/214 28 Oral Pathology I Preparation (Pr. Assc. Yem Sophal) 1 / 214 1) An occluded submandibular duct can be diagnosed by: a. occlusal radiographs b. palpation c. history d. All of the above 2 / 214 2) Diagnosis of oral candidiasis (candidosis) is BEST confirmed by: a. Serological exam b. Biopsy c. Microscopic examination of smears d. Blood count 3 / 214 3) Which two of the following conditions present as complete vesicles? a. Pemphigus b. Erythema migrans c. ANUG d. Aphthous ulcer 4 / 214 4) Herpes simplex and varicella zoster are examples of a. sigma herpesviruses b. alpha herpesviruses c. delta herpesviruses d. gamma herpesviruses 5 / 214 5) Postoperative bleeding in thrombocytopenic purpura is due to a deficiency of: a. Vitamin C b. Red blood cells c. Prothrombin d. Platelets 6 / 214 6) Histopathological features of benign migratory glossitis closely resemble that of a. Lichen planus b. Systemic lupus erythematosus c. Psoriasis d. Erythema multiforme 7 / 214 7) Baelz disease is also known as? a. Cheilitis glandularis b. Cheilitis follicularis c. Keratosis follicularis d. Cheilitis granulomatosa 8 / 214 8) Which cells, secreting osteoclast activating factor are believed to be responsible for much of root and bone destruction in periapical granulomas? a. Mast cells b. Macrophages c. B lymphocytes d. T lymphocytes 9 / 214 9) The redness of inflamed gingiva is due to: a. The degree of keratinization b. Subgingiva deposit c. Increase vasodilatation d. Increase collagen fiber density 10 / 214 10) Hypertrophy គឺជា៖ a. Increase in cell number of an organ b. Decrease in size of an organ c. Increase in size of an organ d. Decrease in cell number of an organ 11 / 214 11) A patient who has been taking quantities of aspirin might show increased post-operative bleeding because aspirin inhibits: a. Synthesis of thromboxane A2 and prevents platelet aggregation b. Synthesis of prostacyclin and prevents platelet aggregation c. Thrombin and prevents formation of the fibrin network d. Synthesis of prostaglandin and prevents production of blood platelets 12 / 214 12) With regards to Herpes viruses, which of the following is FALSE? a. Common and often cause mild or asymptomatic infection in early life b. Usually establish persistent or latent infection – for life c. May cause problems in pregnancy to mother or foetus d. None are associated with malignancy 13 / 214 13) Amongst the following causes, the least probable cause of hairy tongue is a. Poor oral hygiene b. Smoking c. Radiation therapy d. Epstein-Barr virus 14 / 214 14) The redness of an inflammatory lesion of oral mucosa is due to: a. increased number of capillaries b. decreased thickness of epithelium c. increased size of capillaries d. All of the above 15 / 214 15) The site where recurrent aphthous ulcer does not commonly occur is a. Soft palate b. Labial mucosa c. Gingiva d. Tongue 16 / 214 16) Exfoliative Cheilitis: a. មានទិដ្ឋភាពដូចជាក្រម៉ៗស្អិតជាប់នៅលើបបូរមាត់ b. មានការឈឺដូចរលាកភ្លើង c. មានទិដ្ឋភាពដូចជារបកហុយដូចអង្គែនៅលើបបូរមាត់ d. មានទិដ្ឋភាពដូចជារបកៗលើអណ្តាត 17 / 214 17) Immunity is the ability of the body to resist: a. The immune system b. Immunization c. Antibiotics d. Infection 18 / 214 18) Canker sores is another name for a. Herpetic gingivostomatitis b. Shingles c. Recurrent aphthous stomatitis d. Chickenpox 19 / 214 19) អ្វីជា quinsy? : a. Peritonsillar abscess b. Tonsillar abscess c. Glaglion abscess d. Pharyngeal abscess 20 / 214 20) All of the above Which amongst the following diseases is capable of producing developmental alterations in teeth? a. Chickenpox b. Diphtheria c. Tetanus d. Syphilis 21 / 214 21) Incubation period 14-21 days. Most common in children aged 4-10 years. Rash may last 7-10 days. Lesions progress through macules and papules to vesicular eruptions which develop a crust and spontaneously heal. a. VZV b. CMV c. EBV d. HSV 22 / 214 22) ក្នុង Alphaherpesvirinae មានៈ a. Human Virus Type 7 b. Human Cytomegalovirus c. Varicella Zoster Virus d. Epstein-Barr Virus 23 / 214 23) Gingival