TEXAS RDA COMPREHENSIVE ANSWERS AND
QUESTIONS SET A+
✔✔Coronal polishing on a 6-year-old child by a dental assistant is charged to insurance.
True -OR- False - ✔✔False
✔✔Which of the following is true?
A- All dental offices must use safety needles, scalpels, and recapping devices
B- The employees' medical records must be kept on file for all employees who have
been exposed to blood and saliva
C- The medical record must have the dates of the employees flu vaccines
D- The use of safety needles and scalpels is decided by the dentist alone - ✔✔B- The
employees' medical records must be kept on file for all employees who have been
exposed to blood and saliva
✔✔Which of the following is true about the sterilization of instruments?
A- It is never okay to sterilize unwrapped instruments
B- Sterilization cannot use dry heat
C- If we use wraps with indicators that turn brown, we know the instruments are sterile
D- It is important to label the packages with the date - ✔✔D- It is important to label the
packages with the date
✔✔Handpieces:
A- Are fragile instruments and should never be sterilized
B- Must go in an ultrasonic bath before you put them in a sterilizer
C- Must be flushed for 20-30 seconds before and after patient use
D- Can be wiped down with disinfecting wipes between patients - ✔✔C- Must be
flushed for 20-30 seconds before and after patient use
✔✔Hazardous chemicals in the dental office include all of the following, except:
, A- Mercury
B- Nitrous oxide
C- Glutaraldehyde
D- Composite resin - ✔✔D- Composite resin
✔✔Bio-hazardous waste:
A- Is any waste tainted with any amount of saliva or blood
B- Must be removed from the dental office by a biohazardous waste service
C- Includes patient bibs, disposable items, and gloves
D- Can be disposed of in the regular trash if it is wrapped and sterilized - ✔✔D- Can be
disposed of in the regular trash if it is wrapped and sterilized
✔✔Impressions and prostheses going into the lab:
A- Need to be rinsed off with water
B- May cause cross contamination
C- Should be placed in a plastic bag immediately
D- Cannot be sprayed with any disinfectant because it will distort the impression - ✔✔B-
May cause cross contamination
✔✔The infection control quality assurance program consists of the following, except:
A- Regular inspections by an infection control consultant
B- A written quality control manual
C- A checklist for infection control procedures
D- Yearly review and training for employees - ✔✔A- Regular inspections by an infection
control consultant
✔✔Which is true for a radiograph?
A- A bitewing is used to diagnose lesions at the end of the root
B- A periapical is the ideal x-ray for the diagnosis of interproximal caries
C- A CBCT is an extraoral x-ray ideally used to screen for pathology
D- A bitewing is used to diagnose caries and early stage bone loss from periodontal
disease - ✔✔D- A bitewing is used to diagnose caries and early stage bone loss from
periodontal disease
✔✔Which of the following statements is true for vertical and horizontal angulation?
A- Overlapped contacts are the result of incorrect horizontal angulation
B- Foreshortening is the result of under-angulation of the x-ray beam
C- To correct elongation, the operator must decrease the vertical angulation
QUESTIONS SET A+
✔✔Coronal polishing on a 6-year-old child by a dental assistant is charged to insurance.
True -OR- False - ✔✔False
✔✔Which of the following is true?
A- All dental offices must use safety needles, scalpels, and recapping devices
B- The employees' medical records must be kept on file for all employees who have
been exposed to blood and saliva
C- The medical record must have the dates of the employees flu vaccines
D- The use of safety needles and scalpels is decided by the dentist alone - ✔✔B- The
employees' medical records must be kept on file for all employees who have been
exposed to blood and saliva
✔✔Which of the following is true about the sterilization of instruments?
A- It is never okay to sterilize unwrapped instruments
B- Sterilization cannot use dry heat
C- If we use wraps with indicators that turn brown, we know the instruments are sterile
D- It is important to label the packages with the date - ✔✔D- It is important to label the
packages with the date
✔✔Handpieces:
A- Are fragile instruments and should never be sterilized
B- Must go in an ultrasonic bath before you put them in a sterilizer
C- Must be flushed for 20-30 seconds before and after patient use
D- Can be wiped down with disinfecting wipes between patients - ✔✔C- Must be
flushed for 20-30 seconds before and after patient use
✔✔Hazardous chemicals in the dental office include all of the following, except:
, A- Mercury
B- Nitrous oxide
C- Glutaraldehyde
D- Composite resin - ✔✔D- Composite resin
✔✔Bio-hazardous waste:
A- Is any waste tainted with any amount of saliva or blood
B- Must be removed from the dental office by a biohazardous waste service
C- Includes patient bibs, disposable items, and gloves
D- Can be disposed of in the regular trash if it is wrapped and sterilized - ✔✔D- Can be
disposed of in the regular trash if it is wrapped and sterilized
✔✔Impressions and prostheses going into the lab:
A- Need to be rinsed off with water
B- May cause cross contamination
C- Should be placed in a plastic bag immediately
D- Cannot be sprayed with any disinfectant because it will distort the impression - ✔✔B-
May cause cross contamination
✔✔The infection control quality assurance program consists of the following, except:
A- Regular inspections by an infection control consultant
B- A written quality control manual
C- A checklist for infection control procedures
D- Yearly review and training for employees - ✔✔A- Regular inspections by an infection
control consultant
✔✔Which is true for a radiograph?
A- A bitewing is used to diagnose lesions at the end of the root
B- A periapical is the ideal x-ray for the diagnosis of interproximal caries
C- A CBCT is an extraoral x-ray ideally used to screen for pathology
D- A bitewing is used to diagnose caries and early stage bone loss from periodontal
disease - ✔✔D- A bitewing is used to diagnose caries and early stage bone loss from
periodontal disease
✔✔Which of the following statements is true for vertical and horizontal angulation?
A- Overlapped contacts are the result of incorrect horizontal angulation
B- Foreshortening is the result of under-angulation of the x-ray beam
C- To correct elongation, the operator must decrease the vertical angulation
