Year5/Oral medicine/Prof.Tuy Thel 151-216

151. The most likely complication following surgery for a patient with thrombocytopenic purpura would be

σ� hemorrhage

σ� angina

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� Moniliasis

σ� Herpetic gingivostomatitis

σ� Herpangina

σ� Pemphigus

σ� Lichen planus

153. A positive Nikolsky's sign is a diagnostic feature of

σ� pemphigus

σ� erythema multiforme

σ� lichen planus

σ� chronic marginal gingivitis

σ� lupus erythematosus

154. Which of the muscles of mastication is associated with the condylar head and the articular disc?

σ� External pterygoid

σ� Internal pterygoid

σ� Temporalis

σ� Masseter

155. A patient complains of dull, constant pain in his jaws upon awakening You would suspect

σ� bruxism

σ� chronic gingivitis

σ� sinusitis

σ� acute pulpitis

156. Geographic tongue is characterized by

σ� atrophic filiform papillae

σ� congenital deformity of tissue

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� prevent pulpitis

σ� reduce pocket formation

σ� permit eruption or elongation of teeth

σ� prevent tooth erosion

158. A patient with bruxism is likely to demonstrate

σ� All of the above

σ� TMJ discomfort

σ� premature wear of occlusal surfaces

σ� increased mobility of teeth

σ� radiographic evidence of the widening of the periodontal ligament

159. Abrasion is most commonly seen on the

σ� facial surfaces of teeth

σ� incisal edges

σ� occlusal surface of posterior teeth

σ� lingual surface of posterior teeth

160. The prolonged use of antibacterial lozenges or mouthwashes contributes to the development of

 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� parathyroid hormone

σ� insulin

σ� adrenocortical hormone

σ� thyroid hormone

σ� adrenalin

162. Enlargement of the thyroid gland can be caused by

σ� insufficient iodine

σ� excess iodine

σ� insufficient fluoride

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� plasma cell

σ� mast cell

σ� polymorphonuclear leukocyte

σ� megakaryocyte

σ� macrophage

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� prickle cell layer

σ� basal cell layer

σ� stratum corneum

σ� granular layer

168. Koilonychia is

σ� spoon-shaped (concave) nails

σ� mulberry molars

σ� ankyloglossia

σ� auricular tags

σ� bifid uvula

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� Mylohyoid

σ� Geniohyoid

σ� Stylohyoid

σ� Digastric

σ� Platysma

171. Soft, white, elevated plaques of the oral mucosa are characteristic of

σ� candidosis (candidiasis)

σ� angioma

σ� actinomycosis

σ� herpes simplex

σ� submucous fibrosis

172. Which of the following mucosae is normally keratinized?

σ� Hard palate

σ� Lateral tongue

σ� Soft palate

σ� Ventral tongue

σ� Free gingiva

173. Which of the following is the most powerful jaw-closing muscle?

σ� Masseter

σ� Lateral pterygoid

σ� Medial pterygoid

σ� Temporalis

174. Which of the following is NOT suggestive of a diagnosis of necrotizing ulcerative gingivitis (NUG)?

 Periodontal pocketing

σ� Metallic taste

σ� Bad breath

σ� “Punched-out” papillae with necrotic slough

σ� Bleeding from the gingiva

175. Adrenal corticosteroids

σ� reduce inflammation

σ� increase protein synthesis

σ� cause vasodilation

σ� increase heart rate

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� Decreased bleeding time

σ� Elevated leukocyte count

σ� Gingival enlargement

σ� Anemia

σ� Thrombocytopenia

178. Which one of the following types of pain is most likely to be

σ� Associated with muscle tenderness

σ� Keeps patient awake at night

σ� Exacerbated pain by hot or cold food

σ� associated with TMJ disorders

σ� Associated with trigger spots related to the trigeminal nerve

179. What controls the occlusion**

σ� All of the above

σ� TMJ

σ� Neuromuscular receptors

σ� Receptors in periodontal membrane

σ� Teeth

180. What is the typical feature of Lichen planus**

σ� Band of lymphocytes inflammation and hyper parakeratosis

σ� Smooth rete pegs

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� Xerostomia

σ� Hyperlaxity of the joints,

σ� Fragility of the skin and blood vessels,

σ� Hyperelasticity of the skin,

σ� Delay wound healing

182. Radiography is used to detect the following conditions EXCEPT for:

σ� Benign migratory glossitis

σ� impacted teeth

σ� Retained root tips

σ� Rarefying osteitis

σ� Cystsradiolucentradiopaque lesions

183. The following are the indications for biopsy EXCEPT for :

σ� Any lesion that regress after removal its cause

σ� Persistent hyperkeratotic changes in surface tissues

σ� Any inflammatory lesion that does not respond to local treatment after 10-14 days

