Immune Response problems
- 1. Plasma cells produce thousands of __________ that are released into the bloodstream
Options- A. antigens
- B. antibodies
- C. helper T cells
- D. virus fragments Discuss
Correct Answer: antibodies
- 2. Which of the following is in the lymph nodes of a person battling a cold virus?
Options- A. Huge numbers of white blood cells
- B. Trapped viruses that have been roaming the body
- C. Lymph ducts that enter and exit the nodes and Lymph fluid
- D. All of the above Discuss
Correct Answer: All of the above
- 3. What are the solutions prepared from weakened or dead microorganisms, viruses, or toxins that provide some immunity from diseases?
Options- A. Vaccines
- B. Histamines
- C. Drugs
- D. Antibiotics Discuss
Correct Answer: Vaccines
- 4. Polysaccharides on the surface of infecting microorganisms can also activate complement directly in the absence of
Options- A. antibody via the alternative pathway
- B. antigen via the alternative pathway
- C. antibody via metabolic pathway
- D. none of the above Discuss
Correct Answer: antibody via the alternative pathway
- 5. If a person is vaccinated against a disease sometime in the past, which of the following is currently in your body?
Options- A. The disease organism itself and antigens for the disease organism
- B. A very high level of antibodies against the disease antigens
- C. Memory B lymphocytes for the antigen of this disease organism
- D. All of the above Discuss
Correct Answer: All of the above
- 6. The immune response to a booster vaccine is called a(n)
Options- A. cellular response
- B. innate response
- C. primary response
- D. secondary response Discuss
Correct Answer: secondary response
- 7. 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
Correct Answer: both (a) and (b)
- 8. 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
Correct Answer: serum antibody titer
- 9. 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
Correct Answer: is not a property of haptens
- 10. 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
Correct Answer: Helper T lymphocyte
More in Biochemistry:
Programming
Copyright ©CuriousTab. All rights reserved.