NAME DATE;__________________________ Lab Instructor's Name;_________________________ Module #13 Lab Worksheet 1. You have isolated a pure culture of a bacterium from a patient with a particular disease. Describe how you would determine the sensitivity of that bacterium to various antibiotics. 2. For each of the following indicate whether the isolate is sensitive or resistant to oxacillin: a) Staph aureus, 1940 b) Staph aureus, recent 3. Would you expect a 1940 isolate of Staph aureus to have a different spectrum of antibacterial resistance than one isolated today? Why? 4. How would one treat a penicillin-resistant staphylococcal infection? 5. Do hospital and non-hospital strains of staphylococci differ in their sensitivity to antibacterial agents? 6. Why is a Staph. infection in a burn patient considered a serious infection? 7. Describe one specific mechanisms by which bacteria become resistant to antibiotics. 8. Do antibiotics cause mutation? 10. Describe 2 situations that you should not use penicillin for the treatment of a patient who is suffering from bacterial infection. 1.
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