MCQ
DR. AHMED AL-ARFAJ
AY 1426-1427 (2005-2006)
1. Most common malformation of head and neck region is:
a.
b.
c.
d.
cleft lip and palate*
hemangioma
preauricular cyst
malformation of ear
2. Most common type of cleft in males is:
a.
b.
c.
d.
unilateral cleft lip alone
unilateral cleft palate alone
unilateral lip and palate*
Bilateral cleft lip
3. 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:
a.
b.
c.
d.
Koplik’s spot
Fordyce’s granules*
Melanotic macule
White sponge nevus
4. 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:
a.
b.
c.
d.
geographic tongue
hairy tongue
median rhomboid glossitis*
lingual thyroid
5. In hairy tongue, there is hypertrophy of:
a.
b.
c.
d.
fungiform papillae
filiform papillae*
foliate papillae
circumvallate papillae
1
6. A patient present with an asymptomatic soft, fluctuant swelling of the angle of
mandible anterior to sternocleido-mastoid muscle which he stated to be
present since his childhood days. Regional lymph nodes are nonpalpable with
normal radiographic pictures of the area and normal blood and urine
examination. Aspiration of swelling shows yellow-brown fluid. Most
probable diagnosis in the condition is:
a.
b.
c.
d.
thyroglossal duct cyst
salivary gland tumor
branchial cleft cyst*
follicular ameloblastoma
7. Which of the following condition is characterized by generalized intestinal
polyposis with pigmentation of face and oral mucosa:
a.
b.
c.
d.
Peutz-Jeghens syndrome*
Albright syndrome
Gardner syndrome
Neurofibromatosis
8. A 25-year al patient presents with an asymptomatic doughy soft, fluctuant
swelling on lateral neck which was present for month but recently enlarged
following an upper respiratory tract infection. Most likely diagnosis of the
swelling is:
a.
b.
c.
d.
scrofula
lymphoma
cervicofacial actinomycosis
cervical lymphoepithelial cyst*
9. Most characteristic histopathologic feature of keratoacanthoma is:
a. elevation of normal epithelium towards the central portion of the lesion
with an abrupt change in normal epithelium as hyperplastic acanthotic
epithelium is reached*
b. hyperplastic squamous epithelium growing into underlying connective
tissue
c. occasional dysplastic features
d. epithelium appears to be invading into connective tissue at deep
leading margin of the tumor
10. A patient reported with an asympthomatic 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:
a.
b.
c.
d.
Leukoplasia*
Candidiasis
Erythroplakia
White sponge nevus
2
11. Site most commonly affected by basal cell carcinoma is:
a.
b.
c.
d.
buccal mucosa
skin of palm and exposed surface of arms
skin of upper back area
skin of middle third of face*
12. A patient with history of tobacco chewing presents with an asymptomatic,
exophytic papillary growth on right buccal mucosa. Histologic examination of
the lesion reveal marked epit helial proliferation without invasion into the
connective tissue and parakeratin plugging. Most probable diagnosis is:
a.
b.
c.
d.
epidermoid carcinoma
basal cell carcinoma
papilloma
verrucous carcinoma*
13. A patient present with tender swelling in the palatal area. Associated teeth
were normal. Radiographic examination of the area shows radiolucent area
with honeycomb appearance. Excessive bleeding was encountered upon
entering into the lesion. Most probable diagnosis of the lesion is:
a.
b.
c.
d.
radicular cyst
aneurysmal bone cyst*
hemorrhagic bone cyst
mid-palatal cyst
14. Skin lesions of the hereditary hemorrhagic telangiectasia are most common
on:
a.
b.
c.
d.
arms
abdomen
legs
face*
15. Characteristic hemorrhagic lesions of the hereditary hemorrhagic
telangiectasia occurs most often on
a.
b.
c.
d.
Tongue
Lips*
Gingival
Palate
16. A 70-year old patient present with small, elevated, crusted lesion on right side
of nose which he stated to be present for last several months and never quite
heals. The most likely diagnosis is:
a.
b.
c.
d.
Epidermoid carcinoma
Verrucous carcinoma
Sebaceous cyst
Basal cell carcinoma*
3
17. A patient presents with a bilateral greyish white lesion on buccal mucosa
which disappear when stretched. The most likely diagnosis is:
a.
b.
c.
d.
Lichen planus
Leukoplakia
Leukoedema*
White sponge nevus
18. All of the following diseases has been associated with Epstein-Barr virus
EXCEPT:
a.
b.
c.
d.
