Oral medicine, oral surgery and medically compromised patients R11 Oral medicine, oral surgery and medically compromised patients | Part 4 Facebook X LinkedIn Messenger Messenger WhatsApp Telegram Print Report a question What’s wrong with this question? You cannot submit an empty report. Please add some details. 0% 123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123 Oral medicine, oral surgery and medically compromised patients R11 Oral medicine, oral surgery and medically compromised patients | Part 4 DentQuiz SDLE Mock Exam Instruction To mark a question and come back to it later, click the Bookmark icon. For the best experience, use a computer and switch to full screen button (from the top left corner). You can review and change your answers before clicking Next. 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Please fill in your details to continue NameEmailPhone Number 1 / 123 Category: Oral medicine, oral surgery and medically compromised patients 1) Kawasaki disease affects what percentage of studied populations? 5% 10% 20% 30% Kawasaki incidence is ~20% in susceptible pediatric groups. 2 / 123 Category: Oral medicine, oral surgery and medically compromised patients 2) Management for platelets <30,000: Platelet transfusion Proceed with caution Use local hemostatics Cancel all procedures <30k platelets require transfusion for invasive procedures. 3 / 123 Category: Oral medicine, oral surgery and medically compromised patients 3) Pathognomonic feature of osteomyelitis: Sequestrum Involucrum Brodie's abscess Periosteal reaction Sequestrum is necrotic bone separating from viable tissue. 4 / 123 Category: Oral medicine, oral surgery and medically compromised patients 4) Wait time before biopsying an ulcer: 7 days 10 days 14 days 21 days 14 days allows differentiation from traumatic ulcers. 5 / 123 Category: Oral medicine, oral surgery and medically compromised patients 5) Contraindication for pacemaker patients: Electrosurgery MRI Ultrasound Both 1 & 2 Electrosurgery and MRI can interfere with pacemakers. 6 / 123 Category: Oral medicine, oral surgery and medically compromised patients 6) First infection risk after mask removal: Tuberculosis COVID-19 Influenza MRSA TB is the most contagious airborne pathogen in dental settings. 7 / 123 Category: Oral medicine, oral surgery and medically compromised patients 7) Treatment for a 4mm fibrinous buccal ulcer: 0.05% betamethasone gel 0.5% acyclovir 3% benzocaine 2% metronidazole Topical steroids are first-line for minor aphthae. 8 / 123 Category: Oral medicine, oral surgery and medically compromised patients 8) LA for abscessed primary upper lateral: ASA + nasopalatine PSA + MSA Infiltration only IANB ASA and nasopalatine blocks cover anterior maxilla. 9 / 123 Category: Oral medicine, oral surgery and medically compromised patients 9) Nerve block for primary upper molars: PSA MSA ASA GP MSA block anesthetizes primary molars. 10 / 123 Category: Oral medicine, oral surgery and medically compromised patients 10) Nerves to block for subgingival anterior crowns: Nasopalatine + ASA Nasopalatine + MSA Greater palatine + ASA PSA + MSA Nasopalatine and ASA blocks cover anterior maxilla. 11 / 123 Category: Oral medicine, oral surgery and medically compromised patients 11) First action for hypoglycemia: Oral glucose IV dextrose Glucagon injection Monitor Conscious patients receive oral carbs (juice, glucose gel). 12 / 123 Category: Oral medicine, oral surgery and medically compromised patients 12) This jaw fracture is: Simple Compound Comminuted Complicated Multiple bone fragments indicate comminution. 13 / 123 Category: Oral medicine, oral surgery and medically compromised patients 13) Prickle cells are seen in: Morsicatio mucosae oris Multifocal epithelial hyperplasia Pemphigus vulgaris All of the above Both conditions show prickle cell hyperplasia. 14 / 123 Category: Oral medicine, oral surgery and medically compromised patients 14) Biopsy technique for vesiculobullous lesions: Perilesional Incisional Excisional Punch Perilesional biopsy preserves blister architecture. 