Immunological memory is due to long lived B cells that secrete a specific antigen short lived macrophage that can recognize specific pathogens long lived B cells that secrete a specific antibody short lived helper T cells that signal macrophage to divide TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following immune cells would have an especially low count in a patient with advanced AIDS? B lymphocytes Killer T lymphocytes None of these Helper T lymphocyte TRUE ANSWER : ? YOUR ANSWER : ?
Polysaccharides on the surface of infecting microorganisms can also activate complement directly in the absence of antigen via the alternative pathway None of these antibody via metabolic pathway antibody via the alternative pathway TRUE ANSWER : ? YOUR ANSWER : ?
If a person is vaccinated against a disease sometime in the past, which of the following is currently in your body? A very high level of antibodies against the disease antigens Memory B lymphocytes for the antigen of this disease organism The disease organism itself and antigens for the disease organism All of these TRUE ANSWER : ? YOUR ANSWER : ?
What is the result of an abnormal response of the immune system to part of a person's own body? An autoimmune disease Cancer An allergic response Passive immunity TRUE ANSWER : ? YOUR ANSWER : ?
To elicit the best antibodies to mouse MHC I, it should be injected into a mouse of the same genetic background (strain) rat goat mouse of a different strain TRUE ANSWER : ? YOUR ANSWER : ?
To detect a humoral immune response to influenza virus, it is possible to measure dividing T cells in the draining lymph nodes serum antibody titer plasma cytokine levels cytotoxicity of virus-infected cells in tissue culture TRUE ANSWER : ? YOUR ANSWER : ?
What is a protein produced by host cells infected by viruses? Antiserum Vaccine Interferon Histamine 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 : ?
The immune response to a booster vaccine is called a(n) secondary response primary response cellular response innate response TRUE ANSWER : ? YOUR ANSWER : ?