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Questions and Answers
What is the purpose of the streak plate technique?
What is the purpose of the streak plate technique?
- To identify different types of bacteria in a sample
- To observe bacterial growth under a microscope
- To measure the rate of bacterial reproduction
- To isolate organisms from a mixed population into a pure culture (correct)
In the transfer of broth to broth, why is the loop flamed after dipping into the new broth?
In the transfer of broth to broth, why is the loop flamed after dipping into the new broth?
- To prevent contamination of the new broth (correct)
- To sterilize the loop
- To ensure the loop is not too hot
- To enhance the growth of bacteria in the new broth
Why is it important to flame the mouth of the culture tube before and after transferring the loop into the broth?
Why is it important to flame the mouth of the culture tube before and after transferring the loop into the broth?
- To enhance the visibility of bacteria
- To provide heat for bacterial growth
- To sterilize the mouth of the culture tube (correct)
- To remove excess moisture from the tube
What is the purpose of flaming the loop before and after streaking a slant?
What is the purpose of flaming the loop before and after streaking a slant?
Why is the inoculating loop flamed before and after use?
Why is the inoculating loop flamed before and after use?
What is the purpose of antibiotic susceptibility testing?
What is the purpose of antibiotic susceptibility testing?
When is susceptibility testing not usually indicated?
When is susceptibility testing not usually indicated?
How is testing individual pathogens against antibiotics typically done?
How is testing individual pathogens against antibiotics typically done?
What is the first step of the disc diffusion method for testing pathogens against antibiotics?
What is the first step of the disc diffusion method for testing pathogens against antibiotics?
Why is isolating bacteria from a patient not enough for determining the proper therapy?
Why is isolating bacteria from a patient not enough for determining the proper therapy?