15 / 123 Category: Oral medicine, oral surgery and medically compromised patients 15) Flap necrosis appears as: Black tissue White slough Yellow exudate Erythema Necrotic tissue turns black from ischemia. 16 / 123 Category: Oral medicine, oral surgery and medically compromised patients 16) How many mg in 1.8ml of 2% lidocaine? 20mg 1.8mg 36mg 3.6mg 2% = 20mg/ml; 1.8ml x 20mg/ml = 36mg. 17 / 123 Category: Oral medicine, oral surgery and medically compromised patients 17) Cecal swelling causing gagging suggests: Appendicitis Colon cancer Diverticulitis Intussusception Appendiceal inflammation can irritate the cecum. 18 / 123 Category: Oral medicine, oral surgery and medically compromised patients 18) A patient with arthritis, myalgia, and temporal pain has: Giant cell arteritis Trigeminal neuralgia Migraine TMJ disorder GCA presents with these symptoms plus possible jaw claudication. 19 / 123 Category: Oral medicine, oral surgery and medically compromised patients 19) Double vision on CT suggests: Orbital fracture Brain tumor Stroke Multiple sclerosis Blowout fractures commonly cause diplopia. 20 / 123 Category: Oral medicine, oral surgery and medically compromised patients 20) Implant breaching IAN canal causes: Buccal numbness Lingual numbness IAN distribution numbness No symptoms IAN injury leads to lower lip/chin paresthesia. 21 / 123 Category: Oral medicine, oral surgery and medically compromised patients 21) Numbness and taste loss after extraction suggests injury to: IAN and lingual nerves Buccal nerve Mental nerve Glossopharyngeal nerve Lingual nerve carries taste (anterior 2/3), IAN supplies sensation. 22 / 123 Category: Oral medicine, oral surgery and medically compromised patients 22) Most diagnostic erosion pattern in bulimia: Lingual surfaces Palatal surfaces Occlusal surfaces Cervical areas Palatal erosion of maxillary teeth is pathognomonic for vomiting. 23 / 123 Category: Oral medicine, oral surgery and medically compromised patients 23) Oral signs of bulimia include: Lingual erosion Palatal petechiae Xerostomia All of the above All are common in bulimia due to vomiting and dehydration. 24 / 123 Category: Oral medicine, oral surgery and medically compromised patients 24) Incision for fluctuant swelling should be: At the base Where pus first emerges Most fluctuant area Through bone Incise at the point of maximal fluctuation for drainage. 25 / 123 Category: Oral medicine, oral surgery and medically compromised patients 25) An 18-year-old with 6mm pockets on mesially tilted third molars needs: Extraction Periodontal therapy Antibiotics Observation Symptomatic impacted thirds with pathology require removal. 26 / 123 Category: Oral medicine, oral surgery and medically compromised patients 26) Management of post-extraction bleeding in a likely coagulopathic patient: Vitamin K Pressure pack Suturing Tranexamic acid Vitamin K reverses warfarin-induced coagulopathy. 27 / 123 Category: Oral medicine, oral surgery and medically compromised patients 27) A patient with bleeding, rash, and palatal petechiae has: Leukemia Infectious mononucleosis ITP Vitamin K deficiency ITP causes thrombocytopenic bleeding and petechiae. 28 / 123 Category: Oral medicine, oral surgery and medically compromised patients 28) Knee replacement with osteophytes indicates: Osteoarthritis Rheumatoid arthritis Gout Psoriatic arthritis Osteophytes are hallmark of osteoarthritis. 29 / 123 Category: Oral medicine, oral surgery and medically compromised patients 29) Tongue lesions in leukemia result from: Thrombocytopenia Neutropenia Anemia All of the above Neutropenic ulcers are common in leukemia patients. 30 / 123 Category: Oral medicine, oral surgery and medically compromised patients 30) Hard palate swelling with non-ulcerated mucosa and bone erosion is: Pleomorphic adenoma Mucoepidermoid carcinoma Adenoid cystic carcinoma Osteosarcoma Adenoid cystic carcinoma characteristically invades bone. 31 / 123 Category: Oral medicine, oral surgery and medically compromised patients 31) A slowly growing palatal swelling with bone erosion suggests: Pleomorphic adenoma Mucoepidermoid carcinoma Adenoid cystic carcinoma Necrotizing sialometaplasia Adenoid cystic carcinoma often erodes bone with slow growth. 