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 All of these The disease organism itself and antigens for the disease organism TRUE ANSWER : ? YOUR ANSWER : ?
In cellular immunity, T lymphocytes are responsible for the recognition and killing of foreign invaders. The cells are cytotoxic T lymphocytes (CTL) both (a) and (b) None of these killer T cells TRUE ANSWER : ? YOUR ANSWER : ?
Plasma cells produce thousands of __________ that are released into the bloodstream antigens antibodies virus fragments helper T cells TRUE ANSWER : ? YOUR ANSWER : ?
To elicit the best antibodies to mouse MHC I, it should be injected into a rat mouse of the same genetic background (strain) goat mouse of a different strain TRUE ANSWER : ? YOUR ANSWER : ?
What is a protein produced by host cells infected by viruses? Antiserum Histamine Vaccine Interferon 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 B lymphocytes Killer T lymphocytes None of these TRUE ANSWER : ? YOUR ANSWER : ?
Antibodies bound to an invading microorganism activate the complement system via Entner-Doudoroff pathway metabolic pathway Embden Meyerhof pathway classical pathway TRUE ANSWER : ? YOUR ANSWER : ?
Which of the following is in the lymph nodes of a person battling a cold virus? Huge numbers of white blood cells All of these Lymph ducts that enter and exit the nodes and Lymph fluid Trapped viruses that have been roaming the body TRUE ANSWER : ? YOUR ANSWER : ?
What is the result of an abnormal response of the immune system to part of a person's own body? Passive immunity An autoimmune disease An allergic response Cancer TRUE ANSWER : ? YOUR ANSWER : ?
During exposure to a foreign invader, there are more __________ present in the vertebrate body than before exposure antibodies macrophages and antigens all of these lymphocytes TRUE ANSWER : ? YOUR ANSWER : ?