PSC Dental Hygienist Grade II Solved Paper 2015 – Part 4

PSC Dental Hygienist Grade II Solved Paper 2015 – Part 4

Question 76:-Surgical emphysema may be caused by A:-Use of high speed air turbine handpieces with the exhaust facing the surgical side B:-Increased intraoral pressure C:-Use of hydrogen peroxide in the surgical wound D:-All the above options Correct Answer:- Option-D Question 77:-Which is the most efficient fixation technique in fracture mandible central crossing the midline region ? A:-Mono cortical compression plating B:-Bi cortical compression plating C:-Lag screw D:-Use of 3 D plates Correct Answer:- Option-B Question 78:-Which of the following is NOT a function of Zygoma ? A:-Protection of globe and associated structures B:-Origination of masseter muscle C:-Transmission of part of the masticatory forces to the cranial base D:-Insertion of the temporalis muscle Correct Answer:- Option-D Question 79:-Port wine stain is A:-Capillary hemangioma B:-Capillary malformation C:-Congenital dermal vascular ectasia D:-Option 2 and 3 Correct Answer:- Option-D Question 80:-Lincoln s highway is associated with A:-Head and neck infections B:-Spread of oral malignancy C:-Options 1 and 2 D:-None of the above. Correct Answer:- Option-A Question 81:-mercury intoxication in dental office mainly results from A:-old amalgam scraps B:-ingestion of mercury C:-inhalation of mercury vapours D:-direct contact with mercury Correct Answer:- Option-C Question 82:-cold test can be best performed using A:-dichlorodifluoro methane B:-ethylchloride spray C:-carbon dioxide snow D:-ice stick Correct Answer:- Option-C Question 83:-guttapercha is best sterilized by A:-immersion in 5.25 % sodium hypochlorite B:-immersion in alcohol C:-dry heat D:-glass bead sterilizer Correct Answer:- Option-A Question 84:-dental cement that adhere chemically to tooth structure is A:-zinc phosphate B:-resin cements C:-calcium hydroxide D:-glass ionomer cements Correct Answer:- Option-D Question 85:-the proponent of acid etching was A:-dennis smith B:-michael buonocore C:-nakabayashi D:-fusayama Correct Answer:- Option-B Question 86:-bleaching in vital teeth is done using A:-walking bleach B:-sodium perborate C:-carbamyl peroxide D:-sodium hypochlorite Correct Answer:- Option-C Question 87:-affected dentin is A:-contaminated with bacteria B:-not invaded by bacteria C:-to be removed before restoration D:-known as secondary dentin Correct Answer:- Option-B Question 88:-dental composites can be light cured by A:-QTH B:-LED C:-plasma arc D:-all of the above Correct Answer:- Option-D Question 89:-apex locators are used to A:-locate calcified canals B:-determine working length C:-to test pulp vitality D:-to locate peri apical lesions Correct Answer:- Option-B Question 90:-infected symptomatic root canals contain great numbers of A:-streptococci B:-actinomyces C:-lactobacilli D:-bacteriodes Correct Answer:- Option-C Question 91:-18-8 Stainless steel alloy contains A:-18% cobalt and 8% nickel B:-18% nickel and 8% chromium C:-18% chromium and 8% nickel D:-18% cobalt and 8% chromium Correct Answer:- Option-C Question 92:-Glass Ionomer Cement used for luting is A:-Type I B:-Type II C:-Type III D:-None of the above Correct Answer:- Option-A Question 93:-Superelasticity in certain NiTi alloys is due to phase transition from A:-Ferrite to Austenite B:-Austenite to Martensite C:-Martensite to Austenite D:-Austenite to Ferrite Correct Answer:- Option-B Question 94:-Orthodontic pliers may corrode due to A:-Steam under Pressure Sterilization B:-Dry Heat Sterilization C:-Chemical Vapour Sterilization D:-None of the above Correct Answer:- Option-A Question 95:-Titanium brackets are used in patients allergic to A:-Chromium B:-Cobalt C:-Manganese D:-Nickel Correct Answer:- Option-D Question 96:-In Glass Bead Srerilization, the heat range should not exceed A:-150°C B:-200°C C:-250°C D:-300°C Correct Answer:- Option-C Question 97:-Ideal Sterilization method for instruments that may be prone to corrosion or heat damage is A:-Dry Heat Sterilization B:-Chemical Vapour Sterilization C:-Glass Bead Sterilization D:-Ethylene oxide Sterilization Correct Answer:- Option-D Question 98:-Seperators used in fixed orthodontic appliances are A:-Passive components B:-Active components C:-Both active and passive component D:-None of the above Correct Answer:- Option-B Question 99:-During orthodontic treatment, there is proliferation of the interdental papillae.To increase the circulation and to prevent formation of pendulous fibrous areas, it is recommended to use A:-a hard rubber interdental stimulator B:-a soft rubber interdental stimulator C:-a soft multitufted tooth brush D:-a hard multitufted tooth brush Correct Answer:- Option-B Question 100:-Elgiloy orthodontic wires are also called as A:-Cobalt Chromium B:-Beta-titanium C:-Nitinol D:-Coaxial archwires Correct Answer:- Option-A PSC Dental Hygienist Grade II Solved Paper 2015 – Part 1 PSC Dental Hygienist Grade II Solved Paper 2015 – Part 2 PSC Dental Hygienist Grade II Solved Paper 2015 – Part 3 PSC Dental Hygienist Grade II Solved Paper 2015 – Part 4