36. ________________________________ refers to the ability of a drug to harm the microbes without harming the host.

26. Ultraviolet radiation

46. You are removing the sheets from the bed of a patient infected with tuberculosis. You see an area with heavy sputum. What CLASSIFICATION/GRADE of disinfectant would you use? Why?  Give one example of this disinfectant.  _______________________________________________________________

1. Sterilization is

52.  You are given a Petri plate with an unknown media in it.  It has been inoculated with 2 different types of bacteria.  One bacterial culture grows well and changes the media color from blue to pink.  Due to a chemical inhibitor, other bacteria have little to no growth and does not change the color of the media.  Would you define this media as selective, differential, enriching or a combination of these? Explain your answer. (Be Complete) 

44. __________ are microbes that will grow in the absence of any apparent water.

17. A typical bacterial cell has a salt concentration of about 1%. If the cell is placed in a solution containing 10% salt, then the net flow of water will be

9. A special group of chemical substances that are used to treat diseases caused by microbes:

14. Which of the following types of organisms would most likely be found in the large intestine, where there is a complete lack of free oxygen?

45.The time that it takes for one cell to divide into two and then two cells to divide into four is known as the microbe’s _______________.