ch 7 micro

  1. Which of the following is the best method to sterilize heat-labile solutions?




    A)
  2. Which of the following best describes the pattern of microbial death?




    C)
  3. Which of the following substances can sterilize?




    E)
  4. Which of the following substances is used for surgical hand scrubs?




    D)
  5. Place the following surfactants in order from the most effective to the least effective antimicrobial activity:1-Soap; 2-Acid-anionic detergent; 3-Quats.




    B)
  6. The antimicrobial activity of chlorine is due to which of the following?




    B)
  7. Iodophors differ from iodine (I2) in that iodophors




    E)
  8. Which of the following does NOT achieve sterilization?




    C)
  9. Which of the following is a limitation of the autoclave?




    E)
  10. Which of the following affects the elimination of bacteria from an object?




    E)
  11. Which of the following does NOT directly result from application of heat?




    C)
  12. Which of these disinfectants acts by denaturing proteins?




    C)
  13. Which of the following substances is NOT an oxidizing agent?




    A)
  14. Which of the following is NOT used to disinfect water?




    E)
  15. Which of the following substances is NOT effective against nonenveloped viruses?




    E)
  16. Glutaraldehyde is considered one of the most effective disinfectants for hospital use. Which of the following statements about glutaraldehyde is false?




    D)
  17. Which concentration of ethanol is the most effective bactericide?




    E)
  18. 18) Which of the following is NOT a factor contributing to hospital-acquired infections?




    E)
  19. Which of the following treatments is the most effective for controlling microbial growth?




    C)
  20. Which of the following could be used to sterilize plastic Petri plates in a plastic wrapper?




    C)
  21. Assume that one culture is a freshly opened package of dried yeast with 0.1% moisture, another culture is the same yeast with 7.5% moisture, and the third culture is a package of yeast mixed with water. Each culture was exposed to 130°C in a hot-air oven. Which graph in Figure 7.1 most likely shows the yeast with 0.1% moisture?




    A)
  22. Which of the following pairs is mismatched?




    A)
  23. Which one of the following does NOT belong with the others?




    C)
  24. Which one of the following does NOT belong with the others?




    A)
  25. Which of the following substances is NOT used to preserve foods?




    A)
  26. Which of the following will NOT destroy prions?




    A)
  27. Which one of the following pairs is mismatched?




    B)
  28. Which of the following will NOT preserve foods?




    C)
  29. Which of the following will NOT inactivate endospores?




    E)
  30. If you were preparing nutrient agar at home and didn’t have an autoclave, what could you use to sterilize the nutrient agar?




    A)
  31. Bone and tendons for transplant are decontaminated by




    A)
  32. Which one of the following is most resistant to chemical biocides?




    B)
  33. Which of the following does not kill endospores?




    D)
  34. Which of the following is most effective for sterilizing mattresses and plastic Petri dishes?




    B)
  35. Which of these disinfectants does not act by disrupting the plasma membrane?




    C)
  36. Which of the following cannot be used to sterilize a heat-labile solution stored in a plastic container?




    A)
  37. Which of the following is not a characteristic of quaternary ammonium compounds?




    A)
  38. A classmate is trying to determine how a disinfectant might kill cells.  You observed that when he spilled the disinfectant in your reduced litmus milk, the litmus turned blue again.  You suggest to your classmate that




    C)
  39. Which of the following is most likely to be bactericidal?




    B)
  40. Which of the following is used to control microbial growth in foods?




    A)
Author
XQWCat
ID
176676
Card Set
ch 7 micro
Description
chapter 7 micro test 2
Updated