32 / 123 Category: Oral medicine, oral surgery and medically compromised patients 32) Frey syndrome symptoms include: Facial sweating while eating Facial paralysis Loss of taste Dry mouth Gustatory sweating is pathognomonic for Frey syndrome. 33 / 123 Category: Oral medicine, oral surgery and medically compromised patients 33) Test reflecting 2-month glucose control: Fasting glucose Random glucose HbA1c OGTT HbA1c measures glycated hemoglobin over 8-12 weeks. 34 / 123 Category: Oral medicine, oral surgery and medically compromised patients 34) Best imaging for infraorbital ecchymosis: MRI CT Ultrasound X-ray CT shows bony orbital fractures causing raccoon eyes. 35 / 123 Category: Oral medicine, oral surgery and medically compromised patients 35) This instrument holds: Lips Tongue Cheek Gingiva Lip retractors have this distinctive shape. 36 / 123 Category: Oral medicine, oral surgery and medically compromised patients 36) This biopsy instrument is used for: Lip lesions Nasal lesions Mandibular lesions Maxillary lesions The design is optimal for lip stabilization during biopsy. 37 / 123 Category: Oral medicine, oral surgery and medically compromised patients 37) Preferred LA for liver cirrhosis: Procaine Lidocaine Bupivacaine Mepivacaine Procaine is metabolized by plasma esterases (not liver-dependent). 38 / 123 Category: Oral medicine, oral surgery and medically compromised patients 38) A hypertensive patient with aortic stenosis needs extraction. Management: No AB prophylaxis Amoxicillin 2g Clindamycin 600mg Cancel procedure AHA no longer recommends AB prophylaxis for aortic stenosis. 39 / 123 Category: Oral medicine, oral surgery and medically compromised patients 39) Pediatric amoxicillin dose (per kg): 20-40mg/kg 50-60mg/kg 70-90mg/kg 100mg/kg Standard dosing is 50mg/kg/day divided. 40 / 123 Category: Oral medicine, oral surgery and medically compromised patients 40) Maximum lidocaine dose (mg) for a 75kg patient (2% solution): 300mg 400mg 525mg 600mg 7mg/kg x 75kg = 525mg (with vasoconstrictor). 41 / 123 Category: Oral medicine, oral surgery and medically compromised patients 41) Warthin tumor characteristics: Parotid tail location Bilateral in 10% Smoking association All of the above Warthin tumors show all these features. 42 / 123 Category: Oral medicine, oral surgery and medically compromised patients 42) Parkinson’s disease features include: Tremor at rest Cogwheel rigidity Bradykinesia All of the above These are cardinal Parkinson’s symptoms. 43 / 123 Category: Oral medicine, oral surgery and medically compromised patients 43) A lesion between central incisors is: Nasopalatine duct cyst Radicular cyst Globulomaxillary cyst Median palatal cyst Nasopalatine cysts appear midline between roots. 44 / 123 Category: Oral medicine, oral surgery and medically compromised patients 44) Submentovertex view best evaluates: Zygomatic fractures Condylar fractures Mandibular body fractures Nasal fractures This projection visualizes zygomatic arch integrity. 45 / 123 Category: Oral medicine, oral surgery and medically compromised patients 45) Hutchinson’s incisors indicate: Congenital syphilis Vitamin D deficiency Fluorosis Trauma Hutchinson’s teeth are pathognomonic for congenital syphilis. 46 / 123 Category: Oral medicine, oral surgery and medically compromised patients 46) Syphilis treatment: Penicillin G Doxycycline Ceftriaxone Azithromycin Penicillin remains first-line for all syphilis stages. 47 / 123 Category: Oral medicine, oral surgery and medically compromised patients 47) Palate-nose communication suggests: Syphilitic gumma Cleft palate Trauma Necrotizing sialometaplasia Gummas cause palatal perforation in tertiary syphilis. 48 / 123 Category: Oral medicine, oral surgery and medically compromised patients 48) A 10-year-old has an unerupted central incisor due to a cyst. Treatment? Marsupialization Enucleation Extraction Observation Marsupialization preserves the tooth in children. 