Immunology MCQs

Polyclonal goat anti-bovine IgA means: A. Goat IgA antibody that recognizes several classes of bovine antibody B. Goat antibody from several Bcell clones that all recognize epitopes of bovine IgA C. Bovine antibody from several B-cell clones that all recognize goat IgA D. Goat IgA antibody that recognizes bovine IgA. correct answer: B. Goat antibody from several Bcell clones that all recognize epitopes of bovine IgA A Direct FA on a cow for BVD virus was negative. This means... A...

Which of the following receptor types are used by the immune system to sense bacterial lipopolysaccharide? correct answer: Toll-like receptors Which of the following cytokines are not produced by dendritic cells upon pathogen receptor ligation? correct answer: Interleukin-2 Neutrophils can kill phagocytosed bacteria using: correct answer: All of the above - 1) Reactive oxygen species 2) Reactive nitrogen species 3) Defensins 4) Proteolytic enzymes The B cell antigen receptor is c...