Discussion
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- Question
Which of these cytokines is also known under the name cachectin?
Options- A. Interferon gamma
- B. Interleukin 2
- C. Tumor necrosis factor (TNF)
- D. None of the above
- Correct Answer
- Tumor necrosis factor (TNF)
- 1. Prontosil is
Options- A. an effective antibacterial when used in animals
- B. an effective antibacterial when used in in-vitro cultures
- C. an effective antibacterial both in animals as well as in in-vitro cultures
- D. not used as an antibacterial agent Discuss
- 2. Immunization with which of the following toxoid induces high titer serum antibody, but does not protect from the corresponding disease?
Options- A. Tetanus
- B. Botulism
- C. Diphtheria
- D. Shigellosis Discuss
- 3. Which of the following statements is not true regarding Mycobacterium tuberculosis and/or the disease it causes?
Options- A. The pathogen contains mycolic acid in its cell wall
- B. The pathogen can live inside macrophages
- C. Antibodies to the pathogen are protective
- D. None of these Discuss
- 4. Fatalities following influenza infection are usually due to the
Options- A. dehydration
- B. bacterial superinfection
- C. damage to the heart muscle
- D. formation of granulomas in the lung Discuss
- 5. Mucus helps in protecting against pathogens by
Options- A. lowering the pH
- B. facilitating the growth of normal flora
- C. blocking access and attachment of pathogens to mucosal surfaces
- D. sequestering Iron Discuss
- 6. Plastic implants can pose a serious nosocomial infection problem because
Options- A. phagocytes have trouble moving on the plastic surface
- B. phagocytes have trouble engulfing bacteria embedded in a biofilm
- C. infected implants usually have to be surgically removed
- D. all of the above Discuss
- 7. Lactoferrin helps to protect against pathogens by
Options- A. sequestering Iron
- B. blocking sebum production
- C. lowering the pH
- D. facilitating the growth of normal flora Discuss
- 8. All infections do not cause fever and all fevers are not due to infections which of the following is an example of non-infections cause of fever?
Options- A. Typhoid
- B. Chicken pox
- C. Rheumatic disease
- D. Malaria Discuss
- 9. Which of the following is true regarding anthrax?
Options- A. Anthrax is caused by a virus
- B. Anthrax is highly contagious
- C. Inhalation anthrax and cutaneous anthrax are caused by separate strains of Bacillus anthracis
- D. Inhalation Anthrax requires infection with a large number of spores Discuss
- 10. Which is not a major defense mechanism in the stomach?
Options- A. Proteolytic enzymes
- B. Low pH
- C. Dense normal flora
- D. All of these Discuss
Microorganisms and Disease problems
Search Results
Correct Answer: an effective antibacterial both in animals as well as in in-vitro cultures
Correct Answer: Botulism
Correct Answer: Antibodies to the pathogen are protective
Correct Answer: bacterial superinfection
Correct Answer: blocking access and attachment of pathogens to mucosal surfaces
Correct Answer: all of the above
Correct Answer: sequestering Iron
Correct Answer: Rheumatic disease
Correct Answer: Inhalation Anthrax requires infection with a large number of spores
Correct Answer: Dense normal flora
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