Registered Dental Assistant Exam (AMT)
Questions and Answers 100% Solved
This helps to isolate posterior areas in the maxillary and mandibular arches
by covering Stensen's duct.
A. saliva ejector
B. dry-angle pad
C.HVE
D. cotton rolls - ✔✔B. dry-angle pad
What is it called when an excess of restorative material extends beyond the
tooth margin?
A. overhang
B. fissure
C. low margin
D. high margin - ✔✔A. overhang
Gypsum materials include which of the following materials?
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,A. plaster
B.quick-set stone
C.orthodontic stone
D.all of the above - ✔✔D. All of the above
Which of the following instruments would appear on an amalgam
restoration tray?
A. rongeurs
B. burnisher
C.prophy angle
D. Curette - ✔✔B. Burnisher
Barriers for light handles and chairs should be
A. impervious-backed paper or plastic covers.
B. easy to remove.
C. adequate coverage for all items that are difficult to clean or disinfect.
D. all of the above. - ✔✔D. All of the above
2
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,The type of gloves used during disinfection and clean-up procedures are
called
A.utility gloves.
B.vinyl gloves.
C.latex gloves.
D.Overgloves. - ✔✔A. Utility gloves
The main purpose of surgical hand antisepsis is to
A. reduce the chance of contaminating the patient if gloves become
punctured or torn.
B. eliminate allergic reactions on DHCP hands.
C. clean and sterilize the hands before putting on sterile gloves.
D. prevent the contamination of the DHCP skin through unnoticed pinholes
in the gloves. - ✔✔A. reduce the chance of contaminating the patient if
gloves become punctured or torn.
Dental handpieces (both high and slow speed) should be sterilized
A. after each patient.
B. before and after lubrication.
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, C. once a day.
D. After working on a patient with a communicable disease. - ✔✔A. After
each patient
The pulp can best be described as
A. consisting of tissue that surrounds and supports the teeth.
B. covering the root of the tooth.
C. nourishing and protecting the tooth.
D. the hardest substance in the body. - ✔✔C. nourishing and protecting the
tooth.
Amalgam placed in the cavity preparation is most often accomplished by
using a(n)
A. amalgam carrier.
B.condenser.
C. carver.
D. Burnisher. - ✔✔A. amalgam carrier.
In infection control how are radiograph heads or PIDs categorized?
4
©JOSHCLAY 2024/2025. YEAR PUBLISHED 2024.
Questions and Answers 100% Solved
This helps to isolate posterior areas in the maxillary and mandibular arches
by covering Stensen's duct.
A. saliva ejector
B. dry-angle pad
C.HVE
D. cotton rolls - ✔✔B. dry-angle pad
What is it called when an excess of restorative material extends beyond the
tooth margin?
A. overhang
B. fissure
C. low margin
D. high margin - ✔✔A. overhang
Gypsum materials include which of the following materials?
1
©JOSHCLAY 2024/2025. YEAR PUBLISHED 2024.
,A. plaster
B.quick-set stone
C.orthodontic stone
D.all of the above - ✔✔D. All of the above
Which of the following instruments would appear on an amalgam
restoration tray?
A. rongeurs
B. burnisher
C.prophy angle
D. Curette - ✔✔B. Burnisher
Barriers for light handles and chairs should be
A. impervious-backed paper or plastic covers.
B. easy to remove.
C. adequate coverage for all items that are difficult to clean or disinfect.
D. all of the above. - ✔✔D. All of the above
2
©JOSHCLAY 2024/2025. YEAR PUBLISHED 2024.
,The type of gloves used during disinfection and clean-up procedures are
called
A.utility gloves.
B.vinyl gloves.
C.latex gloves.
D.Overgloves. - ✔✔A. Utility gloves
The main purpose of surgical hand antisepsis is to
A. reduce the chance of contaminating the patient if gloves become
punctured or torn.
B. eliminate allergic reactions on DHCP hands.
C. clean and sterilize the hands before putting on sterile gloves.
D. prevent the contamination of the DHCP skin through unnoticed pinholes
in the gloves. - ✔✔A. reduce the chance of contaminating the patient if
gloves become punctured or torn.
Dental handpieces (both high and slow speed) should be sterilized
A. after each patient.
B. before and after lubrication.
3
©JOSHCLAY 2024/2025. YEAR PUBLISHED 2024.
, C. once a day.
D. After working on a patient with a communicable disease. - ✔✔A. After
each patient
The pulp can best be described as
A. consisting of tissue that surrounds and supports the teeth.
B. covering the root of the tooth.
C. nourishing and protecting the tooth.
D. the hardest substance in the body. - ✔✔C. nourishing and protecting the
tooth.
Amalgam placed in the cavity preparation is most often accomplished by
using a(n)
A. amalgam carrier.
B.condenser.
C. carver.
D. Burnisher. - ✔✔A. amalgam carrier.
In infection control how are radiograph heads or PIDs categorized?
4
©JOSHCLAY 2024/2025. YEAR PUBLISHED 2024.