49 / 123 Category: Oral medicine, oral surgery and medically compromised patients 49) A hypertensive patient faints after standing. Cause? Orthostatic hypotension Vasovagal syncope Cardiac arrhythmia Hypoglycemia Rapid standing can cause postural hypotension in hypertensives. 50 / 123 Category: Oral medicine, oral surgery and medically compromised patients 50) Sympathetic nervous system causes: Vasoconstriction Bronchodilation Tachycardia All of the above Sympathetic activation produces all these effects. 51 / 123 Category: Oral medicine, oral surgery and medically compromised patients 51) Antibiotic for oroantral communication: Clindamycin Metronidazole Amoxicillin-clavulanate Penicillin V Augmentin covers sinus flora. 52 / 123 Category: Oral medicine, oral surgery and medically compromised patients 52) Management of 4mm oroantral fistula: Figure-8 suture Buccal flap Palatal flap No closure needed Small fistulae (<5mm) often heal with primary closure. 53 / 123 Category: Oral medicine, oral surgery and medically compromised patients 53) A Black patient with progressive dark lesions has: Melanoma Oral melanoacanthoma Amalgam tattoo Peutz-Jeghers syndrome Hard palate location favors melanoma diagnosis. 54 / 123 Category: Oral medicine, oral surgery and medically compromised patients 54) The image demonstrates: Homogeneous leukoplakia Nodular leukoplakia Speckled leukoplakia Ulcerative leukoplakia Uniform white plaque suggests homogeneous leukoplakia. 55 / 123 Category: Oral medicine, oral surgery and medically compromised patients 55) This lesion is: Erythroleukoplakia Erythroplakia Candidiasis Herpes Mixed red-white patches define erythroleukoplakia. 56 / 123 Category: Oral medicine, oral surgery and medically compromised patients 56) This image shows: Proliferative verrucous leukoplakia Hairy leukoplakia Verrucous carcinoma Lichen planus PVL has characteristic verrucous white plaques. 57 / 123 Category: Oral medicine, oral surgery and medically compromised patients 57) A smoker with white lower molar lesion has: Leukoplakia Candidiasis Lichen planus Hairy leukoplakia Tobacco-associated leukoplakia is most likely. 58 / 123 Category: Oral medicine, oral surgery and medically compromised patients 58) “Cotton wool” appearance suggests: Paget's disease Osteomyelitis Osteosarcoma Multiple myeloma Paget’s disease creates cotton wool-like sclerotic patches. 59 / 123 Category: Oral medicine, oral surgery and medically compromised patients 59) “Onion skin” appearance indicates: Ewing sarcoma Osteosarcoma Langerhans cell histiocytosis Metastasis Ewing sarcoma shows periosteal onion-skin layering. 60 / 123 Category: Oral medicine, oral surgery and medically compromised patients 60) “Ground glass” appearance suggests: Ossifying fibroma Osteosarcoma Osseous dysplasia Fibrous dysplasia Fibrous dysplasia shows ground glass trabeculation. 61 / 123 Category: Oral medicine, oral surgery and medically compromised patients 61) An employee had an HIV vaccine 3 years ago. What to do? Test and decide Get vaccinated No action needed Boost vaccination No effective HIV vaccine exists; testing is essential. 62 / 123 Category: Oral medicine, oral surgery and medically compromised patients 62) An intern received 2 HBV vaccine doses. Next step? Get third dose Two doses suffice Get booster Test titers The HBV vaccine requires 3 doses for full immunity. 63 / 123 Category: Oral medicine, oral surgery and medically compromised patients 63) What occurs during a panic attack? Pupil dilation Increased saliva Bradycardia Hypotension Sympathetic activation causes mydriasis. 64 / 123 Category: Oral medicine, oral surgery and medically compromised patients 64) Which marker indicates HBV immunity? HBsAg HBeAg Anti-HBc Anti-HBs Anti-HBs antibodies confirm immunity. 65 / 123 Category: Oral medicine, oral surgery and medically compromised patients 65) Best imaging for impacted canines: CBCT Occlusal radiograph Panoramic Periapical CBCT provides 3D localization (assessment), while occlusal helps 2D location. 