2.2.4.2 Definitive identification Flashcards

1
Q

Medium use in Urease test?

A

Christensen Urea Medium

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2
Q

Incubation for Urease test?

A

37, 2 hrs

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3
Q

What bacteria is Pink or magenta in Urease test?

A

H. pylori

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4
Q

In breath test, what is the capsule used?

A

13 Carbon Urea Capsule

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5
Q

In urea breath test, how is being detected?

A

Scintillation Counter

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6
Q

In Urea breath test, how many mins for lay down?

A

5 mins

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7
Q

In Urea breath test, how many mins for seated?

A

15 mins

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8
Q

What is the principle for Urea breath test?

A

Urease breaks down the 13 C- Urea capsule

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9
Q

Hippurate hydrolysis (+)
Growth 42 C (+)
Growth 25 C (-)
Urease (-)
Nalidixic acid (S)
Cephalothin (R)

A

C. jejuni

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10
Q

Hippurate hydrolysis (-)
Growth 42 C (-)
Growth 25 C (+)
Urease (-)
Nalidixic acid (R)
Cephalothin (S)

A

C. fetus subsp fetus

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11
Q

Hippurate hydrolysis (-)
Growth 42 C (V)
Growth 25 C (-)
Urease (+)
Nalidixic acid (R)
Cephalothin (S)

A

H. pylori

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