Identification of unknown Lab
CASE STUDY #7 Student Name: -------
(8 pts.)
1.- (1 pt.) Clinical specimen collected from patient: ------------------------
What is the gram reaction, shape, and arrangement of the isolated organism?
2.- (1 pt.) What was the volume of urine inoculated onto the plate?
What was the count of organisms that the sample yielded?
A 0.1 ml of a sample of urine plated on a NA plate yields 100 colonies or CFU’s are the resulting CFU’s/ml indicative of a UTI? Explain your answer.
3.- Chart _ 3 pts.
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TESTS |
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Order of test |
1st |
2nd |
3rd |
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Description of Result |
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Interpretation of Results |
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organisms not eliminated with the test |
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Answer the questions below using the results of the biochemical tests, and any other material provided for these exercises.
4.- (1 pt.) The result of test 1 puts the bacteria isolated in the genus ------------------
Based on the results obtained in test 1, the organism isolated could have which of the following oxygen requirement preferences?
A. Strict aerobe B. strict anaerobe C. Microaerophile D. Facultative anaerobe
E. Aerotolerant
MSA is a selective and differential medium, selecting for -------------------------- and differentiating between ------------------------- and ----------------------------.
Using Tests 2-3 explain the following:
5.-(1 pt.) For test 2: Medium used, principle of the test, any reagent or indicator used.
6.- (1 pt.) For test 3: Medium used, principle of the test, any reagent or indicator used.