Microbiology and Pathology Quiz 4

Which method reliably kills bacterial spores when properly used?

Dental unit waterlines often harbor biofilms. Which statement best describes a biofilm?

Which is the best description of normal oral flora?

Compared with Gram-positive bacteria, Gram-negative organisms characteristically have:

The primary cell type dominating the earliest hours of acute inflammation is:

Which microscopic finding is most characteristic of chronic inflammation?

Which feature best distinguishes an exudate from a transudate?

During an immune response, a B cell initially produces IgM and later begins secreting IgG with the same antigen specificity. This is due to:

A patient develops acute urticaria and bronchospasm minutes after receiving penicillin. This reaction is best classified as:

Which condition is primarily an autoimmune disease?

The typical lung lesion of primary tuberculosis is:

A painless, firm ulcer on the lip that developed several weeks after unprotected sexual contact and resolves spontaneously is most consistent with:

Which situation most strongly predisposes to oral candidiasis?

Advanced atherosclerotic plaques in large arteries typically consist of:

A patient with chronic left-sided heart failure most characteristically shows which lung finding?

Which feature most strongly suggests a malignant epithelial neoplasm?

Which best describes carcinoma in situ in oral epithelium?

The classic type of necrosis seen in a myocardial infarction is:

An oncogene is best defined as:

Which statement best distinguishes staging from grading of a malignant tumor?