Oral Medicine 4
150. Difficulty in mouth opening, dysphagia, tongue stiffness and generalized induration of the skin are characteristic of
σ� lupus erythematosus
σ� scleroderma
σ� erythema multiforme
σ� lichen planus
σ� malignant disease
151. The most likely complication following surgery for a patient with thrombocytopenic purpura would be
σ� angina
σ� hemorrhage
σ� "dry socket"
σ� delayed healing
σ� infection
152. A child on antibiotic therapy would be more likely to develop which of the following diseases?
σ� Herpangina
σ� Pemphigus
σ� Moniliasis
σ� Herpetic gingivostomatitis
σ� Lichen planus
153. A positive Nikolsky's sign is a diagnostic feature of
σ� lichen planus
σ� erythema multiforme
σ� pemphigus
σ� chronic marginal gingivitis
σ� lupus erythematosus
154. Which of the muscles of mastication is associated with the condylar head and the articular disc?
Masseter
σ� Temporalis
σ� Internal pterygoid
σ� External pterygoid
155. A patient complains of dull, constant pain in his jaws upon awakening You would suspect
σ� acute pulpitis
σ� sinusitis
Bruxism
σ� chronic gingivitis
156. Geographic tongue is characterized by
σ� congenital deformity of tissue
σ� atrophic filiform papillae
σ� association with scrotal tongue
σ� predominance in elderly patients
σ� atrophic foliate papillae
157. Occlusal (night) guards are used to
σ� treat bruxism
σ� reduce pocket formation
σ� prevent pulpitis
σ� permit eruption or elongation of teeth
σ� prevent tooth erosion
158. A patient with bruxism is likely to demonstrate
σ� radiographic evidence of the widening of the periodontal ligament
σ� increased mobility of teeth
σ� premature wear of occlusal surfaces
σ� TMJ discomfort
σ� All of the above
159. Abrasion is most commonly seen on the
σ� lingual surface of posterior teeth
σ� occlusal surface of posterior teeth
σ� incisal edges
σ� facial surfaces of teeth
160. The prolonged use of antibacterial lozenges or mouthwashes contributes to the development of
σ� oral candidiasis
σ� geographic tongue
σ� fissured tongue
σ� Koplik's spots
σ� aphthous ulcers
161. A lowering of serum calcium is the stimulus for the endogenous release of
σ� thyroid hormone
σ� adrenocortical hormone
σ� insulin
σ� parathyroid hormone
σ� adrenalin
162. Enlargement of the thyroid gland can be caused by
σ� insufficient fluoride
σ� excess iodine
σ� insufficient iodine
σ� excess calcium
σ� excess sodium
163. Which of the following has the highest rate of recurrence?
σ� Odontogenic keratocyst
σ� Nasoalveolar cyst
σ� Median palatal cyst
σ� Incisive canal cyst
σ� Radicular cyst
164. Which of the following lesions has a tendency to bleed easily?
σ� Pyogenic granuloma
σ� Osteoma
σ� Fibroma
σ� Papilloma
σ� Lipoma
165. The cell concerned with antibody production is called
σ� polymorphonuclear leukocyte
σ� mast cell
σ� plasma cell
σ� macrophage
σ� megakaryocyte
166. Which of the following is a complication of prolonged systemic corticosteroid treatment?
σ� Oral candidiasis
σ� Xerostomia
σ� Aphthous stomatitis
σ� Anorexia
σ� Gingival hyperplasia
167. Acanthosis is a thickening of the following layer
σ� granular layer
σ� stratum corneum
σ� basal cell layer
σ� prickle cell layer
168. Koilonychia is
σ� bifid uvula
σ� auricular tags
σ� ankyloglossia
σ� mulberry molars
σ� spoon-shaped (concave) nails
169. Oral leukoplakia has the most favorable prognosis when it is
σ� present in a non-smoker
σ� accompanied by pain
σ� infected with Candida albicans
σ� speckled in appearance
σ� on the hard palate
170. Which muscle defines the floor of the mouth?
σ� Stylohyoid
σ� Digastric
σ� Geniohyoid
σ� Mylohyoid
Platysma
171. Soft, white, elevated plaques of the oral mucosa are characteristic of
Angioma
σ� candidosis (candidiasis)