Burkitt’s lymphoma
Malignant mixed tumor
Oral hairy leukoplakia*
Infectious mononucleosis
19. An elderly anemic patient complains of back pain. Numerous punched out
radiolucencies are evident on skull radiograph. The patient should be
suspected of having:
a.
b.
c.
d.
Ewing’s sarcoma
Thalassaemia
Multiple myeloma*
Malignant lymphoma
20. Basal cell carcinoma frequently involves normal tissues by spreading by way
of:
a.
b.
c.
d.
lymphatics
arteries
nerve sheaths
direct invasion*
21. A benign neoplasm which appears as a non-painful slowly enlarging,
submucosal mass with overlying epithelium exhibiting pseudoepitheliomatous
hyperplasia is most likely a:
a.
b.
c.
d.
fibroma
granular cell tumor*
papilloma
keratoacanthoma
22. Examination of a child shows enlargement of left side of tongue showing
small, elevated greyish-pink nodules some of which are fluid filled with rest of
oral cavity being normal. Most likely diagnosis of the lesion is:
a.
b.
c.
d.
neurofibromatosis
lymphangioma*
granular cell myoblastoma
cystic fibrosis
4
23. Biopsy of a smooth, red, protruding lesion at lateral, border of tongue shows
stratified squamous epithelium covering loose connective tissue that contains
many thin-walled engorged, vascular space. Most likely diagnosis is:
a.
b.
c.
d.
papilloma
hemangioma*
lymphangioma
granular cell myoblastoma
24. Multiple lesions seen in patients suffering from von Recklinghaussen’s disease
of skin are:
a.
b.
c.
d.
neurofibromas*
neurolemmomas
hemangiomas
griant cell tumors
25. Most common site of occurrence of salivary gland tumors is
a.
b.
c.
d.
parotid gland*
sub-maxillary gland
sub-lingual gland
minor salivary gland
26. Primary Sjogren’s syndrome consists of keratoconjunctivitis sicca and:
a.
b.
c.
d.
Xerostomia*
Rheumatoid arthritis
SLE
Scleroderma
27. Triad of Sjogren’ syndrome consists of:
a.
b.
c.
d.
conjunctivitis, stomatitis, rheumatoid arthritis
keratoconjunctivitis, xerostomia, rherumatoid arthritis*
keratoconjunctivitis, xerostomia, osteoarthritis
conjunctivitis, stomatitis, urethritis
28. Radiographic appearance of salivary glands in Sjogren’s syndrome is
characteristically described as:
a.
b.
c.
d.
sun-ray appearance
cherry-blossom or branchless fruit laden tree appearance*
honeycomb appearance
onion-peel appearance
29. Patients affected by Sjogren’s syndrome shows increased incidence of
development of:
a.
b.
c.
d.
osteosarcoma
lymphoma*
multiple myeloma
adenocarcinoma
5
30. Majority of lymphomas developed in patients of Sjogen’s syndrome are of:
a.
b.
c.
d.
Hodgkin’s lymphoma
Burkitt’s lymphoma
Non-hodgkin lymphoma of B-cell origin*
Non-hodgkin lymphoma of T-cell origin
31. The common site of occurrence of adenoid cystic carcinoma is:
a.
b.
c.
d.
parotid gland*
palatal mucosa
upper lip
sub-mandibular gland
32. Most suggested etiology of necrotizing sialometaplasia is:
a.
b.
c.
d.
trauma
infection
ischaemia*
neoplastic changes
33. Which of the following salivary gland neoplasm is least likely to be found in
minor salivary glands
a.
b.
c.
d.
papillary cystadenoma lymphomatosum*
adenoid cycstic carcinoma
mucoepidermoid carcinoma
pleomorphic adenoma
34. A 40-year old woman reports the development of painful crater like ulcer on
mucosa of left hard palate within one week following the extraction of
maxillary left second premolar. Most likely diagnosis is:
a.
b.
c.
d.
pleomorphic adenoma
squamous cell carcinoma
necrotizing sialometaplasia*
adenoid cystic carcinoma
35. An elderly woman present with swelling of lateral aspect of left side of neck
which was present for last ten months but start increasing in size for the last
two months and is now painful. There is small ulceration of skin overlying the
mass with distortion of left facial region when patient speaks. Differential
diagnosis will include all of the following EXCEPT:
a.
b.
c.
d.
adenoid cystic carcinoma
pleomorphic adenoma*
mucoepidermoid carcinoma
malignant mixed tumor
6
36. Toxin produced by streptococci which is responsible for causing scarlet fever
is:
a.
b.
c.
d.
first day illness
second or third day of illness*
fifth to seventh day of illness
one week after appearance of other clinical signs and symptoms
37. In miliary tuberculosis, dissemination of microorganism occur usually via:
a.
b.
c.
d.
lymphatics
blood streams*
saliva
pulmonary fluid
38. A patient presents with mild fever, sore throat and ulceration of fascial pillars,
posterior pharyngeal wall and soft palate. Most likely diagnosis is:
a.
b.
c.
d.
