RDA exam🦷 [written & law exam prep]
For a right handed dentist, where is the static zone located? a. 12-2 o'clock b. 2-4 o'clock c. 4-7 o'clock d. 7-12 o'clock
a. 12-2 o'clock
A digital impression is ______ a. a picture or image of the prepped tooth b. a preliminary impression c. a master impression d. an alginate impression
a. A picture or image of the prepped tooth.
which of the following should be done FIRST of an adult patient does not have a pulse? a. Call for emergency assistance b. Administer oxygen c. Call the patient's medical doctor d. Administer CPR
a. Call for emergency assistance
Solutions used for cooling and irrigating during oral surgical procedures are best deliver through ______: a. a sterile delivery device b. a dental unit with a water reservoir c. a clean deliver device d. a dental unit with a water filter
a. a sterile delivery device
A provisional coverage also could be called ______. a. a temporary restoration or an indirect provisional restoration. b. a temporary filling. c. a permanent crown. d. a direct restoration.
a. a temporary restoration or an indirect provisional restoration.
When the body reacts negatively to a drug, what is occurring? a. adverse effect b. response c. symptom d. sign
a. adverse effect
When should chairside environmental barriers be changed? a. after every patient b. at the middle of and at the end of each day c. at the end of each day d. immediately after they are touched
a. after every patient
When should chairside environmental barriers be changed? a. after every patient b. at the middle of and at the end of each day c. at the end of each day d. immediately after they are touched
a. after every patient
What is a luting agent? a. an adhesive, like a cement, that holds two structures together b. etchant c. primer d. all of the above
a. an adhesive, like a cement, that holds two structures together
Another term used to describe a systemic allergic reaction is _______ and is a life-threatening condition. a. anaphylaxis b. localized c. symptom d. asthma
a. anaphylaxis
A/an ______ is a substance that causes an immune response. a. antigen b. antibody c. allergy d. none of the above
a. antigen
what endodontic procedure would be preformed to partially remove the pulp? a. apicoectomy b. pulpectomy c. pulpotomy d. retrograde
a. apicoectomy
Torn gloves should be replaced ______ a. as soon as possible b. before entering the lab c. after the patient leaves d. at the end of the day
a. as soon as possible
In emergency care, the acronym AED represents a. automated external defibrillator b. auxiliary examination device c. acute emergency drill d. airway that is externally directed
a. automated external defibrillator
How are brackets adhered to a tooth? a. cement b. sealant c. bonding agent d. wax
a. cement
The first step a dental healthcare provider should perform before providing cardiopulmonary resuscitation on an adult patient is ______. a. checking the patient for signs of breathing, movement or circulation. b. ask the patient if they are ok. c. call 911 d. begin compressions.
a. checking the patient for signs of breathing, movement or circulation.
Which classification of movement is denied as movement of fingers only such as picking up a single item from a flat surface? a. class I b. class II c. class III d. class IV
a. class I
According to the dental board regulations, what is the proper method for decontaminating impressions before sending them to the laboratory? a. clean and disinfect using an intermediate level disinfectant b. clean with soap and water c. spray with mouthwash d. disinfect, package and sterilize
a. clean and disinfect using an intermediate level disinfectant.
What portion of the pulp would the dentist remove in a pulpotomy? a. coronal portion b. root portion c. complete pulp d. only the infected portion
a. coronal portion
Which of the following products contains calcium hydroxide? a. dycal b. ZPC c. ZOE d. polycarboxylate
a. dycal
stains that may be removed from the surfaces of the teeth are ______. a. extrinsic stain. b. natural stains. c. intrinsic stains. d. infected stains.
a. extrinsic stain.
A mylar strip is used as a matrix for anterior composite restorations. a. true b. false
a. false
used radiograph fixer solution is usually considered ______: a. hazardous waste b. household waste c. contaminated waste d. general waste
a. hazardous waste
The ______ provides removal of large amounts of fluid and debris from the patient's mouth. a. high volume evacuator b. saliva ejector c. high speed hand piece d. air/water syringe
a. high volume evacuator
Of the common medical emergencies in a dental setting, the emergency where a patient exercises a bad mood, anxiety and appears sweaty is ______. a. hypoglycemia b. hyperglycemia c. hyperemia d. epileptic seizure
a. hypoglycemia
sealants are placed ______. a. in pits and fissures. b. on cingulum's c. in grooves d. on marginal ridges.
a. in pits and fissures
What damage can result from using the prophy angle at high speed? a. it can cause frictional heat b. it can remove dentin c. it can cool the tooth d. it can etch enamel
a. it can cause frictional heat
What piece of lab equipment is used to grind away plaster or stone? a. model trimmer b. lathe c. bunsen burner d. laboratory handpiece
a. model trimmer
A scavenger unit is used for respiratory protection during the use of ______. a. nitrous oxide b. ultrasonic cleaners c. aerosol sprays d. cavitron units
a. nitrous oxide
What is the difference between filled and unfilled sealants regarding retention rates? a. no difference b. filled is much stronger c. unfilled will last longer d. the filler is weaker
a. no difference
What surface of the posterior tooth would the dentist enter with a rotary bur when opening a canal for root canal therapy? a. occlusal b. facial c. mesial d. incisal
a. occlusal
which of the following modes of disease transmission best describes a human bite? a. parenteral b. bloodborne c. indirect d. airborne
a. parenteral
What type of radiograph is most commonly exposed in endodontics? a. periapical b. cephalometric c. panoramic d. bitewing
a. periapical
According to regulations, protective eyewear, surgical masks, gloves, and gowns or lab coats are ______. a. personal protective equipment. b. Infection protective gear. c. office protective supplies. d. protective protection material.