hyperplasia may be: a. familial b. idiopathic c. All of the above d. drug induced 24 / 214 24) Intermittent painful swelling in the submandibular region that increases at mealtime is: indicative of a. a blockage of Stensen's duct b. Ludwig's angina c. a ranula d. a blockage of Wharton's duct 25 / 214 25) Herpetic whitlow is an infection of _____ with HSV 1 a. Abdomen b. Genitals c. Finger d. Conjunctiva 26 / 214 26) Hyperplasia គឺជា៖ a. Increase in cell number of an organ or tissue b. Decrease in size of an organ c. Decrease in cell number of an organ d. Increase in size of an organ or tissue 27 / 214 27) អ្វីជា Reye’s syndrome?: a. Children who take aspirin or aspirincontaining products during viral infection b. Children who take overdose of analgesics during viral infection. c. Children who take overdose of antibiotics during viral infection. d. Children who take overdose of aspirin during viral infection. 28 / 214 28) Transmission is by contact with discharge from ruptured lesions a. Human Kaposi Sarcomavirus b. Epstein-Barr virus c. Cytomegalovirus d. Herpes simplex – Types 1 & 2 29 / 214 29) Prodromal syndrome គឺជាៈ a. Syndrome ដែលកើតក្រោយការលេចចេញរោគសញ្ញាពិតប្រាកដ b. Syndrome ដែលកើតមាននៅលើប្រព័ន្ធឈាមរត់ c. Syndrome ដែលកើតមាននៅលើប្រព័ន្ធសរសៃប្រសាទ d. Syndrome ដែលកើតមុនការលេចចេញរោគសញ្ញាពិតប្រាកដ 30 / 214 30) Exfoliative cytology is of value in the diagnosis of: a. lichen planus b. herpes simplex c. erythema multiforme d. benign mucous membrane pemphigoid 31 / 214 31) Diskeratosis គឺជាៈ a. Abnormality of orientation and development of epithelial cells b. Abnormality of structure and development of epithelial cells. c. Abnormality of migration and cells mitosis. d. Abnormality of orientation and cells mitosis. 32 / 214 32) Which amongst the following skin diseases has a benign and a malignant form? a. White sponge nevus b. Lichen planus c. Acanthosis nigricans d. Warty dyskeratoma 33 / 214 33) All except one of the following conditions significantly affect the healing process? a. Beriberi b. Diabetes mellitus c. Scurvy d. Heavy doses of X-rays 34 / 214 34) How would you treat Denture Stomatitis: a. Nystatin b. Systemic penicillin c. Tetracycline d. Corticosteroid 35 / 214 35) One of the following is not a histological feature associated with herpes simplex infection a. Ballooning degeneration of cells b. Subepithelial vesicle/bulla formation c. Multinucleated giant d. Lipshütz bodies 36 / 214 36) All of the following are well documented initiating factors of hairy tongue EXCEPT: a. radiotherapy to the head and neck b. mouth rinses c. candidiasis d. antibiotics 37 / 214 37) ក្នុង Betaherpesvirinae មានៈ a. Epstein-Barr Virus b. Herpes Simplex Virus type 1 c. Varicella Zoster Virus d. Human Herpes Virus Type 6 variant A or B 38 / 214 38) Features of multiple bone radiolucencies, hypercalcemia, hypophosphatemla, and loss of lamina dura and indicative of: a. Osteitis deformans b. Hypothyroidism c. Hyperparathyroidism d. Acromegaty 39 / 214 39) Fungi, or vegetable parasites, cause contagious diseases such as: a. Tuberculosis b. Flu c. Hepatitis d. Ringworm 40 / 214 40) Cold sore គឺជា៖ a. Vesicle erupted by sun beam b. Vesicle erupted by coolness c. Vesicle erupted by stress d. Vesicle erupted by trauma 41 / 214 41) The peak incidence of gingivitis in children occurs at ages: a. 1-3 years b. 5-7 years c. 10-13 years d. 7-10 years 42 / 214 42) Member(s) of the Roseolovirus genus a. CMV b. HHV-6 & HHV-7 c. HHV-8 d. EBV 43 / 214 43) Occasionally, mucous glands are seen in the epithelial lining of a dental cyst. Which of the following terms best designates this state? (Abnormal change in the nature of the tissue): a. Neoplasia b. Dysplasia c. Metaplasia d. Anaplasia 44 / 214 44) Which virus is now believed to be the one responsible for causing Bell palsy? a. Varicella zoster b. Herpes simplex c. Cytomegalovirus d. Epstein-Barr 45 / 214 45) The blood of a patient with an acute infectious process would be expected to demonstrate: a. Leukocytosis b. Monocytosis