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Microbiology Media for Selective Isolation

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Microbiology Media for Selective Isolation

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Questions and Answers

Which agar is used to recover Neisseria gonorrhoeae and Neisseria meningitidis?

Medium Thayer Martin Agar (correct)

MacConkey Agar

Pseudosel Agar

Mannitol Salt Agar

Which agar contains malachite green to make it selective?

Pseudosel Agar

Lowenstein Jensen Medium (correct)

Campy-blood agar

Salmonella Shigella Agar

What is the main function of crystal violet in Crystal Violet Blood Agar?

To inhibit gram-negative bacteria

To recover S.pyogenes

To inhibit fungi

To inhibit gram-positive bacteria (correct)

What is the main function of cetrimide in Pseudosel Agar (Cetrimide Agar)?

To act as an antiseptic agent Signup and view all the answers

What is the main function of sodium desoxycholate in Bile Esculin Agar?

To inhibit many bacteria Signup and view all the answers

What is the main function of potassium tellurite in Potassium Tellurite Medium?

To recover C.diphtheriae Signup and view all the answers

Microbiology Media for Selective Isolation

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Podcast

Questions and Answers

Which agar is used to recover Neisseria gonorrhoeae and Neisseria meningitidis?

Which agar contains malachite green to make it selective?

What is the main function of crystal violet in Crystal Violet Blood Agar?

What is the main function of cetrimide in Pseudosel Agar (Cetrimide Agar)?

What is the main function of sodium desoxycholate in Bile Esculin Agar?

What is the main function of potassium tellurite in Potassium Tellurite Medium?

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