a. personal protective equipment
What is more common term for a dental prophylaxis? a. prophy b. sealants c. scaling d. root planning
a. prophy
The diagnosis of inflamed pulp tissue is ______. a. pulpitis. b. pulpotomy. c. pulpectomy.
a. pulpitis
A self etching adhesive eliminates the need to ______. a. rinse etchant from the tooth b. dry the tooth structure after placement c. adjust the restoration after placement
a. rinse etchant from the tooth
What benefit does etchant provide during the bonding process? a. roughens up the enamel and/or dental layers in preparation for bonding b. desiccates the tooth c. eliminates a step from the bonding process d. all of the above
a. roughens up the enamel and/or dental layers in preparation for bonding.
The ______ position places the patient's head lower than their feet. a. sub-spine b. supine c. upright d. parallel
a. sub-spine
The patient record is a permanent document of whom? a. the dentist b. a court of law c. the patient d. the dental practice
a. the dentist.
Which of the following is recommended for managing contamination of digital radiographic sensors that cannot be heat sterilized? a. the use of impervious barriers followed by cleaning and disinfection b. the use of impervious barriers followed by chemical sterilization c. cleaning and disinfection alone d. The use of impervious barriers alone
a. the use of impervious barriers followed by cleaning and disinfection
The term festooning means to ______. a. trim b. polish c. contour and shape d. none of the above
a. trim
A digital image is what is we call radiographs, x-rays or films when they are taken digitally. a. true b. false
a. true
A poorly placed wedge will create an overhang in the restoration. a. true b. false
a. true
A registered dental assistant or registered dental assistant in extended functions 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. a. true b. false
a. true
An FMX can be taken with traditional x-ray film or with the digital radiology technique. a. true b. false
a. true
Indirect vision is the process of using a mouth mirror for vision in the oral cavity. a. true b. false
a. true
It is unprofessional conduct for a licensed person to perform or hold him or herself out as able to perform, professional services beyond the scope of his or her license and field or fields of competence as established by his or her education, experience, and training. a. true b. false
a. true
It will take some time in training to grow accustom to using an intro oral camera. a. true b. false
a. true
On the California RDA written examination, only the clinical name, not the brand name, of a material will be used. a. true b. false
a. true
Only a registered dental assistant is legally allowed to obtain a digital impression by means of CAD/CAM technology and should be completely trained in the process by the manufacturer prior to performance of the procedure. a. true b. false
a. true
The RDA may not mill the final restoration on the CAD/CAM machine as this is considered fabrication of a permanent restoration - a procedure only allowed to be performed by an RDAEF [licensed after 1/1/2010] or a dentist. a. true b. false
a. true
The dental assistant has an obligation to enhance professional competency through continuous learning, incorporating new knowledge into daily performance of delegated services. a. true b. false
a. true
The dentist has a duty to communicate truthfully. The principle expresses the concept that professionals have a duty to be honest and trustworthy and their dealings with people. a. true b. false
a. true
The dentist relies on the honesty of the patient to gather the facts necessary to form a proper diagnosis. a. true b. false
a. true
The dentist should always perform a final check of the RDA - performed computer impression prior to the final milling of a permanent crown. a. true b. false
a. true
Wedges are supplied in plastic and/or wood and are triangular and/or round. a. true b. false
a. true
When fabricating a provisional it is important to check the mesial and distal contacts. a. true b. false
a. true
When mixing a material, make sure all the powder is incorporated into the liquid prior to adding more powder. a. true b. false
a. true
When seated properly, the matrix band will sit 2mm above the occlusal surface. a. true b. false
a. true
ZPC should always be mixed on a cool, glass slab incorporating the power into the liquid in small, but steady, increments. a. true b. false
a. true
According to California regulations, biological indicators for assessing sterilization are to be used ______. a. weekly b. daily c. yearly d. monthly
a. weekly
Which of the listed instruments is categorized as a restorative instrument? a. woodson plastic instrument b. amalgam well c. explorer d. hatchet
a. woodson plastic instrument
According to the OSHA blood-borne pathogen's standard, each dental office must have an exposure control plan that is ______: a. written and reviewed at least once every year. b. verbal and reviewed at least once every five years. c. verbal and reviewed at least once every year. d. written and reviewed at least once every five years.
a. written and reviewed at least once every year.
The assistances stool should be positioned ______. a. 4 to 6 inches below the operator. b. 4 to 6 inches above the operator. c. 4 to 6 inches away from the patient. d. 4 to 6 inches above the patient.
b. 4 to 6 inches above the operator.
The material placed in a denture that will pinpoint sore spots is called ______. a. impression paste b. PIP paste c. polishing paste d. pigment paste
b. PIP paste
The smear layer is ______: a. oil left behind during the placement of the restoration. b. a protective secretion produced by the layers of teeth. c. not able to be removed. d. both B & C
b. a protective secretion produced by the layers of teeth.