c. Lymphocytosis d. Erythrocytosis 46 / 214 46) Prodromal syndrome នៃ Herpes Virus Infection មានៈ a. Headache and Vertigo b. Gastro-intestinal upset c. Fever and malay d. Itching, tingling or other sensations 47 / 214 47) ______ is also referred to as “Thrush? a. Chronic hyperplastic candidiasis b. Acute pseudomembranous candidiasis c. Chronic atrophic candidiasis d. Acute atrophic candidiasis 48 / 214 48) Which one of the following is a predisposing factor of Noma? a. Dentin dysplasia b. Central giant cell granuloma c. Diphtheria d. Congestive cardiac failure 49 / 214 49) Taste buds មិនមាននៅក្នុង៖ a. Filiform papillae b. Circumvallate papillae c. Foliate papillae d. Fungiform papillae 50 / 214 50) Divided into two subtypes, A & B, which infect human T-cells a. HHV-8 b. HHV-6 c. CMV d. HSV 51 / 214 51) អ្វីជា Reye’s syndrome? a. Children who take overdose of aspirin during viral infection. b. Children who take overdose of analgesics during viral infection. c. Children who take aspirin or aspirincontaining products during viral infection d. Children who take overdose of antibiotics during viral infection. 52 / 214 52) The cells most frequently found In an inflammatory inflammatory are: a. Lymphocytes b. Neutrophils c. Giant cells d. Mast cells 53 / 214 53) ក្រុម human herpes virus type 3 គឺជា a. Herpes Simplex Virus type II b. Varicella Zoster Virus c. Herpes Simplex Virus type I d. Epstein-Barr Virus 54 / 214 54) All of the following are keratinised EXCEPT of: a. Alveolar mucosa b. Attached gingiva c. Palatal epithelium d. Free gingiva 55 / 214 55) Which type of biopsy also serves as a treatment option? a. Punch biopsy b. Fine needle aspiration biopsy c. Incisional biopsy d. Excisional biopsy 56 / 214 56) Median rhomboid glossitis a. Tongue has a lesion and pus in the middle line of the tongue b. Tongue has fissures in the middle line of the tongue c. Tongue has erythema in the middle line of the tongue d. Tongue has vesicular lesions on lateral sides 57 / 214 57) What is the Meischer syndrome? a. គឺជា Cheilitis granulomatosa b. គឺជា Cheilitis at corner of the mouth c. គឺជា Cheilitis with ulcer d. គឺជា Cheilitis with pus 58 / 214 58) A patient complains of dull, constant pain in his jaws upon awakening You would suspect: a. bruxism b. chronic gingivitis c. acute pulpitis d. sinusitis 59 / 214 59) The irradiations to the head region do not cause: a. Osteoradionecrosis b. Xerostomia c. Ramsay Hunt syndrome d. Interference with tooth development 60 / 214 60) Only one level of decontamination, sterilization, is capable of killing: a. Bacterial spores b. The HIV virus c. Tuberculosis bacteria d. Both bacteria and viruses 61 / 214 61) Herpes encephalitis មានរោគសញ្ញាដូចជាៈ a. Fever, headache and vertigo b. Fever, vomit and malay c. Fever, behavioral changes and seizures d. Fever, pain in the ears and the eyes 62 / 214 62) A sign of bacterial infection is: a. A cold b. Bleeding c. Pus d. Parasites 63 / 214 63) Papillary hyperplasia under a denture is usually due to: a. Candida albican b. Ill-fitting denture c. allergy to denture material d. Bacterial infection 64 / 214 64) The tonsillar lymph node is situated at the level of: a. C6 vertebrae b. Angle of the mandible c. Jugulo-omohyoid crossing d. Jugulo-digastric crossing 65 / 214 65) Cheilitis glandularis typically occurs on the? a. Soft palate b. Lower lip c. Upper lip d. Gingiva 66 / 214 66) Which of the following is NOT associated with infectious mononucleosis? a. Petechiae of the palate b. Gingival enlargement c. Lymphadenopathy d. Pharyngitis 67 / 214 67) The Melkersson-Rosenthal syndrome is characterized by facial paralysis, Chellitis granulomatosa, and: a. Black Hairy tongue b. Geographic tongue c. White Hairy tongue d. Scrotal tongue 68 / 214 68) A normal clot retraction time, which is independent of coagulation time, Is indicative of a normal number of circulating: a. Red blood cells b. Monocytes c. Platelets d. Lymphocytes 69 / 214 69) Gonococcus Angina has symptomes: a. Diffused erythema of pharynx