Discussion
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- Question
Which of the following blood proteins can destroy pathogens?
Options- A. Major histocompatibility complex
- B. Platelets
- C. Fibrinogen
- D. Complement system
- Correct Answer
- Complement system
- 1. Which of the following components of the vertebrate immune response occurs first upon invasion by a virus or bacterium?
Options- A. Activation of killer T lymphocytes
- B. Activation of B lymphocytes
- C. The inflammatory response
- D. Mobilization of complement proteins Discuss
- 2. What is the result of invasion of a body by pathogens?
Options- A. Infection
- B. Inflammation
- C. Swelling
- D. Pus Discuss
- 3. What type of B cell is like a tiny factory that produces antibodies identical to the B cell receptor that bind to the original antigen?
Options- A. T cells
- B. Memory cells
- C. Plasma cells
- D. Macrophages Discuss
- 4. In animals, blood clots serve the function of
Options- A. consuming invading organisms
- B. helping them match the background coloration of the habitat
- C. stimulating production of killer T lymphocytes
- D. repairing damage to the body wall Discuss
- 5. Which of the following provide specific defense against viruses and bacteria?
Options- A. T cells
- B. B cells
- C. Complement
- D. inflammation Discuss
- 6. Which of the following white blood cells act as scavengers when they engulf and digest pathogens?
Options- A. Macrophages
- B. T cells
- C. B cells
- D. Lymphocytes Discuss
- 7. Cleavage of an IgG molecule by a specific protease can produce
Options- A. an antigen-binding site and two constant regions
- B. two heavy chain-light chain dimers
- C. an inactive mixture of oligopeptides
- D. two Fab fragments and one Fc fragment Discuss
- 8. ?-Lymphocytes are often called simply
Options- A. B cells
- B. T cells
- C. T Lymphocytes
- D. none of these Discuss
- 9. Type A blood
Options- A. can be used to donate to type AB individuals
- B. can be used to donate to type B individuals
- C. contains type B antigens on the surface of red blood cells
- D. can always be used to donate to an Rh+ individual Discuss
- 10. The human IgG class of antibodies is divided into
Options- A. five IgG classes
- B. two IgG classes
- C. three IgG classes
- D. four IgG classes Discuss
Immune System problems
Search Results
Correct Answer: The inflammatory response
Correct Answer: Infection
Correct Answer: Plasma cells
Correct Answer: repairing damage to the body wall
Correct Answer: B cells
Correct Answer: Macrophages
Correct Answer: two Fab fragments and one Fc fragment
Correct Answer: B cells
Correct Answer: can be used to donate to type AB individuals
Correct Answer: four IgG classes
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