RDA Exam
An abnormal degrees of glucose in the blood can cause
Hypoglycemia
Calcium hydroxide is used in dentistry as a
Liner
Which is the most common technique for stain removal?
Rubber cup polishing
For a right handed dentist, where is the static zone located?
12-2 o'clock
When using Etchant, how long is it left on the tooth structure?
15-20 seconds
What is the range of shelf life of sealant materials?
18-36 months
What is the ratio of breaths to compressions for an adult victim when CPR is performed?
2 breaths and 30 compressions
Dental instruments used in a general dentistry are divided into _______ categories of restorative procedures.
4
The assistant's stool should be positioned
4 to 6 inches above the operator
Motions are categorized into ________ categories dependent upon the extent of the motion and the nature of the movement.
5
Once a permanent restoration is cemented in place with permanent cement the only way to remove it is with
A hand piece and bur
The smear layer is
A protective secretion produced by the layers of the teeth
Which of the following is an exam of an OSHA required sharp with engineered injury protection?
A self-sheathing needle attached to a dental anesthetic needle
The chairside assistant should routinely scan the patient during treatment from their head to their feet. If there is a problem with the patient that the assistant can observe, it is said to be
A sign
Solutions use for cooling and irrigating during oral surgical procedures must be delivered through
A sterile delivery device
What is a temporary sedative dressing or a direct provisional restoration?
A temporary filling
Instrument cassettes should be wrapped
After cleaning and before sterilization
In accordance with Dental Board regulations, the high speed hand piece line and air/water syringe should be flushed with water _____________
After each patient
A surgical mask must be changed
After every patient
When should chairside environmental barriers be changed?
After every patient
When should impervious barriers used in the dental operators be changed?
After every patient
The " A " in the CAB of basic life support stands for
Airway
An effective product from the office emergency care when needing to treat a patient experiencing a fainting episode is
Ammonia inhalant
What is a luting agent?
An adhesive like cement that holds two structures together
Another term used to describe a systemic allergic reaction action is _____________ and is a life-threatening condition.
Anaphylaxis
The medical term for chest pain is
Angina
An ___________ is a substance that causes an immune response.
Antigen
____________ is a surgical procedure involving the removal of the tip of the root.
Apicoectomy
The ____________ is the part of the orthodontic fixed appliance that initiated and establishes tooth movement in the arch.
Arch wire
An automated external defibrillator (AED) is used for all except to
Automatically perform CPR for 15 minutes y
To prevent alveolitis after a tooth extraction, the patient should be instructed to
Avoid drinking through a straw
Universal/Recyclable waste is defined as
Batteries and fluorescent lamps
When working with a left-handed dentist, the instrument transfer zone is located where?
Between 5 and 8 o'clock
For a left handed dentist, the assistant's zone is located
Between 8 and 10 o'clock
Which of the following is an example of regulated medical waste?
Biopsy tissue
Which device is used to assist in keeping a patient's mouth open during a restorative procedure?
Bite block
________________ is a measurement of how hard the heart must work to pump blood through the body.
Blood Pressure
Which of the following would be regulated under OSHA's Hazard Communication Standard?
Bonding etchant
The medication a patient with asthma would most likely carry at all times is
Bronchodilator
________ is the main medicament found in a dental liner and stimulates secondary dentin.
Calcium hydroxide
Which of the following should be performed FIRST if an adult patient doesn't have a pulse?
Call for emergency assistance
What is a contraindication for a patient when a procedure calls for gingival retraction cord impregnated with epinephrine?
Cardiovascular disease
A patient with which of the following medical conditions may benefit from prophylactic sublingual nitroglycerin?
Cardiovascular disorders
How are brackets adhered to a tooth?
Cement
In performing cardiovascular resuscitation on an adult patient, the first important step to perform is
Checking the patient for responsiveness
_________________ gloves are to be used when the dental operators is broken down, striped of its barriers and surface disinfected using a germicidal agent.
Chemical-resistant utility gloves
The OSHA Hazard Communication Standard is based on the premise that an employee has the right to know about the
Chemicals in the office
Which classification of movement is defined as movement of fingers only such as picking up a single item from a flat surface?
Class I
According to the Dental Board regulations, what is the proper method for decontaminating impressions before sending them to the laboratory?
Clean and disinfect using an intermediate level disinfectant
What is the proper management for work surfaces that become contaminated with blood?
