A patient presents with a chronic palatal ulcer. On biopsy there is evidence of salivary gland infarction and squamous metaplasia of salivary ducts. This is:
a. Benign lymphoepithelial lesion
b. Necrotizing sialometaplasia
c. Cytomegalic disease
d. Lymphoma
e. Mucous extravasation phenomenon
B
Health Professions
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Which components are included in the stromal cell compartment?
a. Matrix proteins and regulatory cytokines b. Adipocytes, endothelial cells, fibroblasts, T lymphocytes, and macrophages c. Stem cells d. Progenitor cells
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Which of the following is an example of a chemical that may be employed as a weapon of mass destruction?
A) Chlorine B) Gamma radiation C) Botulism toxin D) Anthrax
Health Professions