Discussion
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- Question
During exposure to a foreign invader, there are more __________ present in the vertebrate body than before exposure
Options- A. antibodies
- B. lymphocytes
- C. macrophages and antigens
- D. all of these
- Correct Answer
- all of these
- 1. Antibodies bound to an invading microorganism activate the complement system via
Options- A. classical pathway
- B. metabolic pathway
- C. Embden Meyerhof pathway
- D. Entner-Doudoroff pathway Discuss
- 2. Which of the following immune cells would have an especially low count in a patient with advanced AIDS?
Options- A. Killer T lymphocytes
- B. Helper T lymphocyte
- C. B lymphocytes
- D. None of these Discuss
- 3. Immunogenicity
Options- A. depends on the ability of the native antigen to be presented by MHC
- B. is usually a property of self antigens such as eye tissue
- C. is not a property of antibodies
- D. is not a property of haptens Discuss
- 4. To detect a humoral immune response to influenza virus, it is possible to measure
Options- A. cytotoxicity of virus-infected cells in tissue culture
- B. dividing T cells in the draining lymph nodes
- C. plasma cytokine levels
- D. serum antibody titer Discuss
- 5. In cellular immunity, T lymphocytes are responsible for the recognition and killing of foreign invaders. The cells are
Options- A. cytotoxic T lymphocytes (CTL)
- B. killer T cells
- C. both (a) and (b)
- D. none of the above Discuss
- 6. To elicit the best antibodies to mouse MHC I, it should be injected into a
Options- A. goat
- B. mouse of the same genetic background (strain)
- C. mouse of a different strain
- D. rat Discuss
- 7. What is a protein produced by host cells infected by viruses?
Options- A. Interferon
- B. Histamine
- C. Antiserum
- D. Vaccine Discuss
- 8. Immunological memory is due to
Options- A. short lived macrophage that can recognize specific pathogens
- B. long lived B cells that secrete a specific antibody
- C. long lived B cells that secrete a specific antigen
- D. short lived helper T cells that signal macrophage to divide Discuss
- 9. What is the result of an abnormal response of the immune system to part of a person's own body?
Options- A. Passive immunity
- B. Cancer
- C. An allergic response
- D. An autoimmune disease Discuss
- 10. If Class IIMHC is not expressed in the thymus, the resulting immune deficiencies would include all of the following except reduced
Options- A. alternative complement activation.
- B. CD8 T cell-mediated cytotoxicity
- C. macrophage activation to vesicular pathogens
- D. IgG synthesis Discuss
Immune Response problems
Search Results
Correct Answer: classical pathway
Correct Answer: Helper T lymphocyte
Correct Answer: is not a property of haptens
Correct Answer: serum antibody titer
Correct Answer: both (a) and (b)
Correct Answer: goat
Correct Answer: Interferon
Correct Answer: long lived B cells that secrete a specific antibody
Correct Answer: An autoimmune disease
Correct Answer: alternative complement activation.
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