The chairside assistance 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. a symptom b. a sign c. a condition d. emergency condition
b. a sign
Instrument cassettes should be wrapped ______. a. immediately after sterilization. b. after cleaning and before sterilization. c. immediately before storing. d. after instruments cool from sterilization.
b. after cleaning and before sterilization.
In accordance with California regulations, the high-speed handpiece line and air/water syringe should be flushed with water a. at the time of sterilization b. after each patient c. once a week d. once a day
b. after each patient
A surgical mask must be changed ______. a. after every 30 minutes of wear. b. after every patient. c. only if visibly wet. d. only if visibly soiled.
b. after every patient
What kind of allergic response could be life-threatening? a. grand mal seizure b. anaphylaxis c. myocardial infarction d. airway obstruction
b. anaphylaxis
The medical term for chest pain is ______. a. angioplasty b. angina c. angiogram d. anemia
b. angina
______ is a surgical procedure that involves the removal of the apex of a root. a. hemisection b. apioectomy c. forceps extraction d. pulpotomy
b. apioectomy
An automated external defibrillator [AED] is use for all except to ______ a. re-establish the proper heart rhythm by defibrillation b. automatically perform CPR for 15 minutes c. monitor the patient's heart rhythm d. shock the heart
b. automatically perform CPR for 15 minutes.
Universal/recyclable waste is defined as______. a. glutaraldehydes and x-ray cleaning solutions. b. batteries and fluorescent lamps. c. medications and prescriptions. d. radiographic lead foil and fixer.
b. batteries and fluorescent lamps.
which of the following is an example of regulated medical waste? a. patient bibs b. biopsy tissue c. used gloves d. damp cotton rolls
b. biopsy tissue
which device is used to assist in keeping a patients mouth open during a restorative procedure? a. rubber dam b. bite block c. cotton pellets d. cotton rolls
b. bite block
When a tooth is avulsed, it has ______. a. been fractured. b. come out c. been pushed back into the socket. d. become loose
b. come out
Which of the following is an example of a clinical contact surface? a. floors b. countertops c. walls d. sinks
b. countertops
Fixed prosthodontics is commonly referred to as ______. a. operative b. crown and bridge c. dentures d. prosthetics
b. crown and bridge
______ are used to trim around the margin of a stainless steel crown. a. surgical scissors b. crown and bridge scissors c. iris scissors d. suture scissors
b. crown and bridge scissors
The two types of temporary crowns are ______ or ______. a. polymerized or cured b. custom or preformed c. alginate or polyvinylsiloxane d. gold and alloy
b. custom or preformed
The accessibility of the exposure control plan for employees is the responsibility of the ______. a. designated trainer. b. employer. c. employee. d. department manager.
b. employer
Which party is responsible for ensuring a safety data sheet is available in the work place for each hazardous material? a. manufacture b. employer c. distributor d. employee
b. employer
Which of the following describes the best way to remain approachable to an anxious patient? a. work slowly b. encourage questions c. encourage quiet d. work quickly
b. encourage questions
A matrix band creates a temporary proximal far class I tooth preparations. a. true b. false
b. false
Another name for the tofflemire retainer is a sectional matrix retainer. a. true b. false
b. false
Care should be exercised to respect the wishes of an adult patient who asks that a suspected case of abuse and/or neglect not be reported, where such a report is not mandated by law. a. true b. false
b. false
DA's or RDA's can perform a mouth mirror inspection of the oral cavity. a. true b. false
b. false
During an office bleaching, there is no harm done if some bleaching material touches soft tissue. a. true b. false
b. false
Extraoral images can be captured with digital radiology devices, such as a sensor. a. true b. false
b. false
It is acceptable and customary to trim a provisional intraorally. a. true b. false
b. false
Only the dentist has a duty to respect each patient's individuality, humanity, and autonomy in decision making. a. true b. false
b. false
The diagonal slots on the head of the tofflemire retainer are always facing the buccal. a. true b. false
b. false
Wedges should always be placed from the buccal. a. true b. false
b. false
When performing a mouth mirror inspection, the assistant will diagnose their findings. a. true b. false
b. false
when setting up an instrument tray for cassette, the instruments should be set up ______. a. from right to left b. from left to right c. from top to bottom d. from bottom to top
b. from left to right.
Which PPE item must be removed before temporarily leaving a patient to retrieve supplies? a. mask b. gloves c. protective eyewear d. protective clothing
b. gloves
When using the air/water syringe during dental treatment, which of the following personal protective equipment items is required by the dental board of regulations? a. gloves, mask & gown b. gloves, mask, gown, and eye protection c. gloves and mask d. gloves, mask, gown, eye protection, and shoe covers
b. gloves, mask, gown, and eye protection
Safety data sheets (SDS) are required by OSHA's ______. a. community health standard. b. hazard communication standard. c. dental procedures standard. d. blood-borne pathogen's standard.
b. hazard communication standard.