Clean and then disinfect
______________ must precede any disinfection or sterilization process.
Cleaning
All but which instrument listed is part of a basic instrument set up
College pliers
Hazard communication labeling (SDS) Is required when using secondary containers for products/materials used in the dental office. The purpose of the labeling is to
Communicate the hazardous chemicals in the product, the location of the safety data sheet in the SDS binder, the level of the risk of flammability, health reaction and PPE to be used around the product
What portion of the pulp would the dentist removed in a pulpotomy?
Coronal portion
Which of the listed instruments is categorized as an examination instrument?
Cotton forceps
A drug that is prescribed to slow the clotting of blood is
Coumadin
Which of the following is the best infection control practice for clinical contact surfaces that are difficult or impossible to clean?
Covering surfaces with an impervious barrier
According to the board regulations, instruments, or Devices that penetrate soft tissue or bone are categorized as
Critical
Instruments with the greatest risk of transmitting infection are
Critical instruments
Fix prosthodontics is commonly referred to as
Crown and bridge
The ___________ are used to trim around the margin of a stainless steel crown.
Crown and bridge scissors
According to State Law, who is allowed to place a liner during a restorative procedure?
Dentist and RDA
According to State law, Who is legally allowed to place etchant on tooth structure for purposes of the restoration or dental sealants?
Dentist and RDA
According to State law, who is legally allowed to fabricate and cement a provisional restoration?
Dentist and RDA
Who is legally allowed to place a base during a restorative procedure?
Dentist and RDA
Who can perform a dental prophylaxis?
Dentist and dental hygienist
A single-use item reduced the risk of disease transmission because it is
Discarded and not reused
Which instrument is ideal for carving occlusal amalgams?
Discoid-cleoid carver
What product contains calcium hydroxide?
Dycal
What agency regulates the registration of disinfectants and chemical sterilant used in dentistry?
EPA
Which party is responsible for ensuring a safety data sheet is available in the work place for each hazardous material?
Employer
What is the best way to remain approachable to an anxious patient?
Encourage questions
Which would be an example of an antibiotic?
Erythromycin
Stains that may be removed from the surfaces of the teeth are
Extrinsic stains
A matrix down create a temporary proximal for Class I tooth preparations.
False
Another name for the tofflemire retainer is a sectional matrix retainer .
False
As a matter of ethics, the dental assistant should NOT follow the wishes of an adult patient who asks that a suspected case of abuse and/or neglect not be reported, even when such a report is not mandated by law.
False
DA's and RDA's can perform a mouth mirror inspection of the oral cavity.
False
During in-office bleaching , there is no harm done if some bleaching material touches soft tissue.
False
It is acceptable and customary to trim a provisional introorally.
False
The dentist has a duty to respect each patient's individuality, humanity, and autonomy in decision making.
False
The diagonal slots on the head of the Tofflemire retainer are always facing the buccal.
False
Wedges should always be placed from the buccal
False
When performing a mouth mirror inspection, the assistant will diagnose their findings.
False
The term "obturate" means to
Fill a pulpal canal
Why are pits and fissures susceptible to caries?
Fluoride is less effective in these areas and these areas are difficult to clean
In accordance with Dental Board regulations, the dental unit water lines must be ___________ between each patient.
Flushed with water for 20 seconds
The primary active agent in the solution used for unsaturated chemical vapor sterilization is
Formaldehyde
When setting up an instrument tray, the instruments should be set up in what order?
From left to right
What technique is used by the operator to prevent injury to the patient if the operator's hand or the instrument slips while in use during treatment?
Fulcrum
Similar to a hatchet, the _____________ instrument has a curved blade, is not flat and the cutting end is angled.
Gingival margin trimmer
When putting on PPE, which item should be put on last, just before patient care begins?
Gloves
If a blood pressure reading of 142/96 is obtained on an adult, is is classified as
Hypertension
Which item of personal protective equipment must be removed before leaving operatories or areas of patient activities?
Gloves
The material commonly used for filling an endodontically treated canal is
Gutta percha
The __________ provides removal of large amounts of fluid and debris from the patient's mouth
HVE
According to OSHA, which infection control measure is considered the most critical for reducing the transmission of microbes in the heath are setting?
Hand washing
The portion of a dental instrument held by the operator is called the
Handle
A critical step for healthcare workers in preventing the spread of disease is proper hygiene of one's
Hands
What could be a contraindication to a patient receiving fixed prosthodontics?
