Microbiology at University Of Cape Town | Flashcards & Summaries

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Lernmaterialien für Microbiology an der University of Cape Town

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State the 4 types of streptococci

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- Streptococcus pyogenes (“Group A strep”)
- Streptococcus agalactiae (“Group B strep”)
- Streptococcus pneumoniae
- viridans group streptococci

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Why are they called gram positive?


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They stain purple during the gram stain test due to the presence of the peptidoglycan cell wall.


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Part of the skin most prone to staphylococcus aurens?


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The thoat


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What are the symptoms of toxic shock syndrome?


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Fussiness

Tiredness

Fever

Redness of the skin

Fluid filled blisters

Top layer peeling off


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What are the symptoms of scalded skin syndrome?


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Fussiness

Tiredness

Fever

Redness of the skin

Fluid filled blisters

Top layer peeling off


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State the virulence factors of Coagulase Negative Staphylococcus?


 

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Slime (biofilm) factors

Adhere to plastic surfaces

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What are the characteristics of bacteria that are catalyse positive?


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They produce the enzyme catalyse

They respire using oxygen

The function of a catalyse enzyme is to break down H2o2 to O2 and H2O+


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What is a coagulase test?


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Is a test done by inserting bacteria in blood plasma to detect whether they can produce a coagulase factor or not

Coagulase is a protein enzyme produced by bacteria that enables the conversion of fibrinogen to fibrin.


S aurens is coagulase positive


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Define Hemolysis


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Is the break-down of red blood cells


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Name the 3 most important CNS species


 

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-staphylococcus epidermidis

-Staphylococcus Saprophyticus

Staphylococcus  lugdenisis


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What is the habitat of enterococcus species?

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Gastrointestinal tract

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State the two Staphylococcus, gram positive cocci.

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Staphylococcus aureus
Coagulase-negative staphylococci

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Beispielhafte Karteikarten für deinen Microbiology Kurs an der University of Cape Town - von Kommilitonen auf StudySmarter erstellt!

Q:

State the 4 types of streptococci

A:

- Streptococcus pyogenes (“Group A strep”)
- Streptococcus agalactiae (“Group B strep”)
- Streptococcus pneumoniae
- viridans group streptococci

Q:

Why are they called gram positive?


A:

They stain purple during the gram stain test due to the presence of the peptidoglycan cell wall.


Q:

Part of the skin most prone to staphylococcus aurens?


A:

The thoat


Q:

What are the symptoms of toxic shock syndrome?


A:

Fussiness

Tiredness

Fever

Redness of the skin

Fluid filled blisters

Top layer peeling off


Q:

What are the symptoms of scalded skin syndrome?


A:

Fussiness

Tiredness

Fever

Redness of the skin

Fluid filled blisters

Top layer peeling off


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Q:

State the virulence factors of Coagulase Negative Staphylococcus?


 

A:

Slime (biofilm) factors

Adhere to plastic surfaces

Q:

What are the characteristics of bacteria that are catalyse positive?


A:

They produce the enzyme catalyse

They respire using oxygen

The function of a catalyse enzyme is to break down H2o2 to O2 and H2O+


Q:

What is a coagulase test?


A:

Is a test done by inserting bacteria in blood plasma to detect whether they can produce a coagulase factor or not

Coagulase is a protein enzyme produced by bacteria that enables the conversion of fibrinogen to fibrin.


S aurens is coagulase positive


Q:

Define Hemolysis


A:

Is the break-down of red blood cells


Q:

Name the 3 most important CNS species


 

A:

-staphylococcus epidermidis

-Staphylococcus Saprophyticus

Staphylococcus  lugdenisis


Q:

What is the habitat of enterococcus species?

A:

Gastrointestinal tract

Q:

State the two Staphylococcus, gram positive cocci.

A:

Staphylococcus aureus
Coagulase-negative staphylococci

Microbiology

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