Plasma cells produce thousands of __________ that are released into the bloodstream virus fragments helper T cells antigens antibodies 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? Memory B lymphocytes for the antigen of this disease organism The disease organism itself and antigens for the disease organism A very high level of antibodies against the disease antigens 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? Cancer An allergic response Passive immunity An autoimmune disease TRUE ANSWER : ? YOUR ANSWER : ?
To elicit the best antibodies to mouse MHC I, it should be injected into a rat mouse of a different strain goat mouse of the same genetic background (strain) 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 dividing T cells in the draining lymph nodes serum antibody titer TRUE ANSWER : ? YOUR ANSWER : ?
During exposure to a foreign invader, there are more __________ present in the vertebrate body than before exposure lymphocytes antibodies all of these macrophages and antigens TRUE ANSWER : ? YOUR ANSWER : ?
What is a protein produced by host cells infected by viruses? Interferon Histamine Vaccine Antiserum TRUE ANSWER : ? YOUR ANSWER : ?
What are the solutions prepared from weakened or dead microorganisms, viruses, or toxins that provide some immunity from diseases? Antibiotics Histamines Drugs Vaccines TRUE ANSWER : ? YOUR ANSWER : ?
Immunological memory is due to short lived helper T cells that signal macrophage to divide 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 TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following immune cells would have an especially low count in a patient with advanced AIDS? Helper T lymphocyte Killer T lymphocytes B lymphocytes None of these TRUE ANSWER : ? YOUR ANSWER : ?