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MCQ Bacteriology

MCQ: Microbiology

If a scientist actively researches the frequency and distribution of the diseases, he is said to be a: a. Mycologist    b. Immunologist            c. Etiologist       d. Epidemiologist e. Ecologist The biggest obstacle in the acceptance and […]

Immunology

Cell Mediated Immunity

CELL-MEDIATED IMMUNITY: Antibody-independent immunity, mediated by TH1 cells. Examples: Type-IV Hypersensitivity responses, responses against Mycobacterium tuberculosis and other intracellular pathogens. MACROPHAGE ACTIVATION: IFN-gamma, secreted by TH1 cells, activates macrophages. Increase expression of MHC-II molecules in […]