Having poor oral hygiene
________ is a mandated section within an office OSHA manual that is used to communicate the chemical hazards of each of the materials and solutions used by an employee.
Hazard communication plan
Safety data sheet are required by OSHA's
Hazard communication standard
Used radiograph fixer solution is usually considered
Hazardous waste
Which of the following viral infections can be prevented through immunization?
Hepatitis B
Of the common medical emergencies in a dental setting, the emergency where a patient experiences a bad mood, anxiety and appears sweaty is
Hypoglycemia
Sealants are placed on what surface of the tooth?
In pits and fissures
___________ is the act of providing information, verbally or in writing, ensuring the understanding by the patient as to the nature of the proposed dental treatment.
Informed consent
The use of nitrous oxide and oxygen gasses together is known as what?
Inhalation sedation
Which two materials are best to use as a temporary sedative dressing?
Intermediate restorative material and zinc oxide eugenol
What damage can result from using the prophy angle at high speed?
It can cause frictional heat
Why is clear sealant material less desirable?
It is more difficult to evaluate
What does the AED provide to the heart?
Jolt of electrical current
What patient safety precautions should be considered when one is placing sealants?
Keep the etchant off the soft tissue and Have the patient wear eyewear
According to OSHA requirements, sharps container must be
Leak-proof, puncture resistant and closable
__________ is a slow moving reaction contained to one area of the body.
Localized allergic reaction
_____________ is the benchmark Microorganism that classifies as a disinfectant as intermediate.
M. tuberculosis var bovis
Angle's classifications are used to classify and describe
Malocclusion
Which of the following statements most accurately defined engineering controls?
Materials and devices that prevent employee exposure to hazardous or infectious substances.
What piece of lab equipment is used to grind away plaster or stone?
Model trimmer
What is the main cause of sealant failures?
Moisture contamination
Routine hand washing removes
Most of the transient microbes and some of the resident microbes
Are sealants the only preventive measure used?
No
What is the difference between filled and infilled sealants regarding retention rates?
No difference
Spreaders and pluggers are used in the
Obturation of a root canal
What surface of the posterior tooth would the dentist enter with a rotary bur when opening a canal for root canal therapy?
Occlusal
According to the Dental Board regulations, how long should sterilization monitoring records be kept?
One year
Which instrument is used to place and remove elastic ties and remove orthodontic separators?
Orthodontic scaler
When, in centric occlusion, the mandibular anterior teeth cannot be seen, the diagnosis is
Overbite
Which of the below is most commonly used in a medical emergency?
Oxygen
The material placed in a denture that will pinpoint sore spot is called
PIP paste
The __________ grasp is when the instrument is held in the palm of the operator's hand.
Palm grasp
______________ is a removable prosthesis that replaces one or several teeth.
Partial
What oral conditions contraindicate the use of an ultrasonic scaler?
Patients with demineralization, Narrow periodontal pockets, exposed dentin
When the dentist tabs on a tooth, what diagnostic test is being performed?
Percussion
What type of radiograph is most commonly exposed during endodontic procedures?
Periapical
A surgical dressing that is applied to the surgical site for protection is called a
Periodontal dressing
The dental speciality that deals with the diagnosis and treatment of disease of supporting tissues is
Periodontics
Zinc Oxide Eugenol (ZOE) is what type of cement?
Permanent and temporary
According to regulations, protective eyewear, surgical mask, gloves, and gowns or lab coats are
Personal protective equipment
Which orthodontic instrument is used to snip off wire ligatures once they have been tied around a bracket?
Pin and ligature cutter
To ease the placement of orthodontic bands, what procedure is completed to open the contact between teeth?
Placement of a separator
During the instrument exchange process, the assistant hands of an instrument to the dentist so that the working end of the instrument is pointed towards the arch (maxillary or mandibular) being worked on. The term used to describe this exchange method is called
Position of use
_____________ is a specific area on a partial or denture that may press or rub against the underlying soft tissue.
Pressure point
The dental history portion of a patient record provides the dental team with what information?
Previous dental care and treatment
What is the more common term for a dental prophylaxis?
Prophy
The primary reason a surgical face mask must be used during a dental procedure is to?
Protect the DHCP from exposure to splatter, spray or splash
The diagnosis of inflamed pulp tissue is
Pulpitis
____________ is another type of vital sign that measures the concentration of oxygen in the blood.
Pulse oximetry
The requirement hand protection when processing instruments in preparation of sterilization is
Puncture resistant utility gloves
According to state law, who is legally allowed to remove excess cement with a hand instrument?
