4Y051O CDCs Volume 1, Unit 2 Exam
Questions and Answers (Latest
Update 2026)
Purpose of screening a patient's dental health record -
correct answer ✅To determine procedures to be performed.
Review AF 696 for positive entries , verify you have the correct
record for the patient being treated.
Inform the dentist or provider of any positive entries on AF form
696 -
correct answer ✅Before the patient is seated
What must you know to select the instruments for a specific
procedure? -
correct answer ✅Instruments the procedure requires, instruments
the dentist prefers, and the sequence of the procedure.
How should you arrange instruments for a specific procedure -
correct answer ✅In the order of use,
What can you do so that patients do not see the instruments,
medications and materials required for treatment. ? -
correct answer ✅Use patient drape to cover arranged instruments.
Also cover medications and materials placed on other work
surfaces
,4Y051O CDCs Volume 1, Unit 2 Exam
Questions and Answers (Latest
Update 2026)
What is included in the instrument pack? -
correct answer ✅Series of instruments and supplies placed in
cloth, paper plastic or a combination wrapper, and sterilized as a
unit.
Why does using pack save energy and time? -
correct answer ✅Contents of the pack are planned so that almost
everything needed for a specific procedure is available in the pack.
How do trays differ from packs? -
correct answer ✅Trays let you prearrange instruments in the order
used
Typical tray -
correct answer ✅Corrosion resistant sterilizable tray with the
contents usually covered with a cloth towel, surgical wrapper or
suitable metal cover or lid.
,4Y051O CDCs Volume 1, Unit 2 Exam
Questions and Answers (Latest
Update 2026)
How should you greet the patient? -
correct answer ✅Walk to waiting room and greet patient by name
and rank
What should you do when there is a possibility that treatment may
not begin at scheduled time ? Why? -
correct answer ✅Let the patient know, failing to do so may anger
the best of patients.
If patient is referred to another area in the clinic, what should you
do? -
correct answer ✅Escort your patient to the designated place.
What topics are acceptable for conversation when escorting the
patient? -
correct answer ✅Noncontroversial subjects like the weather or the
patients hobbies.
How should you position the treatment chair before seating the
patient? -
correct answer ✅Lower treatment chair to its lowest position,
, 4Y051O CDCs Volume 1, Unit 2 Exam
Questions and Answers (Latest
Update 2026)
move arm of the chair out of the way and swing the bracket tray
and dental light away from the chair. Adjust headrest
When positioning the patient, how should the patient's occlusal
plain be positioned? -
correct answer ✅Occlusal plane of patient's mandibular teeth
should be parallel to the floor when the patients mouth is open.
Except patients with medical conditions, how should the patient be
reclined in the chair? -
correct answer ✅So that the patients feet are slightly higher that
the patients head.
Name two draping techniques used for dental patients -
correct answer ✅Routine and surgical drape.
What is the primary purpose of the routine drape? -
correct answer ✅To protect patient's clothing
Questions and Answers (Latest
Update 2026)
Purpose of screening a patient's dental health record -
correct answer ✅To determine procedures to be performed.
Review AF 696 for positive entries , verify you have the correct
record for the patient being treated.
Inform the dentist or provider of any positive entries on AF form
696 -
correct answer ✅Before the patient is seated
What must you know to select the instruments for a specific
procedure? -
correct answer ✅Instruments the procedure requires, instruments
the dentist prefers, and the sequence of the procedure.
How should you arrange instruments for a specific procedure -
correct answer ✅In the order of use,
What can you do so that patients do not see the instruments,
medications and materials required for treatment. ? -
correct answer ✅Use patient drape to cover arranged instruments.
Also cover medications and materials placed on other work
surfaces
,4Y051O CDCs Volume 1, Unit 2 Exam
Questions and Answers (Latest
Update 2026)
What is included in the instrument pack? -
correct answer ✅Series of instruments and supplies placed in
cloth, paper plastic or a combination wrapper, and sterilized as a
unit.
Why does using pack save energy and time? -
correct answer ✅Contents of the pack are planned so that almost
everything needed for a specific procedure is available in the pack.
How do trays differ from packs? -
correct answer ✅Trays let you prearrange instruments in the order
used
Typical tray -
correct answer ✅Corrosion resistant sterilizable tray with the
contents usually covered with a cloth towel, surgical wrapper or
suitable metal cover or lid.
,4Y051O CDCs Volume 1, Unit 2 Exam
Questions and Answers (Latest
Update 2026)
How should you greet the patient? -
correct answer ✅Walk to waiting room and greet patient by name
and rank
What should you do when there is a possibility that treatment may
not begin at scheduled time ? Why? -
correct answer ✅Let the patient know, failing to do so may anger
the best of patients.
If patient is referred to another area in the clinic, what should you
do? -
correct answer ✅Escort your patient to the designated place.
What topics are acceptable for conversation when escorting the
patient? -
correct answer ✅Noncontroversial subjects like the weather or the
patients hobbies.
How should you position the treatment chair before seating the
patient? -
correct answer ✅Lower treatment chair to its lowest position,
, 4Y051O CDCs Volume 1, Unit 2 Exam
Questions and Answers (Latest
Update 2026)
move arm of the chair out of the way and swing the bracket tray
and dental light away from the chair. Adjust headrest
When positioning the patient, how should the patient's occlusal
plain be positioned? -
correct answer ✅Occlusal plane of patient's mandibular teeth
should be parallel to the floor when the patients mouth is open.
Except patients with medical conditions, how should the patient be
reclined in the chair? -
correct answer ✅So that the patients feet are slightly higher that
the patients head.
Name two draping techniques used for dental patients -
correct answer ✅Routine and surgical drape.
What is the primary purpose of the routine drape? -
correct answer ✅To protect patient's clothing
