BACTELEC M5U2 at Saint Louis College | Flashcards & Summaries

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Lernmaterialien für BACTELEC M5U2 an der Saint Louis College

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TESTE DEIN WISSEN

The_________ extreme resistance to adverse physical conditions and chemical substances accounts for the survival of the spore-formers, and is also relevant to their ________ 

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TESTE DEIN WISSEN

endospore, pathogenicity 

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TESTE DEIN WISSEN

Many species of the genus _______ do not cause disease and are not well characterized in medical microbiology 


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TESTE DEIN WISSEN

Bacillus

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TESTE DEIN WISSEN

The classical disease, anthrax, is caused by ________ which remains an important pathogen in animals and occasionally in humans. 


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TESTE DEIN WISSEN

Bacillus anthracis 

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TESTE DEIN WISSEN

Food poisoning, eye or other localized infections are associated with ________


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TESTE DEIN WISSEN

Bacillus cereus

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TESTE DEIN WISSEN

_________ is often isolated as an environmental contaminant 


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TESTE DEIN WISSEN

Bacillus subtilis 

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TESTE DEIN WISSEN

Microscopy C. perfringens: 

A. Gram-positive (or gram-variable) bacilli, usually 0.8 to 1.5 µm in diameter × 2 to 4 µm long and have blunt ends; 

B. occur singly or in pairs

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TESTE DEIN WISSEN

1st true, 2nd false

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TESTE DEIN WISSEN

Microscopy C. perfringens: Spores are large, subterminal, oval and swell the sporangia - often described as "_______"; but are rarely produced when cultured on agar in the laboratory. 

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TESTE DEIN WISSEN

boxcar-shaped 

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TESTE DEIN WISSEN

Microscopy C. perfringens: 

A. Nonmotile

B. Nonencapsulated

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TESTE DEIN WISSEN

1st true, 2nd false

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TESTE DEIN WISSEN

Cultural method C. perfringens: _________


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TESTE DEIN WISSEN

On anaerobic BAM 

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TESTE DEIN WISSEN

C. perfringens: On anaerobic BAM - Colonies are large, ___ to ____; circular, glossy, dome-shaped, entire, translucent, typically surrounded by a double zone of hemolysis (AKA _____) 

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TESTE DEIN WISSEN

gray, grayish-yellow, target hemolysis 

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TESTE DEIN WISSEN

Biochemical characteristics of C. perfringens: 

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TESTE DEIN WISSEN

Gelatinase (+) 

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TESTE DEIN WISSEN

Most spore-forming bacteria are gram-_______, rod-shaped forms in the genera _____ and _____

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TESTE DEIN WISSEN

positive, Bacillus, Clostridium

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Q:

The_________ extreme resistance to adverse physical conditions and chemical substances accounts for the survival of the spore-formers, and is also relevant to their ________ 

A:

endospore, pathogenicity 

Q:

Many species of the genus _______ do not cause disease and are not well characterized in medical microbiology 


A:

Bacillus

Q:

The classical disease, anthrax, is caused by ________ which remains an important pathogen in animals and occasionally in humans. 


A:

Bacillus anthracis 

Q:

Food poisoning, eye or other localized infections are associated with ________


A:

Bacillus cereus

Q:

_________ is often isolated as an environmental contaminant 


A:

Bacillus subtilis 

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Q:

Microscopy C. perfringens: 

A. Gram-positive (or gram-variable) bacilli, usually 0.8 to 1.5 µm in diameter × 2 to 4 µm long and have blunt ends; 

B. occur singly or in pairs

A:

1st true, 2nd false

Q:

Microscopy C. perfringens: Spores are large, subterminal, oval and swell the sporangia - often described as "_______"; but are rarely produced when cultured on agar in the laboratory. 

A:

boxcar-shaped 

Q:

Microscopy C. perfringens: 

A. Nonmotile

B. Nonencapsulated

A:

1st true, 2nd false

Q:

Cultural method C. perfringens: _________


A:

On anaerobic BAM 

Q:

C. perfringens: On anaerobic BAM - Colonies are large, ___ to ____; circular, glossy, dome-shaped, entire, translucent, typically surrounded by a double zone of hemolysis (AKA _____) 

A:

gray, grayish-yellow, target hemolysis 

Q:

Biochemical characteristics of C. perfringens: 

A:

Gelatinase (+) 

Q:

Most spore-forming bacteria are gram-_______, rod-shaped forms in the genera _____ and _____

A:

positive, Bacillus, Clostridium

BACTELEC M5U2

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