MFDS Oral Medicine & Pathology 3

Question 1

The acanthosis, elongation of rete ridges and parakeratosis seen on biopsy are most consistent with:

Accepted Answer

Psoriasiform mucositis

Answer

Oral lichen planus

Answer

Leukoplakia with mild dysplasia

Answer

Chronic hyperplastic candidiasis

Question 2

Which classification is used to grade epithelial dysplasia in oral precancerous lesions?

Accepted Answer

WHO 2005 grading

Answer

Broder's grading

Answer

Bethesda system

Answer

TNM staging

Question 3

Verrucous carcinoma differs from conventional SCC in that it:

Accepted Answer

Has a pushing border and low-grade histology

Answer

Metastasises early

Answer

Is HPV negative always

Answer

Requires immediate radical surgery

Question 4

Which investigation is most appropriate to confirm the diagnosis of pemphigus vulgaris?

Accepted Answer

Direct immunofluorescence of perilesional mucosa

Answer

Patch testing

Answer

Serum IgE levels

Answer

Culture of blister fluid

Question 5

Mikulicz cells, which are large macrophages containing the causative organism, are found in:

Accepted Answer

Rhinoscleroma

Answer

Actinomycosis

Answer

Noma

Answer

Tuberculosis

Question 6

Florid cemento-osseous dysplasia most commonly affects which demographic group?

Accepted Answer

Middle-aged black women

Answer

Young white males

Answer

Elderly Asian men

Answer

Adolescent females of any ethnicity