Identification of unknown Lab

CASE STUDY #3 Student Name: -------

(8 pts.)

1.- (0.5 pts.) The specimen tested were stool specimens from several patients.

What were the symptoms presented by the patients?

How was the TSI test tube inoculated? (be specific)

2.- Chart _ 4 pts.

TESTS
Order of test	1st	2nd	3rd	4th
Description of Result
Interpretation of Results
organisms not eliminated with the test

Answer the questions below using the results of the biochemical tests, and any other material provided for these exercises.

3.- (0.5 pts.) What is the color of the slant and the butt of the TSI test result?

What do these colors indicate regarding fermentation of sucrose, lactose, and glucose?

Using Tests 2-4 explain the following:

4.-(1 pt.) For test 2: Medium used, principle of the test, any reagent or indicator used.

5.- (1 pt.) For test 3: Medium used, principle of the test, any reagent or indicator used.

6.- (1 pt.) For test 4: Medium used, principle of test, any reagent or indicator used.