An abnormal decrease of glucose in the blood can cause ______. a. angina b. hypoglycemia c. seizure d. hyperglycemia
b. hypoglycemia
Why is clear sealant material less desirable? a. it is less attractive b. it is more difficult to evaluate c. It does not match tooth color d. it is contraindicated with dental restorations
b. it is more difficult to evaluate
What does the AED provide to the heart? a. oxygen b. jolt of an electric current c. blood d. heat
b. jolt of an electric current
calcium hydroxide is used in dentistry as a ______. a. base b. liner c. matrix d. all of the above
b. liner
what is the main cause of sealant failures? a. polymerization b. moister contamination c. deep pits and fissures d. occlusion interference
b. moisture contamination
Routine handwashing removes ______. a. all of the transient microbes and all of the resident microbes. b. most of the transient microbes and some of the resident microbes. c. none of the transit microbes but all of the resident microbes. d. some of the resident microbes but none of the transit microbes.
b. most of the transient microbes and some of the resident microbes.
The dental history portion of a patient record provides the dental team with information regarding what information? a. previous dental care and treatment b. necessary dental care and treatment c. dental procedures that are legal for the dental assistant to complete d. data about the previous dentist
b. necessary dental care & treatment.
Are sealants the only preventive measure used? a. yes b. no
b. no
Spreaders and pluggers are used in the a. placement of a gold foil. b. obturation of a root canal. c. seating of a Maryland bridge. d. placement of an amalgam restoration.
b. obturation of a root canal.
The ______ grasp is when the instrument is held in the palm of the operators hand. a. palm-thumb grasp b. palm grasp c. pen grasp d. none of the above
b. palm grasp
The dental unit provides necessary electricity and hoses with air and water to the patient chair and the ______ delivery system is positioned behind the patient's head. a. front b. rear c. side d. top
b. rear
An oral prophylaxis includes ______. a. fluoride treatment b. removal of calculus and debris c. examination d. removal of decay
b. removal of calculus and debris
Which of the following is one sign of anaphylactic shock? a. erythema b. respiratory distress c. itching d. rise in blood
b. respiratory distress
According to OSHA, safety measures that should be taken when using dental materials with potentially hazardous chemicals must be found in a ______. a. chemical safety data sheet b. safety data sheet c. material first aid manual d. chemical first aid manual
b. safety data sheet
Clinical considerations for patients with bronchial asthma should include ______. a. paying attention to vinyl use. b. shorter appointments to reduce stress. c. having ammonia inhalant available. d. avoiding the use of sedatives.
b. shorter appointments to reduce stress.
The irrigation material most commonly used during root canal therapy is ______: a. water from the air-water syringe. b. sodium hypochlorite. c. concentrated sodium hypochlorite. d. phosphoric acid.
b. sodium hypochlorite.
oral surgical procedures require the use of _______. a. chemical agents to disinfect the water and water lines b. sterile irrigating solutions using a sterile delivery system c. water that meets the food and drug administration (FDA) surface water standards d. water that meets environmental protection agency (EPA) drinking water standards
b. sterile irrigating solutions using a sterile delivery system.
Elevating the patient's feet above the head to increase blood flow to the brain is the response to what medical condition? a. heart problems b. syncope c. allergic reaction d. diabetes
b. syncope [temporary loss of consciousness caused by a fall in blood pressure.]
The purpose of dental sealants is ______. a. to prevent decay from spreading b. to prevent decay in the pits and fissures of teeth c. to promote good oral health d. to prevent decay from interproximal spaces
b. to prevent decay in the pits and fissures of teeth.
What type of mechanical device is used to clean contaminated instruments prior to sterilization? a. hypersonic b. ultrasonic c. supersonic d. subsonic
b. ultrasonic
What type of gloves should be worn to protect the hands of dental healthcare personnel during instrument processing and operatory cleanup? a. sterile surgeons b. utility housekeeping c. cleaning examination d. polymer over gloves
b. utility housekeeping
While cleaning contaminated instruments, an assistant receives a percutaneous injury to the finger. The assistant should FIRST ______: a. notify the dentist/employer. b. wash hands with soap and water. c. wipe puncture site with glutaraldehyde. d. be evaluated by a physician.
b. wash hands with soap and water.
A dental assistant who receives an accidental exposure on the skin from a contaminated source should first: a. complete the procedure b. wash the exposed skin with soap and water c. complete an exposure incident report d. go to the nearest hospital emergency room
b. wash the exposed skin with soap and water
When using etchant, how long is it left on the tooth structure? a. 10 sec. b. 1 min. [60 sec.] c. 15-20 sec. d. 20-25 sec.
c. 15-20 sec.
what is the range of shelf life on sealants materials? a. 3 to 6 months b. 6 to 12 months c. 18 to 36 months d. indefinitely
c. 18 to 36 months
What is the ratio of breaths to compressions for an adult victim when CPR is performed? a. 1 breath/5 compressions b. 2 breaths/7 compressions c. 2 breaths/30 compressions d. 3 breaths/20 compressions
c. 2 breaths/30 compressions
Dental instruments used in general dentistry are divided into ______ categories of restorative procedures. a. 2 b. 3 c. 4 d. 5
c. 4
motions are categorized into ______ categories dependent upon the extent of the motion and the nature of the movement. a. 3 b. 4 c. 5
c. 5
What agency regulates the registration of disinfectants and chemical sterilant used in dentistry? a. FDA b. CDC c. EPA d. OSHA
c. EPA
The two types of temporary sedative dressing materials are ______. a. ZOE and ZPC b. vitrebond and dycal c. IRM and cavit d. polycarboxylate and ZOE
c. IRM and cavit
what charting symbol best indicates a tooth that is not visible in the mouth? a. circle around the tooth b. outline with diagonal lines c. X through the tooth d. diagonal lines
c. X through the tooth
Once a permanent restoration is cemented in place with permanent cement the only way to remove it is with ______. a. a spoon excavator b. a chisel and mallet c. a handpiece and bur d. all of the above
c. a handpiece and bur
which of the following is an example of an OSHA required sharp with engineering injury protection? a. a cardboard needle guard added to a dental anesthetic needle. b. a butterfly needle used to administer IV sedation c. a self-sheathing needle attached to a dental anesthetic syringe d. a needle cap holder built into an instrument cassette
c. a self-sheathing needle attached to a dental anesthetic syringe.
