Which of the following is in the lymph nodes of a person battling a cold virus? Trapped viruses that have been roaming the body All of these Huge numbers of white blood cells Lymph ducts that enter and exit the nodes and Lymph fluid 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 A very high level of antibodies against the disease antigens The disease organism itself and antigens for the disease organism All of these 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 antibody via the alternative pathway antibody via metabolic pathway None of these TRUE ANSWER : ? YOUR ANSWER : ?
What is a protein produced by host cells infected by viruses? Antiserum Interferon Histamine Vaccine 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 : ?
During exposure to a foreign invader, there are more __________ present in the vertebrate body than before exposure antibodies all of these lymphocytes macrophages and antigens TRUE ANSWER : ? YOUR ANSWER : ?
Plasma cells produce thousands of __________ that are released into the bloodstream antigens virus fragments helper T cells antibodies TRUE ANSWER : ? YOUR ANSWER : ?
The immune response to a booster vaccine is called a(n) primary response innate response secondary response cellular response TRUE ANSWER : ? YOUR ANSWER : ?
Immunogenicity is not a property of antibodies is usually a property of self antigens such as eye tissue is not a property of haptens depends on the ability of the native antigen to be presented by MHC 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 : ?