What are the solutions prepared from weakened or dead microorganisms, viruses, or toxins that provide some immunity from diseases? Drugs Histamines Vaccines Antibiotics 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 autoimmune disease Passive immunity An allergic response TRUE ANSWER : ? YOUR ANSWER : ?
Immunological memory is due to long lived B cells that secrete a specific antibody 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 TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following is in the lymph nodes of a person battling a cold virus? Lymph ducts that enter and exit the nodes and Lymph fluid Huge numbers of white blood cells Trapped viruses that have been roaming the body All of these 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 All of these The disease organism itself and antigens for the disease organism A very high level of antibodies against the disease antigens TRUE ANSWER : ? YOUR ANSWER : ?
In cellular immunity, T lymphocytes are responsible for the recognition and killing of foreign invaders. The cells are None of these killer T cells cytotoxic T lymphocytes (CTL) both (a) and (b) TRUE ANSWER : ? YOUR ANSWER : ?
Antibodies bound to an invading microorganism activate the complement system via Entner-Doudoroff pathway classical pathway metabolic pathway Embden Meyerhof pathway TRUE ANSWER : ? YOUR ANSWER : ?
Immunogenicity depends on the ability of the native antigen to be presented by MHC is not a property of antibodies is usually a property of self antigens such as eye tissue is not a property of haptens 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 : ?
To detect a humoral immune response to influenza virus, it is possible to measure plasma cytokine levels serum antibody titer cytotoxicity of virus-infected cells in tissue culture dividing T cells in the draining lymph nodes TRUE ANSWER : ? YOUR ANSWER : ?