66 / 123 Category: Oral medicine, oral surgery and medically compromised patients 66) What is the pediatric prophylactic antibiotic dose? Weight-based calculation Fixed low dose Adult dose halved Not recommended Pediatric doses are typically 50mg/kg amoxicillin. 67 / 123 Category: Oral medicine, oral surgery and medically compromised patients 67) What test diagnoses hand-foot-mouth disease? Viral culture PCR Serology All of the above Diagnosis can be made clinically or with viral studies. 68 / 123 Category: Oral medicine, oral surgery and medically compromised patients 68) A psychologically distressed patient has cheek swelling from: Cheek biting Bipolar disorder Medication side effect Infection Cheek biting is common in anxious/psychiatric patients. 69 / 123 Category: Oral medicine, oral surgery and medically compromised patients 69) A jaundiced patient risks what extraction complication? Bleeding Infection Delayed healing Dry socket Liver dysfunction impairs clotting factor production. 70 / 123 Category: Oral medicine, oral surgery and medically compromised patients 70) Which non-phenytoin antiseizure medication causes gingival enlargement? Valproic acid Carbamazepine Lamotrigine Topiramate Valproic acid can cause gingival overgrowth. 71 / 123 Category: Oral medicine, oral surgery and medically compromised patients 71) A Black boy with facial swelling and “starry sky” histology has: Burkitt lymphoma Osteosarcoma Ewing sarcoma Langerhans cell histiocytosis “Starry sky” pattern is pathognomonic for Burkitt lymphoma. 72 / 123 Category: Oral medicine, oral surgery and medically compromised patients 72) Radiolucency with sclerosis near vital lower anteriors indicates: Cemento-osseous dysplasia Chronic apical periodontitis Ossifying fibroma Osteomyelitis COD shows this radiographic pattern with vital teeth. 73 / 123 Category: Oral medicine, oral surgery and medically compromised patients 73) A Black woman has radiolucency with sclerosis in lower anteriors. Diagnosis? Fibrous dysplasia Hypercementosis Periapical cemento-osseous dysplasia Osteosarcoma Periapical COD is common in middle-aged Black women. 74 / 123 Category: Oral medicine, oral surgery and medically compromised patients 74) Radiopacity below roots in a 65-year-old suggests: Osteitis Cementoma Age-related cementum increase Condensing osteitis Cementum deposition increases with age. 75 / 123 Category: Oral medicine, oral surgery and medically compromised patients 75) A patient can’t move eyelids after IANB due to: Facial nerve anesthesia Trigeminal nerve block Hemorrhage Psychogenic reaction IANB may accidentally anesthetize the facial nerve. 76 / 123 Category: Oral medicine, oral surgery and medically compromised patients 76) Which nerve supplies the TMJ? Auriculotemporal Masseteric Buccal Lingual The auriculotemporal nerve (V3) innervates the TMJ. 77 / 123 Category: Oral medicine, oral surgery and medically compromised patients 77) The first sign of mandibular fracture is: Malocclusion Pain Swelling Numbness Malocclusion is the earliest reliable clinical sign. 78 / 123 Category: Oral medicine, oral surgery and medically compromised patients 78) What property makes chlorhexidine effective? Substantivity Rapid killing Broad spectrum Low toxicity CHX’s substantivity allows prolonged antimicrobial activity. 79 / 123 Category: Oral medicine, oral surgery and medically compromised patients 79) Which drug may cause angioedema of lips? ACE inhibitors Beta-blockers Thiazide diuretics Statins ACE inhibitor-induced angioedema is well-documented. 80 / 123 Category: Oral medicine, oral surgery and medically compromised patients 80) Which hypertension medication causes lip swelling? ACE inhibitors Beta-blockers Calcium channel blockers Diuretics ACE inhibitors can cause angioedema. 81 / 123 Category: Oral medicine, oral surgery and medically compromised patients 81) Retraction cord for hypertensive/diabetic patients contains: Aluminum chloride Epinephrine Tetrahydrozoline Phenylephrine Aluminum chloride is safer for medically compromised patients. 