Immunological memory is due to long lived B cells that secrete a specific antibody short lived helper T cells that signal macrophage to divide short lived macrophage that can recognize specific pathogens long lived B cells that secrete a specific antigen TRUE ANSWER : ? YOUR ANSWER : ?
What are the solutions prepared from weakened or dead microorganisms, viruses, or toxins that provide some immunity from diseases? Antibiotics Vaccines Drugs Histamines TRUE ANSWER : ? YOUR ANSWER : ?
To elicit the best antibodies to mouse MHC I, it should be injected into a rat mouse of the same genetic background (strain) goat mouse of a different strain TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following immune cells would have an especially low count in a patient with advanced AIDS? B lymphocytes None of these Killer T lymphocytes Helper T lymphocyte TRUE ANSWER : ? YOUR ANSWER : ?
Polysaccharides on the surface of infecting microorganisms can also activate complement directly in the absence of None of these antibody via metabolic pathway antigen via the alternative pathway antibody via the alternative pathway TRUE ANSWER : ? YOUR ANSWER : ?
In cellular immunity, T lymphocytes are responsible for the recognition and killing of foreign invaders. The cells are killer T cells cytotoxic T lymphocytes (CTL) both (a) and (b) None of these TRUE ANSWER : ? YOUR ANSWER : ?
What is a protein produced by host cells infected by viruses? Antiserum Histamine Interferon Vaccine TRUE ANSWER : ? YOUR ANSWER : ?
Plasma cells produce thousands of __________ that are released into the bloodstream virus fragments helper T cells antibodies antigens TRUE ANSWER : ? YOUR ANSWER : ?
To detect a humoral immune response to influenza virus, it is possible to measure plasma cytokine levels cytotoxicity of virus-infected cells in tissue culture serum antibody titer dividing T cells in the draining lymph nodes TRUE ANSWER : ? YOUR ANSWER : ?
Immunogenicity depends on the ability of the native antigen to be presented by MHC is not a property of haptens is usually a property of self antigens such as eye tissue is not a property of antibodies TRUE ANSWER : ? YOUR ANSWER : ?