b. Cervical adenopathy c. Ulcerative lesions d. Diffused erythema of pharynx, Ulcerative lesions and Cervical adenopathy 70 / 214 70) White, interlacing lines (striae of Wickham) on the buccal mucosa are a characteristic clinical feature of: a. Carcinoma in situ b. Lichen planus c. Lupus Erythematous d. Leukoplakia 71 / 214 71) Pyogenic granuloma can best be classified as a ______ disease.? a. Neoplastic b. Infectious c. Autoimmune d. Reactive 72 / 214 72) Reticular atrophy of pulp is characterized by? a. Infiltration of large number of lymphocytes b. Presence of large, vacuolated spaces c. Increased calcific deposits d. Dilated blood vessels 73 / 214 73) A disease that is transmitted from one person to another by contact is said to be: a. Occupational b. Congenital c. Chronic d. Communicable 74 / 214 74) Cheilitis glandularis: a. បណ្តាលមកពី Lingual infection b. បណ្តាលមកពី lip infection c. គឺជា firm nodules ពេលយកដៃសង្កត់លើ nodules នោះ មានចេញជា mucus liquide ឬជា pus d. បណ្តាលមកពី minor gland infection 75 / 214 75) Fever blister គឺជា៖ a. Vesicle erupted by stress b. Vesicle erupted by coolness c. Vesicle erupted by trauma d. Vesicle erupted by sun beam 76 / 214 76) The HIV virus is not transmitted: a. By IV users sharing needles b. By kissing or hugging c. Through unprotected sexual contact d. Through cuts and sores 77 / 214 77) Glossodynia refers to painful a. Ears b. Nose c. Tongue d. Mouth 78 / 214 78) Contact stomatitis may be caused by: a. antibiotics b. lipstick c. dentifrice d. all of the above 79 / 214 79) In human beings, regeneration is limited to epithelium and? a. Kidney b. Brain c. Heart d. Liver 80 / 214 80) Which amongst the following is associated with etiology of Bell’s palsy? a. Gingivectomy b. Gardner syndrome c. Syphilis d. Parotidectomy 81 / 214 81) Parasites are types of: a. Pathogenic virus b. Pathogenic bacteria c. Disease d. Nonpathogenic bacteria 82 / 214 82) ក្នុង Grammaherpesvirinae មានៈ a. Epstein-Barr Virus b. Herpes Simplex Virus type 2 c. Kaposi’s sarcoma virus d. Varicella Zoster Virus 83 / 214 83) Biopsy is least useful in the diagnosis of: a. Aphthous ulcer b. Granuloma c. Geographic tongue d. Cysts 84 / 214 84) Intraoral carcinoma can not present clinically as: a. Cauliflower-like growth b. Ulcers c. Nodule d. Abscess 85 / 214 85) Uni-lateral swelling in the floor of the mouth occurs frequently with meal; what is the possible diagnosis? a. Sub-mandibular sialolith b. Mucocele c. Ranula d. Cyst 86 / 214 86) Which amongst the following is commonly associated with diabetes mellitus? a. Candidiasis b. Cardiac arrhythmia c. Actinomycosis d. Porphyria 87 / 214 87) Recurrent herpetic infection ច្រើនកើតមាននៅលើ a. Trunk b. Facial area c. Lips, gengiva and palate d. Facial area and eye erea 88 / 214 88) 12 years old child presents with symptoms of widespread gingivitis with bleeding and general malaise for several weeks. How would you manage this patient? a. Locally debride, give oral hygiene instruction and prescribe H2O2 mouth wash b. Give a prophylaxis with ultra sonic scaling c. Refer for haematological screening d. Advise for bed rest with supportive and palliative treatment 89 / 214 89) In developing plaque; the adhesive polymer produced by streptococcus mutans is synthesis from: a. Sucrose b. Glucose c. Fructose d. Lactose 90 / 214 90) Swelling related to increased tissue fluid is called: a. surgical emphysema b. hematoma c. edema d. embolism 91 / 214 91) What is strep throat? a. Strep throat is a sore throat caused by EBV b. Strep throat is a sore throat caused by VZV c. Strep throat is a sore throat caused by CMV d. Strep throat is a sore throat caused by streptococcus 92 / 214 92) An infection of the skin and occasionally pulp space of the finger caused by herpes simplex type I virus. The fingertip is reddened, swollen and acutely tender. Vesicles form which then merge to give bullae. The bullae crust over and heal over the course of about a month. It can lead to vessel thrombosis distally with avascular necrosis of the