RDA
Photo chemical waste is defined as
Radiographic lead foil and fixer
The dental unit provides necessary electricity and hoses with air and water to the patient chair and ______________ delivery system is positioned behind the the patient's head
Rear
The dental assistant's responsibility in an emergency situation is to
Recognize the symptoms and signs of a significant medical complaint and provide appropriate support in implementing emergency procedures
A used dental anesthetic needle is an example of
Regulated waste
Prior to sterilization, loose contaminated instruments are processed in an ultrasonic cleaner to
Remove debris and bioburden
The air/water syringe is primarily used during the coronal polishing procedure for what?
Remove the remaining paste
Which of the following is one sign of anaphylactic shock?
Respiratory distress
The purpose of dating packages of sterilized instruments is to
Retrieve packs in the event of a sterilization failure
A ______________ controls dental handpieces and is attached to the dental unit via hoses.
Rheostat
A self etching adhesive eliminates the need to
Rinse etchant from the tooth
What benefit does etchant provide during the bonding process?
Roughens up the enamel and/or dentinal leyes in preparation for bonding
According to OSHA, safety measures that should be taken when using dental materials with potential he hazardous chemicals must be found in a
Safety data sheet
A percutaneous sharps injury refers to a
Sharps injury that does penetrate the skin and requires reporting
Clinical considerations for patients with bronchial asthma should include?
Shorter appointments to reduce stress
The irrigation solution most commonly used during root canal therapy is
Sodium hypochlorite
What is defined as being primarily large-particles of water, saliva, blood, microorganisms, and other debris found in the spray from dental handpieces?
Spatter
Which non mechanical dental hand instrument is best used to remove dental caries?
Spoon excavator
Which of the following can be used as both a provisional coverage for adult patients and a permanent restoration for pediatric patients?
Stainless steel crown
Which set of precautions is intended to prevent exposure to all body fluids?
Standard
Oral surgical procedures require the use of what?
Sterile irrigating solutions using a sterile delivery system
The ___________ position places the patient's head lower than their feet.
Sub-supine
_________is a term used to describe what a patient is feeling and is unobservable to the dental assistant or dentist.
Symptom
Elevating the patient's feet above the head to increase blood flow to the brain is the response to what medical condition?
Syncope
Of the common medical emergencies in a dental setting,the emergency where the patient experiences nausea, pounding heartbeat and feeling warm is
Syncope
What is the medical term for fainting?
Syncope
A provisional coverage also could be called
Temporary restoration or an indirect provisional restoration
The patient's chart is a permanent record in the dental office and is the property of whom?
The dentist
Who legally owns a patient's dental radiographs?
The dentist
If a material notes that it is "dual cure" that means
The material will enter the initial setting phase on its own, but needs the curing light to complete the setting process
According to the OSHA, annual blood borne pathogens training programs should include
The modes of disease transmission
A coronal polishing procedure is _____________
The removal of stain following scaling
Which of the following is recommended for managing contamination of digital radiographic sensors that cannot be heat sterilized?
The use of impervious barriers followed by cleaning and disinfection
The purpose of dental sealants is
To prevent decay in pits and fissures of teeth
What is the purpose of coronal polishing?
To remove stains and plaque
Toward which direction should the polishing stroke be directed?
Toward the incisal and the occlusal.
The term festooning means to
Trim
A Mylar strip is used as a matrix for anterior composite restorations.
True
A RDA or RDAEF who holds a permit as an orthodontic assistant or a dental sedation assistant shall not be required to complete additional continuing education requirements beyond that which is required for licensure renewal in order to renew either permit.
True
A digital sensor for digital x-rays requires the use of an impervious barrier prior to placement in the patient's mouth.
True
A poor placed wedge will create an overhang in the restoration.
True
A registered dental assistant in extended functions may adjust and cement permanent indirect restorations.
True
Indirect vision is the process of using a mouth mirror for vision in the oral cavity.
True
It is illegal for an unlicensed dental assistant to obtain intestinal images from computer-aided CAD design units like CEREC.
True
It is unprofessional conduct for a licensed person to perform, or hold him or herself out as able to preform, professional services beyond the scope of his/her license and field of competence as established by his/her education, experience, and training.
True
On the California RDA Written examination, only the clinical name, not the brand name of a material will be used.