82 / 123 Category: Oral medicine, oral surgery and medically compromised patients 82) Management for intraoperative hypotension: Position adjustment IV fluids Oxygen administration All of the above ABCDE approach includes all these interventions. 83 / 123 Category: Oral medicine, oral surgery and medically compromised patients 83) Best chair position for nausea/dizziness: Upright Trendelenburg Semi-reclined Fully reclined Semi-reclined position reduces vertigo and nausea. 84 / 123 Category: Oral medicine, oral surgery and medically compromised patients 84) What is the recommended position for sudden hypotension? Supine Trendelenburg Semi-Fowler's Prone Trendelenburg position improves blood flow to the brain. 85 / 123 Category: Oral medicine, oral surgery and medically compromised patients 85) How to treat a dry socket without fever? Irrigation and medicated dressing Curettage Systemic antibiotics No treatment needed Dry sockets are managed with gentle irrigation and medicated dressings. 86 / 123 Category: Oral medicine, oral surgery and medically compromised patients 86) A healthy patient has a small radiolucency under the mandibular horn. What to do? Reassure and follow-up Biopsy Prescribe antibiotics Surgical exploration Asymptomatic radiolucencies may be normal variants. 87 / 123 Category: Oral medicine, oral surgery and medically compromised patients 87) A patient on clindamycin presents with abdominal pain and diarrhea. What is the cause? Pseudomembranous colitis Gastroenteritis Irritable bowel syndrome Diverticulitis Clindamycin can cause C. difficile colitis. 88 / 123 Category: Oral medicine, oral surgery and medically compromised patients 88) Yellowish spots on buccal mucosa without symptoms are: Fordyce granules Lichen planus Leukoplakia Candidiasis Fordyce granules are ectopic sebaceous glands. 89 / 123 Category: Oral medicine, oral surgery and medically compromised patients 89) A tooth with one root but a split crown is: Gemination Fusion Concrescence Dilaceration Gemination results in a single root with a bifid crown. 90 / 123 Category: Oral medicine, oral surgery and medically compromised patients 90) A 5-year-old has 3 lower incisors (one large) with two pulp chambers. What is this? Gemination Fusion Concrescence Supernumerary tooth Fusion combines two teeth into one with separate pulp chambers. 91 / 123 Category: Oral medicine, oral surgery and medically compromised patients 91) Two tooth buds, two pulps, and two roots in one tooth describes: Gemination Fusion Concrescence Taurodontism Fusion joins two separate tooth buds into one structure. 92 / 123 Category: Oral medicine, oral surgery and medically compromised patients 92) A large lower incisor with a central line and single root indicates: Gemination Fusion Concrescence Dilaceration Gemination shows a single root with divided crown. 93 / 123 Category: Oral medicine, oral surgery and medically compromised patients 93) What is shown in this X-ray? Stafne bone cyst Odontogenic cyst Periapical granuloma Residual cyst The lingual mandibular depression is characteristic of Stafne bone cyst. 94 / 123 Category: Oral medicine, oral surgery and medically compromised patients 94) How to manage a patient with BP 90/67 needing a restoration? Chair upright Chair with head below legs Monitor BP Cancel treatment Trendelenburg position (head below legs) improves cerebral perfusion in hypotension. 95 / 123 Category: Oral medicine, oral surgery and medically compromised patients 95) A patient with history of TB claims to be non-infectious. What should you do? Proceed with treatment Refer to infection clinic Defer and test for TB Use extra PPE Verification of non-infectious status is required before treatment. 96 / 123 Category: Oral medicine, oral surgery and medically compromised patients 96) How should you manage a patient with treated TB 3 years ago? Standard precautions Airborne isolation N95 mask only Refer to infectious disease Treated TB patients without symptoms require standard precautions. 