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Principles Of Infectious Diseases > Intro To PID > Flashcards

Intro To PID Flashcards

1
Q

What are oblique symbionts?

A

They need a host

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2
Q

What is balanced pathogenicity?

A

Damage with recovery

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3
Q

What is unbalanced pathogenicity?

A

High damage and death

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4
Q

What is an infection?

A

Invasion and multiplication of micro organisms, eventually with disease

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5
Q

How do bacteria replication?

A

Binary fission

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6
Q

What is bacterial thrombosis?

A

Local use of nutrients/oxygen

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7
Q

What is facultative and obligate intracellular invasion do?

A

Cell lysis

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8
Q

What are virulence factors of invasion ?

A

Capsule
Proteins that circumvent innate immunity
Iron uptake
Production of extracelluar enzymes

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9
Q

What type of antigen does the bacterial capsule contain?

A

K antigens

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10
Q

What are anatoxins?

A

Chemically treated toxins

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11
Q

What does a Type I exotoxins do?

A

Bind receptor, disturbance of cell wall metabolism

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12
Q

What does a type II exotoxins do?

A

Cell wall damage

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13
Q

What does a type III exotoxin do?

A

Intracellular toxins, A component goes inside, B component binds membrane

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14
Q

What is the function of LPS on gram negative bacteria?

A

Protection against toxic products and complement , acts as a endotoxin

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15
Q

What makes Gram positive bacteria toxic?

A

Liopteichoic acid

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16
Q

What do membrane vesicles contain?

A

Enzymes, exotoxins, DNA, signal molecules

17
Q

What role do membrane vesicles play?

A

Pathogensis, signaling, toxic products, killing of competitors

18
Q

What is part of the first line of defense in innate defense?

A

Iron uptake by cell wall proteins

19
Q

What is the cellular mechanism of innate immunity?

A

Marcophages/Nuetrophils

NK cells

20
Q

What are virulence factors against marcophages?

A

Biolfim

Extra cellular bacteria

Principles Of Infectious Diseases (6 decks)

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