phalanx. a. Eczema Herpeticum b. Herpes Labialis c. Balanitis d. Herpetic Whitlow 93 / 214 93) Organization of the clot in an extraction wound occurs by? a. Contraction of the clot b. Blood vessels growing into the clot c. Epithelial cells growing into the clot d. Fibroblasts growing into the clot 94 / 214 94) Failure of the tuberculum impar to retract prior to fusion of the lateral halves of the tongue results In: a. DScrotal tongue b. Cleft (bifid) tongue c. Median rhomboid glossitis d. Geographic tongue 95 / 214 95) Xerostomia is often associated with atrophy of ______ papillae? a. Filiform b. Circumvallate c. Foliate d. Fungiform 96 / 214 96) Subclinical symptoms of Oral herpes គឺជា៖ a. Symptom ដែលមាននៅលើស្បែក b. Symptom ដែលមាននៅលើធ្មេញ c. Symptom ដែលមានលក្ខណៈធ្ងន់ធ្ងរ d. Symptom ដែលមានលក្ខណៈស្រាល 97 / 214 97) Plaque is considered as an infection because: a. It is devoid of any problems to teeth and mouth b. It is common to human c. Antibiotic therapy prevents or stop its formation d. Indication of bacterial activity 98 / 214 98) Metastatic calcification is most commonly seen in? a. Pulp stones b. Hyperparathyroidism c. Hyperkalemia d. Osteoporosis 99 / 214 99) The mode of transmission of VZV infection is a. Blood-borne b. Water-borne c. Air-borne d. Animal vectors 100 / 214 100) The chief complaint of patient suffering from Frey’s syndrome is a. Flushing and sweating of face during eating b. Pain in the parotid region during eating c. Pain in the tongue during swallowing d. Paroxysmal attacks of pain in face during winter season 101 / 214 101) Which drug is specific for Trigeminal Neuralgia a. Carbamazepine (Tegretol) b. Diazepam c. Phenytoin d. Ergotamine 102 / 214 102) Diseases caused by viruses include: a. Strep throat and blood poisoning b. Measles and hepatitis c. Tuberculosis and tetanus d. Abscess and boils 103 / 214 103) Which of the following is/are NOT usually affected by hereditary ectodermal dysplasia? a. Sweat glands b. Salivary glands c. Fingernails d. Teeth 104 / 214 104) Incidence is highest in preschool children. Characterised by: pain on eating and drinking, high fever, may be bleeding from gums, extensive ulceration of the tongue, palate and buccal mucosa, cervical gland enlargement, dehydration due to refusal to eat or drink. It is a contagious disease that usually regresses spontaneously within 12 to 20 days. a. Herpetic Whitlow b. Primary Herpetic Gingivostomatitis c. Herpes Labialis d. Keratitis 105 / 214 105) Inflammation of the cornea. This may result from a variety of bacterial, viral or fungal infections, or may be non-infective, for example due to trauma or associated with an auto-immune disease. a. Encephalitis b. Herpetic Whitlow c. Eczema Herpeticum d. Keratitis 106 / 214 106) What is Lemierre’s syndrome?: a. Infection causing inflammation signs b. infection in pharynx and in the chest c. The infection may spread beyond the tonsil resulting in inflammation d. Infection of the internal jugular vein giving rise to a spreading septicemia infection 107 / 214 107) Has only one serological type and causes the acute primary infection known as chickenpox and shingles a. Herpes Simplex b. Epstein-Barr Virus c. Cytomegalovirus d. Varicella Zoster Virus 108 / 214 108) Hypochromic anemia is associated with: a. iron deficiency b. aminopyrine therapy c. vitamin B12 deficiency d. folic acid deficiency 109 / 214 109) Sjogren syndrome is characterised by: a. Rheumatoid arthritis b. Dryness of the mouth c. Dryness of the eyes d. All of the above 110 / 214 110) Which one of the following is a synonym of fissured tongue? a. Scrotal tongue b. Lingua nigra c. Lingual varix d. Geographic tongue 111 / 214 111) Trauma to which gland can result in facial paralysis? a. Submandibular b. Parotid c. Sublingual d. Palatal 112 / 214 112) The disease that breaks down the body’s immune system is known as: a. Pediculosis capitis b. AIDS c. Hepatitis d. Tuberculosis 113 / 214 113) All except _____ are a variety of Kaposi sarcoma.? a. Endemic African b. Pleomorphic