97 / 123 Category: Oral medicine, oral surgery and medically compromised patients 97) An X-ray shows no lamina dura and generalized radiopacity. What is the diagnosis? Hyperparathyroidism Paget's disease Osteosclerosis Fibrous dysplasia Loss of lamina dura with radiopacity suggests hyperparathyroidism. 98 / 123 Category: Oral medicine, oral surgery and medically compromised patients 98) What is shown in this image of hyperparathyroidism? Brown tumor Odontogenic keratocyst Central giant cell granuloma Ameloblastoma Brown tumors are characteristic of hyperparathyroidism. 99 / 123 Category: Oral medicine, oral surgery and medically compromised patients 99) Which medication reverses heparin’s action? Protamine sulfate Vitamin K Idarucizumab Andexanet alfa Protamine sulfate is the specific heparin antidote. 100 / 123 Category: Oral medicine, oral surgery and medically compromised patients 100) Butterfly rash is associated with which condition? Lupus erythematosus Psoriasis Eczema Rosacea The malar (butterfly) rash is pathognomonic for lupus. 101 / 123 Category: Oral medicine, oral surgery and medically compromised patients 101) What classification is used for this vertically impacted tooth? Pell & Gregory Class I Pell & Gregory Class II Winter's Classification Archer's Classification Winter’s classification is used for angulation of impacted teeth. 102 / 123 Category: Oral medicine, oral surgery and medically compromised patients 102) Taurodontism is associated with which condition? Dentinogenesis imperfecta Amelogenesis imperfecta Enamel hypoplasia Dentin dysplasia Taurodontism is commonly seen in amelogenesis imperfecta. 103 / 123 Category: Oral medicine, oral surgery and medically compromised patients 103) A patient and mother have white tooth patches. What is the diagnosis? Fluorosis Caries Amelogenesis imperfecta Enamel hypoplasia Familial white patches suggest amelogenesis imperfecta. 104 / 123 Category: Oral medicine, oral surgery and medically compromised patients 104) Which type of dentinogenesis imperfecta has short, bulbous, hypocalcified roots? Type I Type II Type III Type IV Type I dentinogenesis imperfecta shows these root characteristics. 105 / 123 Category: Oral medicine, oral surgery and medically compromised patients 105) A patient has chipped enamel, short roots, and obliterated pulp. What is the diagnosis? Dentinogenesis imperfecta Amelogenesis imperfecta Fluorosis Hypocalcification These are classic features of dentinogenesis imperfecta. 106 / 123 Category: Oral medicine, oral surgery and medically compromised patients 106) A chemotherapy patient with WBC 4-6 and platelet pain needs: Immediate treatment Delay until next cycle Investigate in 3 days No treatment needed New lab investigations after 3 days are recommended for unstable counts. 107 / 123 Category: Oral medicine, oral surgery and medically compromised patients 107) What is the most common oral complication of chemotherapy? Mucositis Xerostomia Oral candidiasis Taste alteration Chemotherapy frequently causes mucositis due to its effects on rapidly dividing cells. 108 / 123 Category: Oral medicine, oral surgery and medically compromised patients 108) What is the minimum time required for extraction before chemotherapy? 7 days 14 days 21 days 28 days At least 14 days are needed for proper healing before chemotherapy. 109 / 123 Category: Oral medicine, oral surgery and medically compromised patients 109) What is the most likely diagnosis for a child with cleidocranial dysplasia? Rickets Cleidocranial dysplasia Osteogenesis imperfecta Achondroplasia The clinical presentation matches cleidocranial dysplasia. 110 / 123 Category: Oral medicine, oral surgery and medically compromised patients 110) A patient with a history of treated MI one year ago would be classified as which ASA class? ASA II ASA III ASA IV ASA I A history of MI within the past year typically classifies a patient as ASA III. 111 / 123 Category: Oral medicine, oral surgery and medically compromised patients 111) Which part of a mandibular fracture causes labial numbness? Body fracture Condylar fracture Angle fracture Ramus fracture Fractures in the mandibular body can damage the mental nerve, causing labial numbness. 