micro test4.5

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micro test4.5
2013-03-06 17:15:49

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  1. which of the following diseases is not usallycontracted by the respiratory
    infectious hepatitis
  2. A commensal bacterium?
    May be opportunistic pathogen
  3. Which of the statements is true ?
    symbiosis refers to different organisms living together.
  4. A nosocomial infection is?
    Acquired through the course of hospitalization
  5. The major significance of kochs work was that?
    Not all diseases are caused by microorganisms
  6. Mechanical transmission differs from biological in that mechanical transmission?
    doesn’t involve specific diseases
  7. Which of these infections can cause septicemia?
    Focal infection
  8. Which type of infection is caused by septicemia?
    Systemic infection
  9. Transient micro biota differs from normal microbiota because transient micro biota?
    Causes diseases
  10. Which of the following statements about nosocomial infections is false?
    Patient was infected before hospitalization
  11. One effect of washing regularly with antibacterial agents is the removal of normal micro biota this can result in?
    increased susceptibility in disease
  12. Which of the following is not a reservoir of infection?
    All of the above
  13. Which of the following is a fomite?
    A hypodermic needle
  14. Symptoms od disease differ from signs in that symptoms?
    Are felt by the patient
  15. The science that deals with when diseases occur and how they are transmitted is called?
  16. Emergence of infectious diseases can be due to all the following except?
    Microbes trying to cause disease
  17. Which of the following can result in postoperative infections?
    All of the above
  18. A cold transmitted by a facial tissue is an example of?
    Vehicle transmission
  19. Influenza transmitted by an unprotected sneeze is an example of ?
    droplet transmission
  20. A std is an example of?
    Direct contact
  21. Plaque transmitted by a fleas is an example of ?
  22. The yeast candida albicans does not normally cause disease because of ?
    antagonistic bacteria
  23. Hoemophilus bacteria require heme protein produced by staph bacteria this is an?
  24. Pseudomonas bacteria colonized the bile duct of a patient following his liver transplant surgery. This is an example of?
    Nosomial infection
  25. Incidence in polio in the us the period  between 1945 and 1955 indicates ?
    an epidemic level
  26. The most frequently used porta of entry for pathogen is?
    Mucous membranes of respiratory tract
  27. Which of the following diseases id not usually contracted by the respiratory?
    Infectious hepatitis
  28. Most pathogens that gain access through the skin?
    Enter through hair follicles and sweat ducts
  29. The IA 50 is a?
    dose that will cause an infection in 50% of test population
  30. Cytopathic effects are changes in host cells due to ?
    viral infections
  31. Which of the following does not contribute to symptoms of a fungal disease?
    Cell walls
  32. Which of the following is not considered entry via the paranetal route?
    Hair follicle
  33. A cell wall can incrase a bacteriums virulence because cell wall lipid?
    Is toxic
  34. Botulism is caused by a proenaceous exotoxin therefore it can be easily prevented by ? 
    boiling food brior to consumption
  35. Symptoms of protozoan and helminthic disease are due ?
    all of the above
  36. Which of the following does not contribute to the virulence of of a pathogen?
    all of the above
  37. A needle stick is an example of which portal of entry?
    Parenteral route
  38. Polio virus is ingested and gains acess to tissues by which portal of entry?
    mucous membranes
  39. Endotoxins in sterile injectable drugs could cause?
    septic shock symptoms
  40. The administration of ampicillin before surgery?
    Decreses the risk of staph infection
  41. Innate immunity is ?
    the bodys ablility to ward off diseases
  42. Which of the following is not a physical factor protecting the skin and mucous membranes from infection?
  43. The function of ciliary escalatoris to ?
    remove microorganisms from the lower respiratory tract
  44. Which of the following exhibits the highest phagocytic activity?
  45. Margination refers to?
    Adherence of phagocytes to the lining of blood vessels
  46. The swelling associated with the inflammation decreases when the fluid?
    Goes into the lymph capillaries
  47. Which is not a fuction of inflammation?
    To produce antibodies
  48. Chill is a sign of?
    Body temp is rising
  49. Macrophages arise from which of the following?
  50. All of the following occur during inflammation what is the first step?