Coagulase Test | Theory & Results in Tubes and on Slides

Coagulase Test | Theory & Results in Tubes and on Slides

Assessment

Interactive Video

Science, Health Sciences, Biology

University

Hard

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The video tutorial explains the coagulase test used in microbiology to differentiate between Staphylococcus aureus and Staphylococcus epidermis. It begins with an overview of the two species and the role of the coagulase enzyme. The normal clotting process in the human body is described, highlighting how coagulase can bypass these mechanisms, leading to potential health risks like embolism. The tutorial then details how to perform the coagulase test both in a test tube and on a microscope slide, explaining how to interpret the results for coagulase-positive and coagulase-negative organisms.

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7 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

What are the two types of Staphylococcus organisms mentioned in the text?

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

Explain the role of coagulase in the coagulation process.

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

What happens when Staphylococcus aureus enters the bloodstream?

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4.

OPEN ENDED QUESTION

3 mins • 1 pt

Describe the difference in results when testing Staphylococcus aureus and Staphylococcus epidermidis for coagulase.

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5.

OPEN ENDED QUESTION

3 mins • 1 pt

What are the expected results of a coagulase test in a test tube?

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6.

OPEN ENDED QUESTION

3 mins • 1 pt

How is the coagulase test performed on a microscope slide?

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7.

OPEN ENDED QUESTION

3 mins • 1 pt

What indicates a coagulase negative organism in the test?

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