest control during
performance of restorative procedures in the oral cavity.
A. The pens grasp
B. The palm grasp
C. The modified pen grasp