112 / 123 Category: Oral medicine, oral surgery and medically compromised patients 112) Which spaces are involved in Ludwig’s angina? Submental-submandibular-sublingual Buccal and parotid Pterygomandibular and temporal Infratemporal and masseteric Ludwig’s angina typically involves the submental, submandibular, and sublingual spaces. 113 / 123 Category: Oral medicine, oral surgery and medically compromised patients 113) Which condition is shown in this image of gingival lesions? Lichen planus Mucus membrane pemphigoid Aphthous ulcer Herpetic gingivostomatitis The image shows characteristic features of mucus membrane pemphigoid. 114 / 123 Category: Oral medicine, oral surgery and medically compromised patients 114) What is an alternative antibiotic for a penicillin-allergic patient? Clindamycin Erythromycin Metronidazole Vancomycin Clindamycin is often used as a penicillin alternative in dental infections. 115 / 123 Category: Oral medicine, oral surgery and medically compromised patients 115) Which antibiotic is recommended for a patient allergic to penicillin? Ciprofloxacin Doxycycline Clindamycin Amoxicillin Clindamycin is a common alternative for penicillin-allergic patients. 116 / 123 Category: Oral medicine, oral surgery and medically compromised patients 116) Which drug is a beta-lactamase-resistant penicillin? Amoxicillin-clavulanate Penicillin G Cephalexin Azithromycin Amoxicillin-clavulanate (Augmentin) is resistant to beta-lactamase enzymes. 117 / 123 Category: Oral medicine, oral surgery and medically compromised patients 117) What is the primary mechanism of action of penicillin? Inhibits cell wall synthesis Disrupts cell membrane Inhibits protein synthesis Blocks DNA replication Penicillin works by inhibiting bacterial cell wall synthesis. 118 / 123 Category: Oral medicine, oral surgery and medically compromised patients 118) Which nerve is most likely affected if a dentist injures the top of the mandibular ridge? Lingual nerve Long buccal nerve Inferior alveolar nerve Mental nerve The lingual nerve runs close to the mandibular ridge and is vulnerable to injury. 119 / 123 Category: Oral medicine, oral surgery and medically compromised patients 119) What is the order of hypodontia prevalence? Third molars > second premolars > upper lateral incisors Third molars > upper lateral incisors > second premolars Second premolars > third molars > upper lateral incisors Upper lateral incisors > third molars > second premolars Third molars are most commonly missing, followed by second premolars and upper lateral incisors. 120 / 123 Category: Oral medicine, oral surgery and medically compromised patients 120) Which teeth are most commonly missing after third molars? Lower 5 Upper lateral incisors Lower incisors Upper canines Mandibular second premolars (lower 5) are the most common missing teeth after third molars. 121 / 123 Category: Oral medicine, oral surgery and medically compromised patients 121) Trauma to the left side of the mandible most commonly results in which fracture pattern? Fracture of left condyle and right body Fracture of right condyle and left body Fracture of both condyles Fracture of left body only Trauma to one side often causes contralateral condylar fracture due to force distribution. 122 / 123 Category: Oral medicine, oral surgery and medically compromised patients 122) A patient presents with gingival enlargement and inflammation. Histology shows plasma cells and macrophages but no granules. What is the likely diagnosis? Gingivostomatitis Plasma cell gingivitis Periodontal abscess Lichen planus Plasma cell gingivitis is characterized by plasma cell infiltration without granules. 123 / 123 Category: Oral medicine, oral surgery and medically compromised patients 123) Which nerve provides special innervation to the posterior 1/3 of the tongue? Glossopharyngeal nerve Hypoglossal nerve Facial nerve Trigeminal nerve The glossopharyngeal nerve (CN IX) innervates the posterior 1/3 of the tongue. 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