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What is the advantage of the gram stain over a simple stain

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1. What is the function of the iodine solution in the Gram stain? If it were omitted, how would staining results be affected?

2. What is the purpose of the alcohol solution in the Gram stain?

3. What counterstain is used? Why is it necessary? Could colors other than red be used?

4. What is the advantage of the Gram stain over a simple stain such as methylene blue?

5. In what kind of clinical situation would a direct smear report from the laboratory be of urgent importance?

Reference no: EM131150888

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