During exposure to a foreign invader, there are more __________ present in the vertebrate body than before exposure all of these macrophages and antigens lymphocytes antibodies TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following is in the lymph nodes of a person battling a cold virus? Trapped viruses that have been roaming the body Lymph ducts that enter and exit the nodes and Lymph fluid All of these Huge numbers of white blood cells 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 mouse of the same genetic background (strain) goat 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 Passive immunity Cancer An allergic response TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following immune cells would have an especially low count in a patient with advanced AIDS? Killer T lymphocytes None of these B lymphocytes Helper T lymphocyte TRUE ANSWER : ? YOUR ANSWER : ?
Polysaccharides on the surface of infecting microorganisms can also activate complement directly in the absence of antibody via the alternative pathway antibody via metabolic pathway None of these antigen 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? All of these The disease organism itself and antigens for the disease organism Memory B lymphocytes for the antigen of this disease organism A very high level of antibodies against the disease antigens TRUE ANSWER : ? YOUR ANSWER : ?
Immunological memory is due to long lived B cells that secrete a specific antibody short lived macrophage that can recognize specific pathogens long lived B cells that secrete a specific antigen short lived helper T cells that signal macrophage to divide TRUE ANSWER : ? YOUR ANSWER : ?
Plasma cells produce thousands of __________ that are released into the bloodstream virus fragments antibodies antigens helper T cells TRUE ANSWER : ? YOUR ANSWER : ?
To detect a humoral immune response to influenza virus, it is possible to measure cytotoxicity of virus-infected cells in tissue culture dividing T cells in the draining lymph nodes plasma cytokine levels serum antibody titer TRUE ANSWER : ? YOUR ANSWER : ?