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According to the CDC which infec1on control measure is considered the most cri1cal for reducing the transmission of microbes in the health care se8ng? Hand washing In a dental se8ng the clinical supply refrigerator may be used for the preserva1on of Bonding materials A used dental anesthe1c needle is an example of Regulated waste Employees must receive training regarding hazardous chemicals at which interval? Upon hire and whenever a new hazard is introduced The OSHA Hazard Communica1on Standard is based on the premise that an employee has the right to know about Chemicals in the office Which set of precau1ons is intended to prevent exposure to all body fluids? Standard The majority of the spray produced by dental hand pieces consists of Saliva Which of the following viral infec1ons can be prevented through immuniza1on? Hepa11s B
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According to the Occupa1onal Safety and Health Administra1on (OSHAP), a bloodborne pathogens training program should include a general explana1on of The modes of disease transmission Rou1ne hand washing removes Most of the transient microbes and some of the resident microbes Which of the following greatly reduces or eliminates biofilm in the dental unit water system? Properly using chemical treatments Which of the following modes of disease transmission best describes a human bite? Parenteral The primary reason a surgical face mask must be used during a dental procedure is to Protect the DHCP from exposure to spaSer Instrument casseSes should be wrapped ATer cleaning and before steriliza1on Used radiograph fixer solu1on is usually considered Hazardous waste Which party is responsible for ensuring a Material Safety Data Sheet is available in the work place for each hazardous material? Employer Which of the following statements most accurately defines engineering controls? Materials and devices that prevent employees exposure to hazardous or infec1ous substances
When pu8ng on personal protec1ve equipment, which barrier should be put on last, just before pa1ent care begins? Gloves To prepare for steriliza1on, the high-speed hand piece and reusable air-water syringe 1p should be flushed with water ATer each pa1ent Who is responsible for the evalua1on of hazardous chemicals? Chemicals manufacturers and importers During normal use, which of the following is the most likely hazard for a den1st using a curing light? Eye exposure to the light An exposure plan must be updated Annually and when new or modified tasks are introduced Wearing a punctured gloves during pa1ent care may result in which type of microbial contact? Direct Work prac1ce controls include the use of a One-handed recapping technique Heat steriliza1on of extracted teeth may result in The vaporiza1on of mercury, presen1ng a health hazard. A person with a latent tuberculosis infec1on will Have a posi1ve skin test and no symptoms of ac1ve tuberculosis Which is the minimum temperature a steam sterilizer should reach to achieve steriliza1on? 121 degrees C Which of the following is an example of a clinical contract surface? Countertops
Which of the following is recommended to minimize the occupa1onal exposure to atmospheric nitrous oxide? Use a properly fiSed nasal pa1ent mask Who is responsible for appropriate regulated waste disposal? The genera1on facility According to the OSHA Bloodborne Pathogens Standard, each dental office must have a exposure control plan that is WriSen and reviewed at least once every year The main purpose of surgical hand an1sepsis is to To reduce the chance for contamina1on of the pa1ent if the glove become punctured or torn. According to the OSHA Bloodborne Pathogens Standard, a contaminated sharps container should be Puncture resistant and closable According to the CDC, how long should steriliza1on monitoring records be kept? As required by state and local regula1ons Which of the following would be regulated under OSHA's Hazard Communica1on Standard? Bonding etchant To limit contamina1on, single- dose injectable medica1on should be Discarded aTer each use including leTover contents What is the recommended procedure when a sterilizer fails two consecu1ve spore tests? Do not use the sterilizer un1l the reason for the failure has been determined and corrected
Using tradi1onal radiographic procedures, which of the following is considered a clinical contact surface? X-ray control panel Mechanical monitoring of the steriliza1on process should occur with Every load The primary ac1ve agent in the solu1on used for unsaturated chemical vapor steriliza1on is Formaldehyde What is the proper management for work surfaces that become contaminated with blood? Clean and disinfect Which of the following demonstrates an appropriate fill level for a sharps container? 3/4 full What agency regulates the registra1on of hospital disinfectants? EPA Which of the following is the best environmental infec1on control prac1ce for clinical contact surfaces with irregular surfaces? Covering surface with fluid impervious barriers Rou1ne hand washing for dental healthcare personnel includes the use of Water and plain soap A surgical mask should be changed ATer every pa1ent Which of the following steam autoclave se8ngs and 1mes are most effec1ve for steriliza1on of wrapped instruments? 121 degrees C (250 degrees F) and 15 psi for 30 minutes