True
The RDA may not mill the final restoration in the CAD/CAM machine as this is considered fabrication of permanent restoration- a procedure only allowed to be performed by an RDAEF or a Dentist.
True
The dental assistant has an obligation to enhance professional competency through continuous learning, incorporating new knowledge into daily performance of delegated services.
True
The dentist has a duty to communicate truthfully. This principle expresses the concept that professionals have a duty to be honest and trustworthy in their dealings with people.
True
The dentist relies on the honesty of the patient to gather the facts necessary to form a proper diagnosis.
True
The dentist should always perform a final check of the RDA performed computer impression prior to the final milking of a permanent crown.
True
Wedges are supplied in plastic and /or wood and are triangular and/or round.
True
When fabricating a provisional it is important to check the misil and distal contacts.
True
When mixing a material make sure all the powder is incorporated into the liquid prior to adding more powder.
True
When seated properly, the matrix band will sit 2mm above the occlusal surface.
True
ZPC should always be mixed on a cool, glass slab incorporating the powder into the liquid in small but steady increments.
True
What type of mechanical device is used to clean contaminated instruments prior to sterilization?
Ultrasonic
Employees must receive training regarding hazardous chemicals at what interval?
Upon hire, whenever a new hazard is introduced, and at least annually
During a sealant procedure, the process of polymerization occurs using which of the following methods?
Using a curing light of sufficient strength and using a self-cure material which does not require the use of a curing light
While cleaning contaminated instruments, an assistants receives a percutaneous injury to the finger. The assistant should FIRST
Wash hands with soap and water
The first step in addressing ( treating ) An accidental exposure injury should be
Wash the exposed skin with soap and water
Routine hand washing for dental healthcare personnel includes the use of
Water and plain liquid soap
According to Dental Board regulations, biological monitors for assessing the effectiveness of a sterilizer are to be used ___________________ for each sterilizer used in the dental office.
Weekly
Which of the listed instruments is categorized as a restorative instrument?
Woodson plastic instrument
Well portion of a dental instrument has a blade, point or nib?
Working end
According to the OSHA Bloodborne Pathogens Standard, each dental office must be an exposure control plan that is
Written and reviewed at least once every year
What charting symbol indicates a tooth that is not visible in the mouth?
X through the tooth
Using traditional radiographic procedures, which of the following is considered a clinical contact surface?
X-ray control panel
All disinfectants should be used
according to the manufacturer's directions
A custom temporary is made out of
acrylic material
When the body reacts negatively to a drug, what is occurring?
adverse effect
If epinephrine is found in the office emergency kit, it is commonly used for what purpose
allergic reaction
What kind of allergic response could be life threatening?
anaphylaxis
Torn gloves should be replaced
as soon as possible
In emergency care, the acronym AED represents
automated external defibrillator
What is the main effective ingredient in tooth whitening material?
carbamide peroxide
The two types of temporary crowns are
custom and preformed
Another term for necrotic is
dead and nonvital
What type of moisture control is recommended for root canal therapy?
dental dam
The accessibility of the exposure control plan for employees is the responsibility of the
employer
_______ is a surgical Periodontal treatment.
gingivectomy
When using the air water syringe during dental treatment which of the following personal protective equipment are recommended by the CDC?
gloves, mask, gown, and eye protection
Stains that cannot be removed from the surfaces of the teeth are
intrinsic stains
A scavenger unit is used for the respiratory protection during the use of
nitrous oxide
An analgesic would be prescribed for
pain relief
Which of the following modes of disease transmission best describes a human bite?
parenteral
What endodontic procedure would be performed to partially remove the pulp?
pulpotomy
The correct steps to take when a glove rips or tears during a procedure are
remove the glove, wash and dry hands, and place new glove
Which of the following best describes the appropriate container for a biopsy specimen?
single-use leak proof container with a biohazard symbol
What is the purpose of selective polishing?
to polish only teeth with stain
If a medication were placed sublingually, where would it be placed?
under the tongue
To reduce the risk of disease transmission in the dental office, it is recommended to
use disposable items whenever possible
Why is a base placed?
• As a measure of protection for the pulp • When decay or damage is too close to pulp • On the floor of the tooth preparation
The term polymerization means to
• Cure • Set • Harden
Etchant material is
• Typically, electric blue in color • 37-39% phosphoric acid • very bitter tasting
If the patient experiences an asthma attack while being treated, the dental team should
• remove all materials from the patient's mouth • please the patient in an upright seated position • hand the patient their bronchodilator
