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Home⇒ Medical Science⇒ Biochemistry⇒ Immune response
1-Dont try to cram or spend more time here just read it fast and cover syllabus then practice MCQ's cheptor of same topic to check your progress. . |
2-Wrong options are also given but dont concentrate there, Right answer is in bold format. |
Q1 ⇒ What is a protein produced by host cells infected by viruses? Interferon [other wrong options] [Discuss in forum] ![]() ![]() Histamine Antiserum Vaccine |
Q2 ⇒ To detect a humoral immune response to influenza virus, it is possible to measure serum antibody titer [other wrong options] [Discuss in forum] ![]() ![]() cytotoxicity of virus-infected cells in tissue culture dividing T cells in the draining lymph nodes plasma cytokine levels |
Q3 ⇒ Plasma cells produce thousands of __________ that are released into the bloodstream antibodies [other wrong options] [Discuss in forum] ![]() ![]() antigens helper T cells virus fragments |
Q4 ⇒ During exposure to a foreign invader, there are more __________ present in the vertebrate body than before exposure all of these [other wrong options] [Discuss in forum] ![]() ![]() antibodies lymphocytes macrophages and antigens |
Q5 ⇒ Immunological memory is due to long lived B cells that secrete a specific antibody [other wrong options] [Discuss in forum] ![]() ![]() 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 |
Q6 ⇒ If a person is vaccinated against a disease sometime in the past, which of the following is currently in your body? All of the above [other wrong options] [Discuss in forum] ![]() ![]() The disease organism itself and antigens for the disease organism A very high level of antibodies against the disease antigens Memory B lymphocytes for the antigen of this disease organism |
Q7 ⇒ To elicit the best antibodies to mouse MHC I, it should be injected into a goat [other wrong options] [Discuss in forum] ![]() ![]() mouse of the same genetic background (strain) mouse of a different strain rat |
Q8 ⇒ Antibodies bound to an invading microorganism activate the complement system via classical pathway [other wrong options] [Discuss in forum] ![]() ![]() metabolic pathway Embden Meyerhof pathway Entner-Doudoroff pathway |
Q9 ⇒ Immunogenicity is not a property of haptens [other wrong options] [Discuss in forum] ![]() ![]() depends on the ability of the native antigen to be presented by MHC is usually a property of self antigens such as eye tissue is not a property of antibodies |
Q10 ⇒ In cellular immunity, T lymphocytes are responsible for the recognition and killing of foreign invaders. The cells are both (a) and (b) [other wrong options] [Discuss in forum] ![]() ![]() cytotoxic T lymphocytes (CTL) killer T cells none of the above |
Q11 ⇒ What are the solutions prepared from weakened or dead microorganisms, viruses, or toxins that provide some immunity from diseases? Vaccines [other wrong options] [Discuss in forum] ![]() ![]() Histamines Drugs Antibiotics |
Q12 ⇒ Polysaccharides on the surface of infecting microorganisms can also activate complement directly in the absence of antibody via the alternative pathway [other wrong options] [Discuss in forum] ![]() ![]() antigen via the alternative pathway antibody via metabolic pathway none of the above |
Q13 ⇒ Which of the following is in the lymph nodes of a person battling a cold virus? All of the above [other wrong options] [Discuss in forum] ![]() ![]() Huge numbers of white blood cells Trapped viruses that have been roaming the body Lymph ducts that enter and exit the nodes and Lymph fluid |
Q14 ⇒ Which of the following immune cells would have an especially low count in a patient with advanced AIDS? Helper T lymphocyte [other wrong options] [Discuss in forum] ![]() ![]() Killer T lymphocytes B lymphocytes None of these |
Q15 ⇒ What is the result of an abnormal response of the immune system to part of a person's own body? An autoimmune disease [other wrong options] [Discuss in forum] ![]() ![]() Passive immunity Cancer An allergic response |
Q16 ⇒ The immune response to a booster vaccine is called a(n) secondary response [other wrong options] [Discuss in forum] ![]() ![]() cellular response innate response primary response |