σ� actinomycosis
σ� herpes simplex
σ� submucous fibrosis
172. Which of the following mucosae is normally keratinized?
σ� Soft palate
σ� Hard palate
σ� Lateral tongue
σ� Ventral tongue
σ� Free gingiva
173. Which of the following is the most powerful jaw-closing muscle?
σ� Temporalis
σ� Lateral pterygoid
σ� Masseter
σ� Medial pterygoid
174. Which of the following is NOT suggestive of a diagnosis of necrotizing ulcerative gingivitis (NUG)?
σ� Bleeding from the gingiva
σ� “Punched-out” papillae with necrotic slough
σ� Bad breath
σ� Metallic taste
σ� Periodontal pocketing
175. Adrenal corticosteroids
σ� increase heart rate
σ� cause vasodilation
σ� increase protein synthesis
σ� reduce inflammation
176. The characteristic oral lesion(s) of pemphigus isare
σ� vesicles and bullae
σ� Fordyce's granules
σ� white plaques
σ� hairy tongue
σ� candidiasis (candidosis)
177. Which of the following is NOT characteristic of acute leukemia?
σ� Gingival enlargement
σ� Decreased bleeding time
σ� Elevated leukocyte count
σ� Anemia
σ� Thrombocytopenia
178. Which one of the following types of pain is most likely to be
σ� associated with TMJ disorders
σ� Exacerbated pain by hot or cold food
σ� Keeps patient awake at night
σ� Associated with muscle tenderness
σ� Associated with trigger spots related to the trigeminal nerve
179. What controls the occlusion**
σ� Teeth
σ� Receptors in periodontal membrane
σ� Neuromuscular receptors
σ� TMJ
σ� All of the above
180. What is the typical feature of Lichen planus**
σ� Smooth rete pegs
σ� Band of lymphocytes inflammation and hyper parakeratosis
σ� Immunofluorescence of liquefied layer
σ� White line on the occlusion plane
σ� Red and white granulations
181. The following are sign and symptom in Ehlers-Danlos syndrome Except for:
σ� Fragility of the skin and blood vessels,
σ� Hyperlaxity of the joints,
σ� Xerostomia
σ� Hyperelasticity of the skin,
σ� Delay wound healing
182. Radiography is used to detect the following conditions EXCEPT for:
σ� impacted teeth
σ� Retained root tips
σ� Benign migratory glossitis
σ� Rarefying osteitis
σ� Cystsradiolucentradiopaque lesions
183. The following are the indications for biopsy EXCEPT for :
σ� Any lesion that persists for more than 2 weeks with no apparent etiology
σ� Any inflammatory lesion that does not respond to local treatment after 10-14 days
σ� Persistent hyperkeratotic changes in surface tissues
σ� Any lesion that regress after removal its cause
σ� Lesions that interfere with local function (egfibroma)
184. The diagnosis of a 15cm white patch after incisional biopsy is severe epithelial dysplasia The most appropriate management is :
σ� Radiotherapy
σ� Repeat biopsy
σ� Complete excision
σ� Observation
σ� All of the above
185. A 2cm discrete, white lesion of the buccal mucosa has not result after elimination of all local irritations The most appropriate management would be to:
σ� Cauterize it
σ� Apply toluidine blue staining
σ� Perform an incisional biopsy
σ� Refer patient to family physician
σ� Re-examine at 6 month interval
186. The redness of inflamed gingiva is due to:
σ� The degree of keratinization
σ� Subgingiva deposit
σ� Increase vasodilatation
σ� Increase collagen fiber density
σ� All of the above
187. Tooth grinding ( bruxism)is due to :
σ� Premature contact in the retruded centric position
σ� Balancing prematurities in non working
Stress
σ� All of the above
188. An increased heart rate may be associated with
σ� prolonged corticosteroid therapy
σ� hyperthyroidism
σ� hypothyroidism
σ� Down syndrome
189. Hypochromic anemia is associated with
σ� vitamin B12 deficiency
σ� iron deficiency
σ� aminopyrine therapy
σ� folic acid deficiency
190. A patient with multiple small bruises (purpura) most likely has a low count of T-cells
σ� platelets
σ� lymphocytes
σ� eosinophils
σ� erythrocyte
191. A clenching habit may be a factor in
σ� suprabony periodontal pocket formation
σ� marginal gingivitis
σ� increased tooth mobility
σ� generalized recession
192. Exophthalmia may be a sign of
σ� yperadrenalism
σ� hyperthyroidism
σ� hypoadrenalism
σ� hypoparathoidism
Hypothyroidism
193. A horizontal streak on the buccal mucosa at the level of the occlusal plane extending from the commissure to the posterior teeth IS CALLED
σ� lichen planus
σ� leukoplakia
σ� linea alba buccalis
σ� Verruca Vulgaris
σ� Nicotine Stomatitis
194. Odontogenic cyst develop from the following structures except
σ� Reduced enamel epithelium of tooth crown
σ� remnants of dental lamina epithelium entrapped within the gingiva
σ� Epithelium trapped after sutures of maxillary processes
σ� Hertwig’s root sheath
195. Granulation tissue which extends coronally from the pulp of a carious tooth is known as
σ� epulis granulomatosum
σ� a pulp polyp
σ� a pyogenic granuloma
σ� a fibroma
σ� a papilloma
196. Which of the following is the most common form of internal temporomandibular joint (TMJ) derangement?
σ� Osteoarthritis of the TMJ
σ� Anterior misalignment
σ� Secondary degenerative arthritis
Capsulitis
197. If at some point in the joint’s excursion, the disk returns to the head of the condyle, the derangement is said to be with reduction In what proportion of the population does TMJ derangement with reduction occur?
