Oral Pathology & Medicine Mcqs - Set 4

1)   MONRO’s abscess are seen in:____________?

a. Pemphigus
b. Lichen planus
c. Leukoplakia
d. Psoriasis
Answer  Explanation 

ANSWER: Psoriasis

Explanation:
No explanation is available for this question!


2)   Nikolsky’s sign in positive in:_____________?

a. bullous pemphigus
b. eipdermolysis bullosa
c. herpes simplex
d. erythema multiforme
Answer  Explanation 

ANSWER: bullous pemphigus

Explanation:
No explanation is available for this question!


3)   Which of the following is absent in Crest syndrome

a. calcinosis cutis
b. Raynaud’s phenomenon
c. Telagietasis
d. Endocrine disorders
Answer  Explanation 

ANSWER: Endocrine disorders

Explanation:
No explanation is available for this question!


4)   Which of the following diseases of the skin is the most likely to be associated with partial anodontia?

a. erythema multiformae
b. hereditary actodermal dysplasia
c. Keratosis follicularils
d. lichen planus
Answer  Explanation 

ANSWER: hereditary actodermal dysplasia

Explanation:
No explanation is available for this question!


5)   Antinuclear antibodies are seen in:___________?

a. SLE
b. Systemic sclerosis
c. Morphea
d. All of the above
Answer  Explanation 

ANSWER: SLE

Explanation:
No explanation is available for this question!


6)   Which of the following is an oral manifestation of lichen planus?

a. Dentinogenesis imperfecta
b. Fordyce spots
c. White, chalky enamel surface
d. White radiating lines on the buccal mucosa
Answer  Explanation 

ANSWER: White radiating lines on the buccal mucosa

Explanation:
No explanation is available for this question!


7)   A twenty-one-year-old woman complains that regular, gentle brushing of her teeth is painful besides causing profuse bleeding. Oral examination reveals the loss of epithelium from the attached gingival of both arches. Which of the following dermatological problems is this patient most likely to have?

a. Benign mucous membrane pemphigiod
b. Chronic discoid lupus erythematosus
c. Pemphigus
d. Psoriasis
Answer  Explanation 

ANSWER: Benign mucous membrane pemphigiod

Explanation:
No explanation is available for this question!


8)   A flat, cricumscribed discolouration of skin or mucosa that may vary in size and shape is referred to as:____________?

a. Epulits
b. Macule
c. Nodule
d. papule
Answer  Explanation 

ANSWER: Macule

Explanation:
No explanation is available for this question!


9)   True about caries, all except:

a. Infectious and transmissible
b. Not due to microorganisms
c. Can develop in the absence of sucrose
d. Microorganisms play the most essential role
Answer  Explanation 

ANSWER: Not due to microorganisms

Explanation:
No explanation is available for this question!


10)   Plaque microflora can-split carbohydrates. What does it means?

a. Sacchrolytic
b. Saprophytic
c. Virulant
d. Avirulant
Answer  Explanation 

ANSWER: Sacchrolytic

Explanation:
No explanation is available for this question!


11)   Which of the following represents soluble polysaccharide found in dental plaque and is formed from the fructose moiety of sucrose?

a. Levan
b. Dextran
c. Amlyopecting
d. Hyaluronic acid
Answer  Explanation 

ANSWER: Levan

Explanation:
No explanation is available for this question!


12)   Progression of dental caries caries on pit and fissure occurs from:

a. Apex of the pit and fissure
b. Wide and of the pit and fissure
c. Lateral surface of the pit and fissure
d. Bottom of the pit and fissure
Answer  Explanation 

ANSWER: Lateral surface of the pit and fissure

Explanation:
No explanation is available for this question!


13)   Which of the following is cariostatic?

a. Selenium
b. Magnesium
c. Cadmium
d. Molybdenum
Answer  Explanation 

ANSWER: Molybdenum

Explanation:
No explanation is available for this question!


14)   Liquefaction foci of Miller is a histopathological observation in:

a. Cemental caries
b. Early enamel caries
c. Advanced enamel caries
d. Advanced dentinal caries
Answer  Explanation 

ANSWER: Advanced dentinal caries

Explanation:
No explanation is available for this question!


