Immune Response problems
- 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
Correct Answer: classical pathway
- 2. 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 Discuss
Correct Answer: all of these
- 3. 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
Correct Answer: goat
- 4. What is a protein produced by host cells infected by viruses?
Options- A. Interferon
- B. Histamine
- C. Antiserum
- D. Vaccine Discuss
Correct Answer: Interferon
- 5. 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
Correct Answer: long lived B cells that secrete a specific antibody
- 6. 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
Correct Answer: An autoimmune disease
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