σ� One tenth
σ� One fourth
σ� One third
σ� One half
198. Diagnosis of TMJ disk derangement with reduction requires observation of the jaw when the mouth is opened Which of the following does the patient experience when the jaw is opened > 10 mm (measured between upper and lower incisors)?
σ� Numbness
σ� Severe pain
σ� click or pop
σ� Tinnitus
199. When initial treatments of capsulitis due to disk derangement are unsuccessful, which of the following treatments is used?
σ� Corticosteroids injected into the TMJ
Splinting
σ� Muscle relaxation
σ� Jaw rest
200. A patient presents with small yellow spots, present bilaterally on buccal mucosa opposite to posterior teeth without any other associated complaint Most probable diagnosis of the condition is:
σ� Koplik’s spot
σ� Fordyce’s granules
σ� Melanotic macule
σ� White sponge nevus
201. A patient presented with asymptomatic, smooth, circumscribed red area in midline anterior to circumvallate papillae on the dorsum of tongue with microscopic evidence of epithelial hyperplasia The most probable diagnosis of the condition is:
σ� geographic tongue
σ� hairy tongue
σ� median rhomboid glossitis
σ� lingual thyroid
200. A patient presents with small yellow spots, present bilaterally on buccal mucosa opposite to posterior teeth without any other associated complaint Most probable diagnosis of the condition is:
σ� Koplik’s spot
σ� Fordyce’s granules
σ� Melanotic macule
σ� White sponge nevus
202. In hairy tongue, there is hypertrophy of:
σ� fungiform papillae
σ� filiform papillae
σ� foliate papillae
σ� circumvallate papillae
203. A patient reported with an asymptomatic white patch on buccal mucosa which cannot be rubbed off The patch was present for the last 3 months Patient is a heavy cigarette smoker Most probable diagnosis of the lesion is:
σ� Leukoplasia
σ� Candidiasis
σ� Erythroplakia
σ� White sponge nevus
204. Skin lesions of the hereditary hemorrhagic telangiectasia are most common on:
Arms
σ� abdomen
Legs
Face
205. Characteristic hemorrhagic lesions of the hereditary hemorrhagic telangiectasia occurs most often on
Tongue
Lips
Gingival
σ� Palate
206. Primary Sjogren’s syndrome consists of keratoconjunctivitis sicca and:
σ� Xerostomia
σ� Rheumatoid arthritis
σ� SLE
σ� Scleroderma
207. Triad of Sjogren’ syndrome consists of:
σ� conjunctivitis, stomatitis, rheumatoid arthritis
σ� keratoconjunctivitis, xerostomia, rherumatoid arthritis
σ� keratoconjunctivitis, xerostomia, osteoarthritis
σ� conjunctivitis, stomatitis, urethritis
208. A patient presents with slightly painful white lesions of oral mucosa which when wiped off shows the red surface underneath The patient is on penicillin therapy for last 12 weeks The most likely diagnosis of lesion is:
σ� Actinomycosis
σ� Candidiasis
σ� Lichen planus
σ� Leukoplakia
209. Sialoliths are mainly composed of:
σ� calcium phosphate
σ� calcium oxide
σ� calcium carbonate
σ� calcium sulphate
210. Which of the following groups of lymph nodes is first to exhibit lymphadenopathy in cases of infection mononucleosis?
Axillary
σ� cervical
σ� inguinal
σ� mediastinal
211. An early oral manifestation of infectious mononucleosis is;
σ� palatal petechiae
σ� oral ulceration
σ� inflammation of mucous membrane
σ� edema of soft palate and uvula
212. Most common form of leukaemia in children is:
σ� acute lymphocytic leukaemia
σ� chronic myeloid leukaemia
σ� acute monocytic leukaemia
σ� chronic lymphocytic leukaemia
213. In thrombocytopenic purpura:
σ� bleeding time is normal, clotting time is prolonged
σ� Both bleeding and clotting time are prolonged
σ� Bleeding time is prolonged, clotting time is normal
σ� Both bleeding time and clotting time are norma
214. A patient presents with spontaneous necrotizing ulcers of oral cavity On laboratory examination, RBC count was normal but WBC count was 2,000 with lymphocytes 65% neutrophils 5%, monocytes 28%, eosinophils 2% and basophils 0% The most likely diagnosis is:
σ� infectious mononucleosis
σ� agranulocytosis
σ� cyclic neutropenia
σ� leukaemia
215. A patient presents with petechiae on oral mucosa with gingival bleeding Blood examination shows platelet count of 30,000mm3 with increase in bleeding time and clot retraction time, RBC, WBC are normal Most probable diagnosis is:
Hemophilia
σ� infectious mononucleosis
σ� thrombocytopenic purpura
σ� anemia
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