White lesions Terminology, Causes, Reactive Lesions

1 / 10

Nicotine stomatitis is mainly caused by:

Heat and carcinogens from smoking

Alcohol

Candida infection

Trauma

2 / 10

The main reason oral lesions appear white clinically is:

Increased vascularity

Thick keratin layer

Increased melanin

Increased saliva

3 / 10

The most common cause of smokeless tobacco lesion is:

Snuff

Cigarette smoke

Trauma

Alcohol

4 / 10

Red dots in nicotine stomatitis represent:

Inflamed salivary duct openings

Ulcers

Necrosis

Blood vessels

5 / 10

Smokeless tobacco lesions are most commonly seen in:

Hard palate

Mandibular vestibule

Tonsillar area

Soft palate

6 / 10

Metaplasia is defined as:

Malignant transformation

Loss of differentiationLoss of differentiation

Change from one cell type to another in same tissue

Abnormal cell size

7 / 10

Smokeless tobacco lesions may progress to:

SCC directly

Verrucous carcinoma

Basal cell carcinoma

Adenocarcinoma

8 / 10

Hyperparakeratosis refers to:

Loss epithelial cells

Increase parakeratin layer

Increase vascular supply

Increase orthokeratin

9 / 10

Frictional hyperkeratosis usually shows all EXCEPT:

Acanthosis

Dysplasia

Hyperkeratosis

Chronic inflammatory infiltrate

10 / 10

Acanthosis means:

Hyperplasia of prickle cell layer

Loss of differentiation

Increase connective tissue

Increase keratin layer

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