Histogenesis of salivary gland and significance

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1.

Which type of acini predominantly produces enzyme-rich, watery secretions in the salivary glands?

A) Mucous acini

B) Serous acini

C) Mixed seromucous acini

D) Myoepithelial cells

2.

Adenoid cystic carcinoma, a tumor known for its perineural invasion, is believed to originate primarily from which cell type?

A.

B.

3.

Which of the following statements about mucoepidermoid carcinoma is correct?

A) It arises from the serous acini of the salivary glands.

B) It exhibits both mucous and epidermoid (squamous) differentiation.

C) It is typically a slow-growing tumor with low metastatic potential.

D) It does not express P63.

4.

Which of the following markers is associated with myoepithelial differentiation in salivary gland tumors?

A) EMA

B) SMA (Smooth Muscle Actin)

C) CEA

D) CK5/6