DDS Oral Pathology and Oral Medicine 2

Question 1

Squamous cell carcinoma of the oral cavity has the highest incidence in which site?

Accepted Answer

Lateral and ventral tongue/floor of mouth

Answer

The lateral/ventral tongue and floor of mouth together represent the most common sites for oral squamous cell carcinoma in the United States.

Question 2

Which salivary gland neoplasm is the most common malignant tumor of the parotid gland?

Accepted Answer

Mucoepidermoid carcinoma

Answer

Mucoepidermoid carcinoma is the most common malignant salivary gland tumor overall and the most common malignancy of the parotid gland.

Question 3

Central giant cell granuloma of the jaw is histologically characterized by:

Accepted Answer

Multinucleated giant cells in a fibrous connective tissue stroma

Answer

CGCG shows numerous osteoclast-like multinucleated giant cells dispersed within a vascular fibrous stroma, often with hemosiderin deposits.

Question 4

Fibrous dysplasia of the jaw characteristically demonstrates which radiographic appearance?

Accepted Answer

Ground-glass opacity with poorly defined borders blending into normal bone

Answer

Fibrous dysplasia shows a classic 'ground-glass' or 'orange peel' radiodensity with ill-defined borders that blend imperceptibly into surrounding normal bone.

Question 5

Ranula is a mucous retention/extravasation lesion arising from which gland?

Accepted Answer

Sublingual gland

Answer

Ranula is a mucocele of the floor of the mouth arising from the sublingual gland or its ducts, and can extend into the neck as a plunging ranula.

DDS - Doctor of Dental Surgery Practice Test

DDS - Doctor of Dental Surgery Practice Test

DDS Oral Pathology and Oral Medicine 2