c. Classic d. AIDS related 114 / 214 114) Acquired Immune Deficiency Syndrome (AIDS) is caused by: a. The herpes virus b. Contaminated food c. The HIV virus d. Poor personal hygiene 115 / 214 115) An abnormal disease in the flow of Salive is called? a. Sialadenitis b. Xerostomia c. Trismus d. Salivation 116 / 214 116) Foam cells within periapical granulomas are ______ cells that have ingested lipids. a. Plasma cells b. Langerhans cells c. Polymorphonuclear leukocytes d. Macrophages 117 / 214 117) Acantholysis គឺជាៈ a. Destroying desmosome in stratum basal cells b. Destroying desmosome in stratum granulosome cells c. Destroying desmosome in stratum spinosum cells d. Swelling in intracellular space destroying desmosome in stratum spinosum cells 118 / 214 118) Paralysis of the tongue is referred to as: a. Geographic tongue b. Glossoplegia c. Macroglossia d. Ankyloglossia 119 / 214 119) Acute tonsillitis may either be caused by: a. Bacterial (50%) or viral (50%) b. Bacterial (25%) or viral (75%) c. Bacterial (75%) or viral (25%) d. Bacterial (5%) or viral (95%) 120 / 214 120) Angular cheilitis in edentulous patient with complete denture is a result of a. Mal-occlusion of dentures b. High vertical dimension c. Low vertical dimension d. Deficiency of vitamin 121 / 214 121) Trismus is most frequently caused by: a. infection b. muscular dystrophy c. mandibular fracture d. tetanus 122 / 214 122) Vesicles or bullae of the mucous membrane or skin are seen in all the following except: a. Pemphigus b. Agranulocytosis c. Herpes simplex d. Herpes zoster 123 / 214 123) The surface of the blood clot 24–48 hours after tooth extraction is covered by? a. Collagen fibers b. Epithelial cells c. Fibrin d. Prothrombin 124 / 214 124) Transmission is by droplets from upper respiratory tract lesions or contact from ruptured skin lesions a. Epstein-Barr virus b. Varicella-zoster virus c. Human Kaposi Sarcomavirus d. Cytomegalovirus 125 / 214 125) Exfoliative cytology is not indicated in which of the following lesions? a. Squamous cell carcinoma b. Pemphigus vulgaris c. Sickle cell anemia d. Fibroma 126 / 214 126) What would not cause an airway obstruction? a. Extension of the neck b. Flexion of the neck c. Laryngeal muscles paralysis d. Airway obstruction 127 / 214 127) Atrophy of the pharyngeal and gastric mucosa, kollonychias (spoon nails). and predisposition to oral carcinoma In postmenopausal women are features of: a. Pernicious anemia b. Sturge-Weber-Dimitri syndrome c. Iron deficiency anemia d. Plummer-Vinson syndrome 128 / 214 128) The stigmata of congenital syphilis does not include: a. Saber shins b. Cleft lip c. Eighth nerve deafness d. Interstitial keratitis 129 / 214 129) The so-called “split papule” an erosive lesion Involving the commissure of the lips, is actually: a. A traumatic ulcer b. A fever blister c. An aphthous ulcer d. A mucous patch 130 / 214 130) The most common malignancy found In the oral cavity is: a. Squamous cell carcinoma b. Basal cell carcinoma c. Adenocarcinoma d. Transitional cell carcinoma 131 / 214 131) The most frequent site for occurrence of tumors in minor salivary glands is? a. Palate b. Lower lip c. Buccal mucosa d. Floor of mouth 132 / 214 132) Regarding Sjogren’s syndrome, which one of the following ststements is incorrect? a. Salivary glands show presence of epimyoepithelial islands b. Most commonly occurs in males c. Elevated rheumatoid factor is found d. Primary Sjögren’s is also called as Sicca syndrome 133 / 214 133) ដូចម៉្តេច ហៅថា Seropositive?: a. មាន Antibody នៅក្នុងឈាម b. មាន Antibody នៅក្នុងកូនកណ្តុរ c. មាន Antibody នៅក្នុងថ្លើម d. មាន Antibody នៅក្នុងតម្រងនោម 134 / 214 134) ក្រោយពីមាន Primary infection ហើយ Herpes Simplex Virus បានសម្ងំលាក់ខ្លួននៅក្នុង a. Tumor b. Lymphatic ganglion c. Blood d. Nerve ganglion 135 / 214 135) The term used to describe epithelial changes including nuclear hyperchromatism, loss of increased nuclear to cytoplasmic ratio and abnormal mitoses is: a. hyperparakeratosis b. parakeratosis c. dysplasia