all disinfectant should be used ______. a. on environmental surfaces. b. for hand hygiene. c. according to the manufactures directions. d. on metal instruments before heat sterilization.
c. according to the manufactures directions.
A custom temporary is made out of ____ material. a. metal b. alginate c. acrylic d. cement
c. acrylic
The "A" in the ABCD's of basic life support stands for ______. a. access b. automatic c. airway d. assess
c. airway
If epinephrine is found in the office emergency kit, it is commonly used for what purpose? a. syncope b. angina pectoris c. allergic reaction d. hyperventilation
c. allergic reaction
when working with a left-handed dentist, the instrument transfer zone is located where? a. between 2 and 4 o'clock b. between 4 and 6 o'clock c. between 5 and 8 o'clock d. between 6 and 8 o'clock
c. between 5 and 8 o'clock
Which of the following would be regulated under OSHA's hazard communication standard? a. bonding brushes b. sterile gauze c. bonding etchant d. nonsterile gauze
c. bonding etchant
The medication a patient with asthma would most commonly have with them is ______. a. nitroglycerin b. insulin c. bronchodilator d. analgesia
c. bronchodilator
What is the main effective ingredient in tooth whitening material? a. hydrogen peroxide b. sodium hypochlorite c. carbamide peroxide d. chlorhexidine
c. carbamide peroxide
A patient with which of the following medical conditions may benefit from prophylactic sublingual nitroglycerin? a. neuromuscular disorders b. endocrine disorders c. cardiovascular disorders d. pulmonary disorders
c. cardiovascular disorders
what is the proper management for work surfaces that become contaminated with blood? a. disinfect with alcohol wipes b. wipe with a dry cloth c. clean and then disinfect d. spray with water and soak
c. clean and then disinfect
All but which instrument listed is part of a basic instruments set up? a. mouth mirror b. cotton forceps c. college pliers d. explorer
c. college pliers
A drug that is prescribed to slow the clotting of blood is ______. a. aspirin b. valium c. coumadin d. monistat
c. coumadin
Which instrument is ideal for carving occlusal amalgams. a. burnisher b. half-hollenback carver c. discoid-cleoid carver d. beavertail burnisher
c. discoid-cleoid carver
Which would be an example of an anabiotic? a. aspirin b. codeine c. erythromycin d. meperidine
c. erythromycin
Obturate means to ______. a. open a pulpal canal. b. examine a pulpal canal. c. fill a pulpal canal. d. surgically remove a pulpal canal.
c. fill a pulpal canal.
______ is a surgical periodontal treatment. a. scaling b. root planning c. gingivectomy d. gingival curettage
c. gingivectomy
When putting on personal protective equipment, which item should be put on last, just before patient care begins? a. protective clothing b. protective eye wear c. gloves d. mask
c. gloves
The material commonly used for filling and endodontically treated canal is ______. a. amalgam b. composite c. gutta percha d. IRM
c. gutta percha
According to OSHA, which infection control measure is considered the most critical for reducing the transmission of microbes in the healthcare setting? a. immunization b. disinfection c. hand washing d. sterilization
c. hand washing
Which of the following viral infections can be prevented through immunization? a. recurrent herpes b. human immuno deficiency virus c. hepatitis B d. hepatitis C
c. hepatitis B
If a blood pressure reading of 142/96 is obtained on an adult, it is classified as ______. a. hypotension b. normal c. hypertension d. pre-hypertension
c. hypertension
An example of a contaminated item commonly found in the dental laboratory would be a(n) ______. a. explore b. x-ray c. impression d. high-speed handpiece
c. impression
Stains that cannot be removed from the surfaces of the teeth are _____. a. extrinsic stains b. natural stains c. intrinsic stains d. infected stains
c. intrinsic stains
According to the OSHA blood-borne pathogens standard, the contaminated sharps container should be a. leak proof on the bottom only b. puncture resident and see through c. leak proof, puncture resident and closable d. leak proof on the sides only.