Reiter syndrome
Herpangina*
Herpetis gingivostomatitis
Recurrent rhomboid glossitis
39. A patient on antibiotic therapy for scarlet fever develops white plaques on his
oral mucosa which when scraped with tongue blade leaves a painful bleeding
surface, most probable diagnosis is:
a.
b.
c.
d.
Blastomycosis
Candidiasis*
Herpes simplex infection
Syphilis
40. Which of the following is most opportunistic infection?
a.
b.
c.
d.
Candidiasis*
Actinomycosis
Histoplasmosis
Blastomycosis
41. “Sulfur granules” are of diagnostic value is suspected cases of:
a.
b.
c.
d.
Candidiasis
Tuberculosis
Actinomycosis*
Histoplasmosis
42. 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:
a.
b.
c.
d.
Actinomycosis
Candidiasis*
Lichen planus
Leukoplakia
7
43. Clinical diagnosis of candidiasis is confirmed by:
a. response to vitamin B12 therapy
b. demonstration of mycelia and spores on histologic examination of
scrapings*
c. sun-ray arrangement of fungal hyphae
d. presence of characteristic “sulfur granules”
44. A patient with severe mycotic infection of head and neck characterized by
triad of uncontrolled diabetes, orbital infection and meningoencephalitis most
probably has:
a.
b.
c.
d.
Candidiasis
Actinomycosis
Mucormycosis*
Histoplasmosis
45. The organism most commonly implicated as causative agents in cases of
cellulites is:
a.
b.
c.
d.
Staphylococcus sp.
Streptococcus sp.*
Neisseria sp
Pheumococcus sp.
46. A middle age patient presents swelling in the left maxillary area with mild
pain on palpation. On examination, left maxillary first molar was missing and
patient gives the history of traumatic extraction of the tooth about 10 year ago
in which one of the root was displaced in the maxillary sinus which was then
removed via Caldwell-Luc operation. Overlying skin and other teeth were
normal. X-ray examination shows a radiolucent are in left maxilla which was
separated from left maxillary sinus anatomically. Most probable diagnosis of
the condition is:
a.
b.
c.
d.
surgical ciliated cyst of maxilla*
maxillary sinusitis
carcinoma of maxillary antrum
retention cyst of maxillary sinus
47. A patient presents with swelling in neck near the angle of mandible on right
side which disappear on applying pressure to it. Intraorally a dome-shaped,
bluish swelling present in floor of mouth on right side. Most likely diagnosis
of the lesion is:
a.
b.
c.
d.
mucocele
dermoid cyst
branchial cyst
ranula*
8
48. Sialoliths are mainly composed of:
a.
b.
c.
d.
calcium phosphate*
calcium oxide
calcium carbonate
calcium suphate
49. Which of the following cells are most radioresistant?
a.
b.
c.
d.
granulocyte
muscle cell
lymphocyte
epithelial cell*
50. Which of the following tissue is mot sensitive to radiation induced
carcinogenesis?
a.
b.
c.
d.
Thyroid*
liver
salivary gland
brain
51. Craniofacial dysostosis with syndactyly is also known as:
a.
b.
c.
d.
Crouzon’s syndrome
Apert syndrome*
Treacher Collin’s syndrome
Eranceschetti syndrome
52. Triangular frontal defect, parrot’s beak nose, hypertelorism and prognathic
mandible are features of:
a.
b.
c.
d.
mandibulofacial dysostosis
craniofacial dysostosis*
Pierre Robin syndrome
Cleidocranial dysostosis
53. A female patient complains of pain in right ear radiating towards the angle of
mandible. Clicking sounds were present in right temporomandibular joint.