d. hyperkeratosis 136 / 214 136) In regards to Plummer-Vincent syndrome or “Paterson and Kelly syndrome”: a. All of the above b. Iron deficiency is a feature c. Dysphagia and angular cheilitis d. Atrophic oral and gastric mucosa 137 / 214 137) A smooth, elevated, red patch devoid of filiform papillae, located in the midline of the dorsum of the tongue immediately anterior to the circumvallate papillae is indicative of: a. median rhomboid glossitis b. benign migratory glossitis c. a granular cell tumor d. iron deficiency anemia 138 / 214 138) What is Lemierre’s syndrome? a. Infection of the internal jugular vein giving rise to a spreading septicemia infection b. Infection causing inflammation signs c. D. infection in pharynx and in the chest d. The infection may spread beyond the tonsil resulting in inflammation 139 / 214 139) Which is usually found when a systemic infection is present a. Regional lymph node b. Fever c. Stomach upset d. Cellulitis 140 / 214 140) The pseudomembrane in diphtheria is mainly seen on? a. Tongue b. Trachea c. Larynx d. Tonsils 141 / 214 141) The most common benign tumor occurring In the oral cavity Is the: a. Adenoma b. Fibroma c. Hemangioma d. Papilloma 142 / 214 142) In the presence of an acute bacterial infection, laboratory tests will show an increase in: a. eosinophils b. lymphocytes c. plasma cells d. polymorphonuclear leukocytes 143 / 214 143) The excessive formation of scar tissue is called: a. Myxoma b. Keloid c. Fibroma d. Carcinoma 144 / 214 144) ក្រម human herpes virus type 5 គឺជា a. Herpes Simplex Virus type I b. Varicella Zoster Virus c. Cytomegalo Virus d. Herpes Simplex Virus type II 145 / 214 145) Osteosarcoma characteristically may develop in cases of: a. All the answers in this question b. Osteogenisis imperfecta c. Acromegaty d. Osteopetrosis and Osteitis deformans 146 / 214 146) One way in which bacteria and viruses can enter the body is through: a. Broken skin b. Dry skin c. Oily skin d. Moist skin 147 / 214 147) Healing of which region of gingiva is the slowest? a. Attached gingiva b. Interdental gingiva c. Free gingiva d. Gingival sulcus 148 / 214 148) Frey’s syndrome occurs as a result of damage to _____ nerve. a. Ophthalmic b. Auriculotemporal c. Mandibular d. Ascending pharyngeal 149 / 214 149) Nystatin is the drug of choice for: a. aphthous stomatitis b. necrotizing ulcerative gingivitis (NUG) c. candidiasis d. periodontal abscess 150 / 214 150) ដូចម៉្តេច ហៅថា Seropositive? a. មាន Antibody នៅក្នុងថ្លើម b. មាន Antibody នៅក្នុងឈាម c. មាន Antibody នៅក្នុងកូនកណ្តុរ d. មាន Antibody នៅក្នុងតម្រងនោម 151 / 214 151) Cytomegalovirus is an example of a(n) a. gamma herpesvirus b. alpha herpesvirus c. beta herpesvirus d. delta herpesvirus 152 / 214 152) A clinically similar condition called postherpetic neuralgia occurs after _________ infection. a. Herpes zoster b. Herpangina c. Chickenpox d. Herpes simplex 153 / 214 153) Erythematous candidiasis occurs most commonly as a result of? a. Sequela to course of broad spectrum antibiotics b. Immunodeficiency c. Irritation from dentures d. Genetically transmitted 154 / 214 154) Benign migratory glossitis or Geographic Tongue, manifests itself in the oral cavity as: a. A fibrinous exudate on the dorsal surface b. Irregularly outlined areas of hyperkeratosis of the dorsal surface of the tongue c. Loss (atrophy) of filiform papillae in multiple irregularly outlined areas d. Irregular area in the midline of the tongue 155 / 214 155) The prolonged use of antibacterial lozenges or mouthwashes contributes to the development of: a. oral candidiasis b. geographic tongue c. aphthous ulcers d. fissured tongue 156 / 214 156) Technical term for bacteria that live on dead matter is: a. Flagella b. Parasites c. Saprophytes d. Viruses 157 / 214 157) Bacteria that cause disease are called: a. Protozoa b. Pathogenic c. Nonpathogenic d. Saprophytes 158 / 214 158) One amongst the following statements is incorrect regarding burning mouth syndrome? a. Strong female predilection b. Burning