Streptococcus mutans is considered to be a principal aetiological agent of caries because it produces organic acids and it 1) Forms a gelatinous matrix 2) Metabolizes substrate from saliva 3) Derives energy from enamel constituents 4) Lives symbiotically with Lactobacillus
Oral PathologyAnswer: 1
Rapid development of wheal-like lesions on the oral mucosa which progress to vesicles and then rupture to form ulcers covered with a thick white or yellow exudate, is suggestive of
1. cat scratch disease
2. erythema multiforme
3. pemphigus vegetans
4. lupus erythematosus
Oral PathologyAnswer: 2
Pseudorahagades are found in 1) Congenital syphilis 2) Acquired syphilis 3) Psoriasis 4) Ectodermal dysplasia
Oral PathologyAnswer: 4
Hutchinson triad consists of all the following except
1. Interstitial keratitis
2. Hypoplasia of incisor and molar teeth
3. Chancre
4. Eighth nerve deafness
Oral PathologyAnswer: 3
The cell body seen in microscopic picture of lichen planus is 1) Lipsohutz bodies 2) Barr bodies 3) Civatte bodies 4) Koilocyte body
Oral PathologyAnswer: 3
Oral manifestation of infectious mononucleosis is most commonly 1) Bluish red spots opposite maxillary molar 2) Pseudomembrane on gingival 3) Pinpoint petechiae on the palate 4) Gingival hyperplasia
Oral PathologyAnswer: 3
In a patient with reduced salivary flow the carious incidence is 1) More than in the patient with normal salivary flow 2) Less than in the patient with normal salivary flow 3) Unaffected 4) None of the above
Oral PathologyAnswer: 1
Bifid ribs, multiple radiolucent lesions of the jaws, multiple basal cell nevi and falx cerebri calcification are found in 1) Basal cell nevus syndrome 2) Sturge-Weber syndrome 3) Horner syndrome 4) Hereditary internal polyposis