Results of palpation and radiographic examination are negative. The most
probable diagnosis is:
a.
b.
c.
d.
osteoarthritis
rheumatoid arthritis
myofacial pain dysfunction syndrome*
traumatic arthritis
54. Which of the following groups of lymph nodes is first to exhibit
lymphadenopathy in cases of infection monocucleous?
a.
b.
c.
d.
axillary
cervical*
inguinal
mediastinal
9
55. An early oral manifestation of infectious mononucleosis is;
a.
b.
c.
d.
palatal petechiae*
oral ulceration
inflammation of mucous membrane
edema of soft palate and uvula
56. “Philadelphia chromosome” is characteristically seen in:
a.
b.
c.
d.
acute lymphocytic leukaemia
acute monocytic leukaemia
chronic lymphocytic leukaemia
chronic myeloid leukaemia*
57. Most common form of leukaemia in children is:
a.
b.
c.
d.
acute lymphocytic leukaemia*
chronic myeloid leukaemia
acute monocytic leukaemia
chronic lymphocytic leukaemia
58. In thrombocytopenic purpura:
a.
b.
c.
d.
bleeding time is normal, clotting time is prolonged
Both bleeding and clotting time are prolonged
Bleeding time is prolonged, clotting time is normal*
Both bleeding time and clotting time are norma
59. Hemophilia A is caused to deficiency of:
a. Factor VIII*
b. Factor IX
c. Factor V
d. Factor X
60. In hemophilia A:
a. Prothrombine time (PT) is normal, plasma thromboplastin time (PTT)
is normal
b. PT is prolonged, PTT is prolonged
c. PT is normal, PTT is prolonged*
d. PT is prolonged, PTT is normal
61. 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:
a.
b.
c.
d.
infectious mononucleosis
agranulocytosis*
cyclic neutropenia
leukaemia
10
62. A patient presents with petechiae on oral mucosa with gingival bleeding.
Blood examination shows platelet count of 30,000/mm3 with increase in
bleeding time and clot retraction time, RBC, TLC are normal. Most probable
diagnosis is:
a.
b.
c.
d.
hemophilia
infectious mononucleosis
thrombocytopenic purpura*
anemia
63. A middle-aged patient complains of periodic burning of her buccal mucosa.
Oral examination shows slightly raised, linear, grayish-white plaque on buccal
mucosa. Biopsy of the lesion shows acanthosis, surface keratosis with
vacuolation of cells of basal cell layer with cellular inflammatory infiltrate
localized to subepithelial connective tissue. Most likely diagnosis is:
a.
b.
c.
d.
Lichen planus*
Leokoedema
Luekoplakia
Pemphigoid
64. Sudden development of intensely red, wheal-like lesions on oral mucosa
which progress to form thin-walled vesicles which ruptures to form ulceration
covered by yellowish-white membrane suggests a diagnosis of:
a.
b.
c.
d.
Reiter’s syndrome
Behcet’s syndrome
Erythema multiforme*
Pemphigus
65. 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:
a.
b.
c.
d.
Pemphigus
Leukoedema
Candidiasis
White sponge nevus*
66. An elderly patient complains of burning, aching pain, paresthesia, and itching
on one side of face. On examination, small white scars are seen in preauricular region. Most likely diagnosis is:
a.
b.
c.
d.
Sphenopalalatine neuralgia
Bell’s palsy
Auriculotemporal syndrome
Post-herpetic neuralgia*
11
67. Dysphagia, sore throat, pharyngeal pain which occurs due to elongated styloid
process exerting pressure on pharyngeal wall is known as:
a.
b.
c.
d.
Trotter’s syndrome
Eagle’s syndrome*
Glossopharyngeal neuralgia
Orofacial dyskinesia
68. A patient presents with an asymptomatic submucosal lump in his tongue. On
histopathologic examination, it shows cells with extremely granular
eosinophillic cytoplasm. Pseudoepitheliomatous hyperplasia was also present.
Most likely diagnosis of the lesion is:
a.
b.
c.
d.
lymphangioma
granular cell myoblastoma*
hemangioma
lingual thyroid
69. In which of the following condition, serum alkaline phosphatase levels are
increased?
a.
b.
c.
d.
Paget;s disease*
Osteogenesis imperfecta
Osteopetrosis
Cherubism
70. Diffuse white lesions are seen in the mouth of a 6-month old child who is on
antibiotic therapy for the cystic fibrosis. The white patches could be stripped
off leaving a raw, red surface. The most likely diagnosis of the condition is:
a.
b.
c.
d.
acute herpetic stomatitis
diphtheria
oral thrush*
herpangina
12