sensation in oral mucosa in absence of visible mucosal lesions c. Patients give a short history of presence of symptoms d. Xerostomia is an important etiological factor 159 / 214 159) The one celled microorganisms also known as germs or microbes are: a. Cilia b. Fungi c. Bacteria d. Viruses 160 / 214 160) Median rhomboid glossitis occurs a. Tip of tongue b. Anterior to circumvallate papillae c. Posterior to circumvallate papillae d. Lateral border of tongue 161 / 214 161) Fissured tongue a. Tongue has erythema in the middle line of the tongue b. Tongue has fissures in the middle line of the tongue c. Tongue has fissures in lateral sides of the tongue d. Tongue has fissures on the dorsal surface of the tongue 162 / 214 162) Hyperkeratosis is: a. Increase in thickness of keratin layer or stratum corneum b. Increase in wideness of keratin layer or stratum corneum c. Increase in longevity of keratin layer or stratum corneum d. Increase in size of keratin layer or stratum corneum 163 / 214 163) ក្រោយពីមាន Primary infection ហើយ Herpes Simplex Virus បានសម្ងំលាក់ខ្លួននៅក្នុង: a. Lymphatic ganglion b. Nerve ganglion c. Tumor d. Blood 164 / 214 164) Which amongst the following is not a cause of macroglossia? a. Leukemia b. Down’s syndrome c. Lymphangioma d. Hemangioma 165 / 214 165) Geographic tongue a. Tongue has vesicular lesions b. Tongue has fissures c. Tongue has erythema d. Tongue looks like a map 166 / 214 166) A patient with pain, fever and unilateral parotid swelling following a general anesthetic most likely has: a. Mumps b. acute bacterial sialadenitis c. sialolithiasis d. Sjögren’s syndrome 167 / 214 167) Herpes witlow គឺជា herpes ដែលកើតនៅលើៈ a. ដៃ ជើង និងមាត់ b. មាត់ និងតំបន់ជុំវិញមាត់ c. ម្រាមដៃ និងដងខ្លួន d. ម្រាមដៃ 168 / 214 168) Which amongst the following cannot be used to describe a salivary duct cyst? a. Mucous duct cyst b. Mucous extravasation phenomenon c. Mucous retention cyst d. Sialocyst 169 / 214 169) Kaposi’s sarcoma is now believed to be caused by a. Cytomegalovirus b. Human herpes virus 8 c. Human papilloma virus 2 d. Herpes simplex virus 2 170 / 214 170) One of the following is not a complication ensuing from infection with C. diphtheria? a. Myocarditis b. Trigeminal neuralgia c. Otitis media d. Acute circulatory failure 171 / 214 171) The HIV virus is not transmitted: a. By kissing or hugging b. By IV users sharing needles c. Through cuts and sores d. Through unprotected sexual contact 172 / 214 172) Submandibular salivary gland is the most common location for which one of the following pathologies? a. Mucocele b. Sjögren’s syndrome c. Sialolithiasis d. Necrotizing sialometaplasia 173 / 214 173) Primary Sjogren’s syndrome consists of keratoconjunctivitis sicca and: a. Burning mouth syndrome b. Scleroderma c. Rheumatoid arthritis d. Xerostomia 174 / 214 174) Koplik’s spots are an early intraoral manifestation of: a. Varicella b. Rubella c. Variola d. Mumps 175 / 214 175) Gonococcus stomatitis has symptomes: a. Purulent gingivitis b. Diffused erythema c. Purulent gingivitis, Diffused erythema, Ulcerative lesions and Glossitis d. Ulcerative lesions and Glossitis 176 / 214 176) Purulent stomatitis caused by: a. Staphylococus and DNA Virus b. Staphylococus and Streptococus c. Staphylococus and RNA Virua d. Staphylococus and Candida 177 / 214 177) Human herpesviruses 6 and 7 are classified within this group a. gamma herpesviruses b. alpha herpesviruses c. delta herpesviruses d. beta herpesviruses 178 / 214 178) ជា Reye’s syndrome? a. Children who take aspirin or aspirin-containing products during viral infection b. Children who take overdose of analgesics during viral infection. c. Children who take overdose of aspirin during viral infection. d. Children who take overdose of antibiotics during viral infection. 179 / 214 179) Atrophy គឺជា៖ a. Acute inflammation b. Chronic inflammation c. Lack of oxygen for cells d. Lack of nutrition for cells 180 / 214 180) Occlusal (night) guards are used to: a. prevent pulpitis b. reduce pocket formation