15)   Streptococcus mutans produces an adhesive polymer from sucrose, known as:__________?

a. Levans
b. Lectins
c. Glucans
d. Polyfructans
Answer  Explanation 

ANSWER: Glucans

Explanation:
No explanation is available for this question!


16)   The gelatinous deposit adherent on the tooth surface is called as:__________?

a. Materia alba
b. Plaque
c. Calculus
d. All of the above
Answer  Explanation 

ANSWER: Plaque

Explanation:
No explanation is available for this question!


17)   Most demineralised zone in enamel caries:____________?

a. Translucent zone
b. Body of lession
c. Dark zone
d. Surface zone
Answer  Explanation 

ANSWER: Body of lession

Explanation:
No explanation is available for this question!


18)   Most used selective medium for streptococcus mutans is:____________?

a. Mac conkey medium
b. Mitus salivarius bacitracin agar
c. Nutrient agar
d. Tellurite medium
Answer  Explanation 

ANSWER: Mitus salivarius bacitracin agar

Explanation:
No explanation is available for this question!


19)   The cells most frequently found in a granuloma are:___________?

a. Mast cells
b. Giant cells
c. Lymphocytes
d. Neutrophilis
Answer  Explanation 

ANSWER: Lymphocytes

Explanation:
No explanation is available for this question!


20)   Tiny linear or arc-shaped bodied, amorphous, brittle and eosinophilic in reaction found in association with some odontogenic cysts, are called:___________?

a. Civattle bodies
b. Russell bodies
c. Guarneri bodies
d. rushton bodies
Answer  Explanation 

ANSWER: rushton bodies

Explanation:
No explanation is available for this question!


21)   Low grade infection which leads to localized periosteal reaction is:____________?

a. Garre’s osteomyelitis
b. Acute osteomyelitis
c. Condensing osteitis
d. Local alveolar osteitis
Answer  Explanation 

ANSWER: Garre’s osteomyelitis

Explanation:
No explanation is available for this question!


22)   Cyst arising from rests of malassez is:___________?

a. Dental cyst
b. Dentigerous cyst
c. Radicular cyst
d. Karato cyst
Answer  Explanation 

ANSWER: Radicular cyst

Explanation:
No explanation is available for this question!


23)   The tooth most commonly involved in chronic focal sclerosing osteomyelitis is:___________?

a. Maxillary second molar
b. Maxillary third molar
c. Maxillary first molar
d. Mandibular first molar
Answer  Explanation 

ANSWER: Mandibular first molar

Explanation:
No explanation is available for this question!


24)   Three stages in progression of acute odontogenic infection are:___________?

a. Periapical osteitis, cellulitis, abscess
b. Abscess, cellulitis, osteitis, Periapical
c. cellulitis, Abscess, Periapical, osteitis
d. Periapical osteitis, abscess, cellulitis
Answer  Explanation 

ANSWER: Periapical osteitis, cellulitis, abscess

Explanation:
No explanation is available for this question!


25)   The fascial spaces involved in ludwig’s angina are___________?

a. Unilateral – submandibular & sublingual spaces
b. Bilateral – submandibular & sublingual spaces
c. Unilateral – submandibular sublingual & submental spaces
d. Bilateral – submandibular sublingual & submental spaces
Answer  Explanation 

ANSWER: Bilateral – submandibular sublingual & submental spaces

Explanation:
No explanation is available for this question!


26)   The chronic osteomyelitis of the jaw consists of:_____________?

a. condensing osteitis
b. Sclerotic cemental mass
c. chronic diffuse sclerosing osteomyelitis
d. All of the above
Answer  Explanation 

ANSWER: All of the above

Explanation:
No explanation is available for this question!


27)   Which of the following is more prone to osteomyelitis:__________?

a. Maxilla
b. zygoma
c. palatine bone
d. mandible
Answer  Explanation 

ANSWER: mandible

Explanation:
No explanation is available for this question!


