What causes tetanus? Caused by spore-forming bacillus found in soil, dust, or animal or human faecesThis microbe is usually introduced into the body through a wound or break in the skinThe organism that causes tetanus produces the severe muscle spasms and the rigidity that gives the disease name ‘lockjaw’All answers are correctQuestion 1 of 28What is a non-infective state in microorganisms? SporeBacteriaVirusPrionsProtozoanQuestion 2 of 28What is inflammation? Protective response of the tissue to irritation or injuryThe reaction of the body to the irritation. It is a defence reaction and not actually a disease. White cells are body’s main defence mechanism hence there is always an increase of blood flow to the infected part WBCs fight against invading bacteria. Cardinal signs of inflammation are swelling, redness, heat, pain and loss of function. Pain is caused by increased pressure of blood on nerves. Affected part is unable to function properly.All answers are correctQuestion 3 of 28 From time to time, it may be necessary to share confidential information about patients without their consent, because it is in the public interest to do so. Which one of the following indicates when this circumstance does not apply and information should not be released? After the patient's deathDetection of a serious crimePrevention of a serious crimeUnder a court orderWhere the patient's health is at riskQuestion 4 of 28 One of your old high school friends attends the surgery for extraction of the upper left second molar tooth. You know her to be an intravenous drug user, but notice that she has not declared this on her medical history form. Which one of the following actions should you take? Ask your dentist to double gloveAsk your dentist to prescribe antibioticsTell her to go to another dentistTell your dentist that she may harbour blood-borne virusesTreat her as any other patientQuestion 5 of 28 Dental nurses are registered dental professionals who provide clinical and other support to registrants and patients. As a GDC registered dental nurse without additional skills, can you undertake the following if you are trained, competent and indemnified? Diagnose and treatment plan within their competencePrescribe radiographsApply topical treatments and fissure sealantsRemoving sutures after the wound has been checked by a dentistIf necessary, refer patients to other healthcare professionalsYes, you can do all on this listNo, you cannot do anything on this listQuestion 6 of 28 What is The Professional Duty of Candour? Every healthcare professional must be open and honest with patients when something goes wrong with their treatment or has the potential to cause, harm or distress.being open and honest with all patients, whether they have made a complaint or not.Be honest and act with integrity.All answers are correct.Question 7 of 28What are class III cavities?A single surface in a pit or fissure on the occlusal surface, or a buccal or lingual surfaceCavities involve mesial or distal surface of an incisor or canineCavities involve the cervical margin of any toothCavities involve mesial or distal and extended incisal edge of an incisor or canineCavities involve two or three surfaces in molars or premolarsQuestion 8 of 28Which tooth surface is this?CervicalLingualPalatalLabialIncisalBuccalMesialOcclusalDistalQuestion 9 of 28Which Class according to Black’s classification is this? IIIIIIIVVVIQuestion 10 of 28Complications may occur if Gingivitis is left untreated as it may progress into more advanced periodontal diseases which can lead to the following: Periodontal abscessesDamage to the periodontal ligamentReceding gingivaDamage to and loss of the alveolar boneMobility of teethLoss of teethNecrotizing UlcerativeAll answers are correctQuestion 11 of 28What is subgingival calculus? Calculus that forms along the gumlineCalculus that forms below the gumlineQuestion 12 of 28What are pathogenic microorganisms? A pathogen or infectious agent is a biological agent that causes disease or illness to its hostPathogen examples bacteria like Salmonella, Listeria and E. coli, and viruses such as Cryptosporidium is capable of causing illness in humansA pathogen is a microorganism that is able to penetrate the host immune defences and act as an agent of disease/infectionAll answers are correctQuestion 13 of 28Composite materials are the preferred choice when restoring anterior teeth, as their aesthetics are superior to amalgam and glass ionomer. They are usually presented as a premixed plastic material, which is light-cured to produce setting. Which one of the following is the liquid component of the unset material? ResinAluminosilicatePowdered glassQuartzSilicaQuestion 14 of 28During the restoration of a particularly deep cavity in the upper left first premolar tooth, the dentist must carefully remove the caries overlying the pulp chamber, without causing an exposure. Which one of the following instruments is used to achieve this? Spoon excavatorBall-ended burnisherEnamel chiselFlat plastic instrumentFriction grip diamond fissure burQuestion 15 of 28Calcium hydroxide cement is a widely used dental material. It can be presented as a chemical setting paste system or as a single paste light cure preparation. Which one of the following situations is one where this material would not be used? Luting cementLining a deep cavityOpen apex endodonticsPulp cappingPulpotomyQuestion 16 of 28Mercury is a liquid metal used in restorative dentistry to form amalgam. It is toxic to body tissues if inhaled, absorbed or ingested, and requires careful handling if a spillage occurs. Which one of the following is the correct action to take following a small spillage? Collect globules with damp towelCover spillage with sodium hypochloriteCollect globules into waste potReport to Health and Safety ExecutiveVacuum area thoroughlyQuestion 17 of 28Various techniques are available within the dental workplace to reduce the risk of cross-infection. Which one of the following methods reduces the risk of cross-infection to zero? Use of impermeable barriers Use of vacuum autoclaveUse of disposablesUse of washer-disinfectorZoning techniqueQuestion 18 of 28What does the warning symbol below mean? Strong magnetic fieldRadiationHigh voltageEnvironmental hazardQuestion 19 of 28What are Class F fires? Fires involving organic solids such as wood, paper, fabric and plastic.Fires involving flammable or combustible liquids including petrol, grease and oil-based paints, solvents, alcohols.Fires involving flammable gases.Fires involving combustive metals.Fires involving electrical equipment/appliances.Fires involving cooking fat and oil.Question 20 of 28What colour band will help you to identify a Water extinguisher? RedBlackBlueYellowQuestion 21 of 28What is not needed for combustion? HeatFuelOxygenSmokeQuestion 22 of 28What is the instrument below called?Ball BurnisherSpatulaUniversal curetteReamerQuestion 23 of 28What is the instrument below called?3 in 1 tipElevatorUniversal curetteHigh-speed handpieceQuestion 24 of 28What is the instrument below called?Extraction forcepsRubber dam punchStabilising forcepsElevatorQuestion 25 of 28When permanent teeth in children are traumatised, death of the pulp is not an inevitable consequence and a pulpotomy procedure can be carried out. Which one of the following is the most likely reason for using calcium hydroxide in this procedure? Seal the root canalFill the root canalMaintain pulp vitality in chamberSeal the apexSterilise the root canalQuestion 26 of 28The dentist is carrying out root canal therapy on the upper left second premolar tooth. All the caries has been removed and the dentist now needs to gain access to the root canal. Which one of the following instruments are you most likely to pass to the dentist? Gates Glidden drillBarbed broachFinger spreaderRotary paste fillerHand fileQuestion 27 of 28During root canal therapy, the dentist will use various specialised endodontic instruments to carry out each stage of the treatment. Which one of the following instruments is used to condense the filling material into the canal? Finger spreaderBarbed broachHand fileGates Glidden drillHand reamerQuestion 28 of 28 Loading...