c. leak proof, puncture resident and closable
Angle's classifications are used to classify and describe ______. a. natural teeth in the dentition b. types of dental caries c. malocclusion d. hand instruments
c. malocclusion
In children, which teeth are most frequently injured? a. mandibular anterior b. mandibular posterior c. maxillary anterior d. maxillary posterior
c. maxillary anterior
according to the dental board regulations, how long should sterilization monitoring records be stored? a. three years from the date the load was originally processed b. one week after the load was originally processed c. one year d. one year after each sterilizer involved was first monitored
c. one year
An analgesic would be prescribed for ______. a. hives b. fever c. pain relief d. fainting
c. pain relief
______ is a removable prosthesis that replaces one of several teeth. a. bridge b. denture c. partial d. custom tray
c. partial
A surgical dressing that is applied to the surgical site for protection is called a ______. a. osteoplasty b. periodontal pocket c. periodontal dressing d. ostectomy
c. periodontal dressing
What could be contraindication to a patient receiving fixed prosthodontics? a. overweight b. over the age of 60 c. poor oral hygiene d. poor personal hygiene
c. poor oral hygiene
During the instrument exchange process, the assistant hands off an instrument to the dentist so that the working end of the instrument is pointed toward the arch (maxillary or mandibular) being worked on. The term used to describe this exchange method is called: a. palm grasp b. pencil grasp c. position of use d. position of exchange
c. position of use
______ is another type of vital sign that measures the concentration of oxygen in the blood. a. systolic reading b. diastolic reading c. pulse oximetry d. electrocardiogram
c. pulse oximetry
Prior to sterilization, loose contaminated instruments are processed in an ultrasonic cleaner to ______. a. clean then disinfect b. remove all micro organisms c. removed debris and bioburden d. disinfect and clean
c. remove debris & bioburden.
The majority of the spray produced by dental handpieces consists of ______. a. lubricant b. blood c. saliva d. spatter
c. saliva
A precutaneous sharps injury refers to a _____. a. sharps injury that does not penetrate the skin b. sharps injury that does penetrate the skin but requires no reporting. c. sharps injury that does penetrate the skin and requires reporting. d. sharps injury that only remains in the body for a short time.
c. sharps injury that does penetrate the skin and requires reporting.
Which of the following best describes appropriate container for a biopsy specimen? a. reusable container that is heat sterilized after use b. reusable container that is disinfected after use c. single use leak proof container with a biohazard symbol d. single use sharps container with a biohazard symbol
c. single use leak proof container with a biohazard symbol
Which of the following can be used as both a provisional coverage for adult patients and a permanent restoration for pediatric patients? a. custom temporary b. performed temporary c. stainless steel crown d. all of the above
c. stainless steel crown
Which set of precautions is intended to prevent exposure to all body fluids? a. generic b. universal c. standard d. direct
c. standard
what is the medical term for fainting? a. stroke b. seizure c. syncope d. senile
c. syncope
what is a temporary sedative dressing or a direct provisional restoration? a. A temporary crown b. a permanent restoration c. a temporary filling d. none of the above
c. temporary filling
who legally owns a patient's dental radiographs? a. the patient b. the radiologist c. dentist d. the physician
c. the dentist
If a material notes that it is "dual cure" that means _____. a. the material needs a curing light to harden b. the material will harden during its own setting time. c. the material will enter the initial setting phase on its own but needs the curing light to complete the setting process. d. the material requires using a curing light two times to harden.
c. the material will enter the initial setting phase on its own but needs the curing light to complete the setting process.
What is the purpose of selective polishing? a. to polish only teeth that are visible b. to polish the occlusal surfaces of teeth c. to polish only teeth with stain d. to polish the facial surfaces of teeth
c. to polish only teeth with stain
If a medication were placed sublingually, where would it be placed? a. ancillary b. rectally c. under the tongue d. topically
c. under the tongue
To reduce the risk of disease transmission in the dental office, it is recommended to ______: a. use non-disposable items whenever possible b. reuse disposable items whenever possible c. use disposable items whenever possible d. use items that can only be disinfected whenever possible
c. use disposable items whenever possible.
routine handwashing for dental healthcare personnel includes the use of ______. a. water and alcohol-based hand rub. b. an alcohol-based hand rub followed by a iodine rinse. c. water and plain liquid soap. d. water and plain liquid soap followed by an alcohol-based hand rub.
c. water and plain liquid soap.
what portion of a dental instrument has a blade, point or nip? a. handle b. shank c. working end d. none of the above
c. working end
which microorganism is used to identify a disinfectant as intermediate level? a. human immunodeficiency virus b. hepatitis B virus c. herpes symplex 1 virus d. M. tuberculosis var bovis
d. M. tuberculosis var bovis
the air/water syringe is primarily used during the coronal polishing procedure to _____ a. Irritate the oral cavity. b. dry the tooth surfaces. c. encourage drying of the mucosa. d. Remove the remaining paste.
d. Remove the remaining paste.
Etchant material is ______. a. typically, electric blue in color b. 37-39% phosphoric acid. c. very bitter tasting d. all of the above
d. all of the above
If the patient experiences an asthma attack while being treated, the dental team should ______. a. remove all materials from the patient's mouth b. place the patient in an upright seated position c. hand the patient their bronchodilator. d. all of the above.
d. all of the above
The term polymerization means to ______. a. cure b. set c. harden d. all of the above
d. all of the above
What are the ways for sealant materials to harden? a. polymerization b. light-cure c. self-cure d. all of the above
d. all of the above
What oral conditions contraindicate the use of an ultrasonic scaler? a. patients with demineralization b. narrow periodontal pockets c. exposed dentin d. all of the above
d. all of the above
A base is placed ____ a. as a measure of protection for the pulp. b. because decay or trauma was close to the pulp. c. on the floor of the tooth preparation. d . all of the above.
d. all of the above.