According to OSHA, safety measures that should be taken when using bonding materials with poten1al hazards must be found in a Material Safety Data Sheet Which of the following indicators is placed inside every package of instruments prior to steriliza1on? Chemical Instruments with the greatest risk of transmi8ng infec1on are Cri1cal instruments Torn gloves should be replaced As soon as possible What are the three types of steriliza1on monitoring? Mechanical, chemical, and biological To reduce the risk of disease transmission in the dental office, it is recommended to Use disposable items whenever possible Which of the following is regulated medical waste? Biopsy 1ssue Which of the following best describes the appropriate container for a biopsy specimen? Single- leak proof container with a biohazard symbol Which of the following is recommended for managing contamina1on of digital radiographic sensors that cannot be heat sterilized? The use impervious barriers followed by cleaning and disinfec1on Which of the following is the best method for managing components of dental instruments that cannot be detached from the dental unit? Cover with impervious barriers that are changed between each pa1ent Isopropyl alochol performs best as a(n)
Once a year Which of the following is an example of an OSHA- required sharp with engineered injury protec1on? A self-sheathing needle aSached to a dental anesthe1c syringe According to the OSHA Bloodborne Pathogens Standard protec1ve eyewear must have Solid side shields One of the most important sources in preven1ng the spread of disease is proper hygiene of one's Hands While cleaning contaminated instruments, an assistant receives a percutaneous injury to the finger. The assistant should FIRST Wash hands with soap and water According to the CDC, how long should steriliza1on monitoring records be kept? As required by state and local regula1ons Prior to steriliza1on, loose contaminated instruments are processed in an ultrasonic cleaner to Remove large debris What is the length of 1me that employers must maintain Hazard Communica1on training records? Training records are not required Sharps containers in dental prac1ce se8ngs must be Replaced when items reach the marked fill-line on the container A single-use items reduces the reduces the risk of disease transmission because it is Discarded and not reused
What type of cleaning machine is used to clean contaminated instruments prior to steriliza1on? Ultrasonic Which of the following devices have been associated with dental water line biofilm? Ultrasonic scalers What is the proper method for decontamina1ng impressions before sending them to the laboratory? Clean and disinfect According to OSHA, if an exposure incident to poten1ally infec1ous materials occurs, the employer is required to document all of the following EXCEPT the Medica1on given to the source pa1ent Which of the following vaccine- preventable diseases pose the greatest risk of transmission in the dental office se8ng? Influenza What type of orthodon1cs is prac1ced when using a fixed or removable appliance that is applied to a crossbite? Intercep1ve Which of the following should be done FIRST if an adult pa1ent does not have pulse? Call for emergency assistance Elastomeric materials supplied as base and catalyst are Self-cured When assis1ng a leT-handed den1st, the assistant should hold the oral evacuator 1p with The leT hand
Composite The pa1ent record is a permanent document of whom? The pa1ent Where would a pa1ent's registra1on form be found in the dental office? In the front sec1on of the pa1ent's chart The dental history sec1on of a health history form provides the dental team with informa1on regarding Previous dental care and treatment A correctly fi8ng impression tray has sufficient depth to leave a minimum occlusal/incisal clearance of 2.0mm Which of the following is an adverse effect of peroxide-based tooth whitening procedures? Tissue irrita1on When transferring instrument with hinges such as surgical forceps and scissors, the assistant should Grasp the hinges and direct the handles to the den1st's palm When portable equipment such as curing lights and nitrous oxide machines are used, in which zone of opera1on are they placed? Sta1c zone Which of the following succedaneous teeth are the first to erupt? Mandibular incisors When a pa1ent is referred to a specialist for treatment, the assistant should Send a copy of the per1nent informa1on to the specialist Which of the following instruments is used for tac1le discovery of decay? Explorer
At the 1me of primary teeth exfolia1on, osteoclasts first cause resorp1on of Root The correct sequence of dental instruments for a class I amalgam restora1on tray based upon order of use is Excavator, condenser, burnisher, discoid-cleoid Which of the following materials would allow the longest working 1me when construc1ng a custom impression tray? Light- cured acrylic resin Which of the following is one sign of anaphylac1c shock? Respiratory distress What instrument would be used to smooth the edges of a stainless steel crown aTer adjus1ng its height? Green stone If leT untreated, plaque buildup may lead to which of the following condi1ons? Gimgivi1s Proper ergonomic posi1oning when working from the operator's loca1on includes Posi1oning the elbows close to the body To prevent alveoli1s aTer a tooth extrac1on, the pa1ent should be instructed to Avoid drinking through a straw The process of mixing cements to a primary consistency is know as Lu1ng If a blood pressure reading of 142/96 is obtained on an adult, it is classified as Hypertension Which of the following describes the best way to remain approachable to an anxious pa1ent?