28)   Chronic periostitis in children is known as__________?

a. Cherubism
b. Garre’s osteomyelitis
c. Histiocytosis X
d. Tuberculous osteomyelitis
Answer  Explanation 

ANSWER: Garre’s osteomyelitis

Explanation:
No explanation is available for this question!


29)   A diffuse spreading inflammatory lesion is due to bacterial enzyme

a. Coagulase
b. Hyaluronidase
c. Peroxidase
d. Bradykinin
Answer  Explanation 

ANSWER: Hyaluronidase

Explanation:
No explanation is available for this question!


30)   Best way to differentiate a periapical cyst and a perapical granuloma is:__________?

a. Radiographically
b. Histologically
c. Clinically
d. None of the above
Answer  Explanation 

ANSWER: Histologically

Explanation:
No explanation is available for this question!


31)   Which of the following differentiates between condensing osteitis and benign cementoblastoma?

a. Condensing osteitis is associated with vital teeth where as cementoblastoma is associated with non-vital teeth
b. In condensing osteitis radiopacity is attached to tooth where as in cementoblastoma it is not
c. Cementoblastoma is associated with vital tooth where as condensing osteitis is associated with non-vital tooth
d. In cementoblastoma radiopacity is attached to tooth where as in condensing osteitis it is not
Answer  Explanation 

ANSWER: In cementoblastoma radiopacity is attached to tooth where as in condensing osteitis it is not

Explanation:
No explanation is available for this question!


32)   Constant feature associated with a radicular cyst

a. An impacted tooth
b. A missing both
c. A non-vital tooth
d. An anomalous tooth
Answer  Explanation 

ANSWER: A non-vital tooth

Explanation:
No explanation is available for this question!


33)   The caries of enamel surface leads to accentuation of:__________?

a. Incremental lines of retzius
b. Perikymata
c. Imbrication lines of pickerill
d. Wickham’s striae
Answer  Explanation 

ANSWER: Incremental lines of retzius

Explanation:
No explanation is available for this question!


34)   Odontogenic epithelium responsible for the formation of dental cyst is:___________?

a. Cell rests of seirre
b. Enamel organ
c. Reduced enamel epithelium
d. Cell rests of malassez
Answer  Explanation 

ANSWER: Cell rests of malassez

Explanation:
No explanation is available for this question!


35)   Which is not true of Ludwig’s angina?

a. Usually arises from an infected molar
b. involves submandibular space
c. May need emergency tracheostomy
d. None of the above
Answer  Explanation 

ANSWER: None of the above

Explanation:
No explanation is available for this question!


36)   Reversible pulpitis change to irreversible pulpitis primarily because of:__________?

a. Vacular strangulation
b. Reduced host resistance
c. Invasion of microorganisms
d. An increase in microbial virulence
Answer  Explanation 

ANSWER: Invasion of microorganisms

Explanation:
No explanation is available for this question!


37)   Pain due to acute irreversible pulpitis is:____________?

a. Spontaneous
b. Sharp- shock like
c. Lasting for short time
d. Continuous
Answer  Explanation 

ANSWER: Spontaneous

Explanation:
No explanation is available for this question!


38)   A person experiences throbbing pain at night. It is due to:__________?

a. Acute Pulpal degeneration
b. Acute periodontal abscess
c. Chronic pulpitis
d. Cellulitis
Answer  Explanation 

ANSWER: Acute Pulpal degeneration

Explanation:
No explanation is available for this question!


39)   An asymptomatic tooth has deep has deep caries on occlusal surface. Radiograph shows radiopaque mass at apex of the tooth: this mass is most likely to be:____________?

a. Cementoma
b. Condensing Osteitis
c. Chronic apical periodontitis
d. Acute apical periodontitis
Answer  Explanation 

ANSWER: Condensing Osteitis

Explanation:
No explanation is available for this question!


40)   Acute osteomyelitis is most frequently caused by which of the following microorganisms?

a. Gonococcus
b. Enterococcus
c. Streptococcus
d. Staphylococcus
Answer  Explanation 

ANSWER: Staphylococcus

Explanation:
No explanation is available for this question!