An effective product from the office emergency kit when needing to treat a patient experiencing a fainting episode is: a. aspirin b. oxygen c. valium d. ammonia inhalant
d. ammonia inhalant
When a product is dispensed or stored in a non-original container, the item must be ______. a. appropriately tagged b. appropriately tagged and labeled c. appropriately stored with warning labels d. appropriately tagged and labeled with warnings for care and use
d. appropriately tagged and labeled with warnings for care and use
If a bronchodilator is found in the office emergency kit, it is commonly used for what purpose? a. seizures b. allergic reaction c. syncope d. asthma attack
d. asthma attack
To prevent alveolitis after a tooth extraction, the patient should be instructed to a. rinse vigorously the first 24 hours b. take aspirin for the first 24 hours c. place ice packs on the face. d. avoid drinking through a straw.
d. avoid drinking through a straw.
For a left-handed dentist, the assistant's zone is located a. between 12 and 5 o'clock b. between 5 and 8 o'clock c. between 2 and 4 o'clock d. between 8 and 10 o'clock
d. between 8 and 10 o'clock
______ is a measurement of how hard the heart must work to pump blood through the body. a. respiration rate b. pulse c. temperature d. blood pressure
d. blood pressure
According to California regulations, who is legally allowed to fabricate and cement a provisional restoration? a. dentist b. RDA c. DA d. both A & B
d. both A & B
According to California regulations, who is legally allowed to place a liner during a restorative procedure? a. Dentist b. RDA c. DA d. both A & B
d. both A & B
According to California regulations, who is legally allowed to place etchant on tooth structure for purposes of a restoration or dental sealants? a. dentist b. RDA c. DA d. both A & B
d. both A & B
According to California regulations, who is legally allowed to remove cement? a. dentist b. RDA c. DA d. both A & B
d. both A & B
The dental assistance responsibility in an emergency situation is to _____. a. recognize the symptoms and signs of a significant medical complaint. b. provide appropriate support in implementing emergency procedures. c. diagnose a specific condition or emergency situation. d. both A & B
d. both A & B
According to California regulations, who is legally allowed to place a base during a restorative procedure? a. dentist b. RDA c. DA d. both A & B
d. both A & B - dentist - RDA
Toward which direction should the polishing stroke be directed? a. toward the incisal b. toward the gingiva c. toward the occlusal d. both A & C
d. both A & C
Who can perform a dental prophylaxis? a. dentist b. dental assistant c. dental hygienist d. both A & C
d. both A & C
what patient safety precaution(s) should be considered when one is placing sealants? a. keep etchant off the soft tissue b. use only after the patient has been anesthetized c. have the patient use eye wear d. both A & C
d. both A & C
Another term for necrotic is _____. a. living. b. dead c. non-vital. d. both B & C
d. both B & C
What is a contraindication for a patient when a procedure calls for gingival retraction cord impregnated with epinephrine? a. diabetes b. epilepsy c. hypothyroidism d. cardiovascular disease
d. cardiovascular disease
The OSHA hazard communication standard is based on the premise that an employee has the right to know about the ______. a. sterilization in the office. b. Instruments in the office. c. patients in the office. d. chemicals in the office.
d. chemicals in the office
Which of the listed instruments is categorized as an examination instrument? a. gingival margin trimmer b. cement spatula c. articulating paper holder d. cotton forceps
d. cotton forceps
Which of the following is the best infection control practice for clinical contact surfaces that are difficult or impossible to clean? a. disinfecting with low-level disinfectant. b. disinfecting with high-level disinfectant. c. covering gloves with an impervious barrier. d. covering surfaces with an impervious barrier.
d. covering surfaces with an impervious barrier.
according to the board regulations, instruments, items or devices that penetrate soft tissue or bone are categorized as ______. a. multi-critical b. semi-critical c. non-critical d. critical
d. critical
Instruments with the greatest risk of transmitting infection are ______ a. semi critical instruments b. non-critical instruments c. secondary instruments d. critical instruments
d. critical instruments
What type of moisture control is recommended for root canal therapy? a. cotton pellets b. cotton rolls c. dry angles d. dental dam
d. dental dam
A single-use item reduces the risk of disease transmission because it is a. cleaned and not reused b. sterilized and reused c. disinfected and reused d. discarded and not reused
d. discarded and not reused
The primary active agent in the solution used for unsaturated chemical vapor sterilization is ______. a. water b. xylene c. alcohol d. formaldehyde
d. formaldehyde
Which technique is used by the operator to prevent injury to the patient if the operators hand or the instrument slips while in use during treatment? a. injury and illness prevention program b. work practice control c. palm grasp d. fulcrum
d. fulcrum
Similar to a hatchet, the ______ instrument has a curved blade, is not flat and the cutting end is angled. a. spoon excavator b. hoe c. chisel d. gingival margin trimmer
d. gingival margin trimmer
The portion of a dental instrument held by the operator is called ______. a. shank b. working end c. tip d. handle
d. handle.