σ� Any lesion that persists for more than 2 weeks with no apparent etiology

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� Complete excision

σ� Repeat biopsy

σ� Radiotherapy

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� Perform an incisional biopsy

σ� Refer patient to family physician

σ� Re-examine at 6 month interval

σ� Apply toluidine blue staining

σ� Cauterize it

186. The redness of inflamed gingiva is due to:

σ� Increase vasodilatation

σ� Subgingiva deposit

σ� The degree of keratinization

σ� Increase collagen fiber density

σ� All of the above

187. Tooth grinding ( bruxism)is due to :

σ� All of the above

σ� Stress

σ� Balancing prematurities in non working

σ� Premature contact in the retruded centric position

188. An increased heart rate may be associated with

σ� hyperthyroidism

σ� prolonged corticosteroid therapy

σ� hypothyroidism

σ� Down syndrome

189. Hypochromic anemia is associated with

σ� iron deficiency

σ� vitamin B12 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� erythrocyte

σ� eosinophils

191. A clenching habit may be a factor in

σ� increased tooth mobility

σ� marginal gingivitis

σ� suprabony periodontal pocket formation

σ� generalized recession

192. Exophthalmia may be a sign of

σ� hyperthyroidism

σ� yperadrenalism

σ� hypoadrenalism

σ� hypoparathoidism

σ� 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� linea alba buccalis

σ� leukoplakia

σ� lichen planus

σ� Verruca Vulgaris

σ� Nicotine Stomatitis

194. Odontogenic cyst develop from the following structures except

σ� Epithelium trapped after sutures of maxillary processes

σ� remnants of dental lamina epithelium entrapped within the gingiva

σ� Hertwig’s root sheath

σ� Reduced enamel epithelium of tooth crown

195. Granulation tissue which extends coronally from the pulp of a carious tooth is known as

σ� a pulp polyp

σ� a pyogenic granuloma

σ� epulis granulomatosum

σ� a fibroma

σ� a papilloma

196. Which of the following is the most common form of internal temporomandibular joint (TMJ) derangement?

σ� Anterior misalignment

σ� Osteoarthritis of the TMJ

σ� Secondary degenerative arthritis

σ� 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 third

σ� One fourth

σ� One tenth

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� click or pop

σ� Severe pain

σ� Numbness

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

σ� 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� Fordyce’s granules

σ� Koplik’s spot

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� median rhomboid glossitis

σ� hairy tongue

σ� geographic tongue

σ� lingual thyroid

202. In hairy tongue, there is hypertrophy of:

σ� filiform papillae

σ� fungiform 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:

σ� face

σ� abdomen

σ� legs

σ� arms

205. Characteristic hemorrhagic lesions of the hereditary hemorrhagic telangiectasia occurs most often on

σ� Lips

σ� Tongue

σ� 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� keratoconjunctivitis, xerostomia, rherumatoid arthritis

σ� conjunctivitis, stomatitis, rheumatoid arthritis

σ� conjunctivitis, stomatitis, urethritis

208. A patient presents with slightly painful white lesions of oral mucosa which when wiped off

σ� Candidiasis

σ� Lichen planus

σ� Actinomycosis

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?

σ� cervical

σ� axillary

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 prolonged, clotting time is normal

σ� Both bleeding time and clotting time are norma

σ� bleeding time is normal, clotting time is prolonged

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� agranulocytosis

σ� infectious mononucleosis

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:

σ� thrombocytopenic purpura

σ� hemophilia

σ� anemia

216. A patient presents with an asymptomatic white corrugated patch present bilaterally on his buccal mucosa He also reports the occurrence of same kind of lesion in his mother and younger brother Most likely diagnosis is:

σ� White sponge nevus

σ� Candidiasis

σ� Leukoedema

σ� Pemphigus

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