The orthodon1c scaler is used for Removing excess cement or bonding material To ease the placement of orthodon1c bands, what procedure is completed to open the contact between teeth? Placement of a seperator When cemen1ng bands, what material or device can be used to prevent cement from ge8ng into the buccal tubes or aSachments? Lip balm and U1lity wax How are brackets adhered to a tooth? Bonding agent Where are auxiliary aSachments found on braces? Brackets and bands What shape of arch wire is indicated for correc1ng malaligned teeth? Rectangular wire How would an arch wire be sized for a pa1ent without placing it into the pa1ent's mouth? Study model and used arch wire Besides ligature 1es, what can be used to hold an arch wire in place? Elastomeric 1es The purpose of dental sealants is To prevent decay from pits and fissures of teeth Why are pits and fissures suscep1ble to caries? Fluoride is less effec1ve in these areas and these areas are difficult to clean Are sealants the only preventa1ve measure used? NO What are the ways for sealant materials to harden?
Polymeriza1on, light-cure, self-cure Why is clear sealant material less desirable? It is more difficult to evaluate What is the difference between filled and unfilled sealants regarding reten1on rates? No difference Sealants are placed In pits and fissures What is the range of shelf life of sealants materials? 18 to 36 months What pa1ent safety precau1ons should be considered when one is placing sealants? Keep the etchant off the soT 1ssue and Have the pa1ent wear eyewear What is the main cause of sealant failures? Moisture contamina1on What is the purpose of coronal polishing? To remove stains and plaque An oral prophylaxis includes Removal of calculus and debris What is the purpose of selec1ve polishing? To polish only teeth with stains Stains that may be removed from the surfaces of the teeth are Ectrinsic Stains that cannot be removed from the surfaces of the teeth are Intrinsic stains Which is the most common technique for stain removal? Rubber cup polishing
Come out How does the den1st stabilize a tooth aTer an injury? With a temporary splint Who in the dental office is legally required to report child abuse? All dental healthcare workers What oral condi1ons contraindicate the use of an ultrasonic scaler? Pa1ents with demineraliza1on, Narrow periodontal pockets, exposed den1n What is the more common term for dental prophylaxis? Prophy Who can perform a dental prophylaxis? Den1st and dental hygienist ________________ is a surgical periodontal treatment? Gingivectomy What drug is oTen used for the treatment of periodon11s, juvenile periodon11s, and rapidlt destruc1ve periodon11s? Tetracycline When the den1st taps on a tooth, what diagnos1c test is being performed? Percussion What type of radiograph would be exposed through the course of root canal therapy? Periapical The diagnosis of inflamed pulp 1ssue is Pulpi1s Another term for necro1c is Dead and nonvital ______ is the dental material most commonly preferred for pulp capping, Calcium Hydroxide
What por1on of the pulp would the den1st remove in a pulpotomy? Coronal por1on Obturate means to Fill a pulpal canal The irriga1on material most commonly used during root canal therapy is Diluted sodium hypochlorite The material most commonly use for filling an endodon1cally treated canal is GuSa percha What type of moisture control is recommended for a root canal therapy? Dental dam What surface of the posterior tooth would the den1st enter with a rotary bur when opening a canal for root canal therapy? Occlusal ______ is a surgical procedure that involves the removal of the apex of a root. Apicoectomy ___ is a removable prosthesis that replaces one or several teeth. Par1al How could the presence of a new prosthesis affect the flow of saliva? Increase Why is it important that an evenly contoured alveolar ridge affect the way a removable prosthesis fits? For mas1ca1on and for a beSer fit What oral habits can affect the choice of a removable prosthesis? Clenching, grinding, mouth breathing What is the metal skeleton of a par1al called? Framework A retainer on a par1al is also called a