A critical step for healthcare workers in preventing the spread of disease is proper hygiene of one's ______: a. hair b. eyes c. face d. hands
d. hands
The use of nitrous oxide and oxygen gases together is known as what? a. oral sedation b. localized anesthesia c. general anesthesia d. inhalation sedation
d. inhalation sedation
Which of the following statements most accurately defines engineering controls? a. human behavior or practices that prevent employee exposure to hazardous or infectious substances. b. evaluation of employee job performance. c. documentation of sterilization and biological monitoring. d. materials and devices that prevent employee exposure to hazardous or infectious substances.
d. materials and devices that prevent employee exposure to hazardous or infectious substances.
Which instrument is used to place and remove elastic ties and remove orthodontic separators? a. elastic separating pliers b. wax spatula c. scalpel d. orthodontic scaler
d. orthodontic scaler
When a person occludes, and mandibular anterior teeth cannot be seen, the diagnosis is a. overjet b. crossbite c. open bite d. overbite
d. overbite
Which of the below is most commonly used in a medical emergency? a. ammonia capsules b. nitroglycerin c. epinephrine d. oxygen
d. oxygen
When the dentist taps on a tooth, what diagnostic test is being performed? a. mobility b. heat c. palpation d. percussion
d. percussion
The dental specialty that deals with the diagnosis and treatment of disease of supporting tissues is ______: a. endodontics b. pediatrics c. orthodontics d. periodontics
d. periodontics
Zinc oxide and eugenol (ZOE) is what type of cement? a. permanent b. temporary c. intermediate d. permanent and temporary
d. permanent and temporary
which orthodontic instrument is used to snip off wire ligatures once they have been tied around a bracket? a. bird beak pliers b. howe plier c. ligature director d. pin and ligature cutter
d. pin and ligature cutter
To ease the placement of orthodontic bands, what procedure is completed to open contact between teeth? a. wearing of a positioner b. placement of a ligature tie c. bonding of a bracket d. placement of a separator
d. placement of a separator
The primary reason a surgical face mask must be used during a dental procedure is to ______: a. avoid the owners of various dental materials. b. protect the DHCP from respiratory infection. c. avoid the need for high-volume evacuation. d. protect the DHCP from exposure to spatter, spray or splash.
d. protect the DHCP from exposure to spatter, spray or splash
Photochemical waste is defined as ______. a. glutaraldehydes and x-ray cleaning solutions. b. sharps and broken glass. c. medications and prescriptions. d. radiographic lead foil and fixer.
d. radiographic lead foil and fixer.
A used dental anesthetic needle is an example of ______. a. non-disposable waste. b. household waste. c. general waste. d. regulated waste.
d. regulated waste
The correct steps to take when a glove rips or tears during a procedure are ______. a. wash the glove, dry the glove, and continue with procedure. b. disinfect glove, dry glove, and continue with procedure. c. remove the glove and immediately place fresh gloves. d. remove the glove, wash and dry hands, and place on new gloves.
d. remove the glove, wash and dry hands, and place on new gloves.
The purpose of dating packages of sterilized instruments is to ______. a. retrieve and sterilize packs after six months. b. document the number of sterilizer runs. c. Identify the sterilization date d. retrieve packs in the event of a sterilization failure.
d. retrieve packs in the event of a sterilization failure.
A ______ controls dental handpieces and is attached to the dental unit via hoses. a. tubing b. overhead light c. dental cart d. rheostat
d. rheostat
Which is the most common technique for stain removal? a. scaler b. toothbrush c. floss d. rubber cup polishing
d. rubber cup polishing
which non-mechanical dental hand instrument is best used to remove dental caries? a. explorer b. scaler c. chisel d. spoon excavator
d. spoon excavator
If a patient tells you how he or she is feeling, the patient is referring to a a. diagnosis b. sign c. explanation d. symptom
d. symptom
Of the common medical emergencies in a dental setting, the emergency where a patient experiences nausea, pounding heartbeat and feeling warm is ______. a. postural hypotension b. angina pectoris c. asthma attack d. syncope
d. syncope
According to Occupational Safety and Health Administration (OSHA), annual bloodborne pathogens training program should include ______. a. the trainer's background and relevant credentials. b. how the training program was created and by whom. c. relevant research documents d. the modes of disease transmission.
d. the modes of disease transmission.
by which route is a subcutaneous injection given? a. muscular b. intravenous c. nerve d. under the skin
d. under the skin
Employees must receive training regarding hazardous chemicals at what individual(s)? a. upon hire and monthly thereafter. b. upon hire and during all safety training sessions. c. upon hire and annually thereafter. d. upon hire, whenever a new hazard is introduced, and at least annually.
d. upon hire, whenever a new hazard is introduced, and at least annually.
using traditional radiographic procedures, which of the following is considered a clinical contact surface? a. bitewing tab b. x-ray film c. panoramic cassette d. x-ray control panel
d. x-ray control panel
Why are pits and fissures susceptible to caries? a. saliva pools in these areas b. fluoride is less effective in these areas c. these areas are hard to evaluate on a radiograph d. these areas are difficult to clean e. both B & D are correct
e. both B & D are correct. - fluoride is less effective in these areas - these areas are difficult to clean
what is the purpose of coronal polishing a. to remove calculus b. to remove stain and plaque c. to prepare teeth for restoration d. to remove inflamed gingiva
to remove stains and plaque
