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Microbiology Quiz: Bacterial Culture and Sensitivity

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Microbiology Quiz: Bacterial Culture and Sensitivity

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Questions and Answers

What is the purpose of the antibiotic sensitivity test in microbiology?

To grow anaerobic bacteria

To identify the type of bacteria

To determine whether bacteria are sensitive or resistant to antibiotics (correct)

To provide nutritional requirements for fastidious bacteria

What type of media is used to grow anaerobic bacteria?

Selective media

Anaerobic culture (correct)

Enriched media

Simple media

Which of the following media is used to isolate Staph aureus?

Simple media

MacConkey's agar

Eosin Methylene blue (EMB)

Mannitol Salt Agar (correct)

What is the purpose of sterilization in microbiology?

To eliminate contaminants from media Signup and view all the answers

What is the characteristic of lactose fermenting enteric bacteria on MacConkey's agar?

They produce pink colonies Signup and view all the answers

What is the purpose of enriched media in microbiology?

To provide nutritional requirements for fastidious bacteria Signup and view all the answers

What is the purpose of the two bottles used in blood culture?

One for aerobic and one for anaerobic incubation Signup and view all the answers

What is the component that makes Löwenstein-Jensen medium selective?

Malachite green Signup and view all the answers

How is Löwenstein-Jensen medium sterilized?

Inspissation Signup and view all the answers

What is the purpose of subculturing in blood culture?

To allow for the growth of microorganisms Signup and view all the answers

What is the incubation period for blood culture?

Up to 10 days Signup and view all the answers

What is the name of the method used for antibiotic sensitivity testing?

Disc diffusion method Signup and view all the answers