Bio 251 Ch 19 Flashcards

1
Q

What can gram postivite bacilli be subdivided based on

A

Presence or absence of endospores and acid fastness

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2
Q

Three general groups of gram positive bacilli

A

Endospore former, non endospore formers, irrgegualr shaped and staying proteries.

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3
Q

Spore forming bacilli

A

Bacillus and clostridum

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4
Q

Where is bacilli anthracis found

A

Soil

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5
Q

What does bacilli anthraics commonly affect

A

Domestic and wild animals around the world

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6
Q

Is anthrax communicable

A

No infection occur when spores get into body

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7
Q

When do endospores develop

A

In all conditions except living body

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8
Q

Types of anthrax

A

Cutaneous, pulmonary, gastrointestinal and injection

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9
Q

Cutaneous anthrax

A

Spores enter through skin, black sore, eschar form and leat dangerous

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10
Q

Pulmonary anthrax

A

Inhalation of spores

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11
Q

GI anthrax

A

Ingested spores

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12
Q

Injection anthrax

A

Recently identifies in her on in D injecting users in northern Europe

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13
Q

Where clostridum perfingeen spores found.

A

Soil, intestine of humans and. Animals

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14
Q

What does clostridum p? Commonly contaminate

A

Raw meat an dolauryy that have not been. Cooked thoroughly enough to detsory spores

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15
Q

Infections of c. Perfingens

A

Food pointing and gas gangrene

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16
Q

Food posining with C. Perfingens

A

Refrigerate cold foods within 2hrs
@ 40ᵒF or below
• Keep hot food @ 140ᵒF or above

17
Q

Outbreaks of food posing with c. Perfomgens commonlynlinked to

A

Institutions such as hospitals, school, cafeterias, prisons, nursing homes
Events with catered food kept warm for long periods of time because spores able to germinate

18
Q

Common clostridia involved in chasing gas gangrene

A

C. Perfingens

19
Q

C. Prefingen in gas gangrene invasive

A

No requires damaged and dead tissue and anaerobic condition

20
Q

What causes m,ost of the damage of gangrene

A

Exotoxins

21
Q

How does gas gangrene work

A

Fermentation of muscle carbs resulting in formation of gas and further tissue dirtruction

22
Q

Predisposing factors of gas gangrene

A

Surgical incisions, compound fractures, diabtic ulcers, puncture wounds and gun shot sounds

23
Q

Prevention of gas gangrene

A

Immediate clearing of dirty wounds deep wounds compound fractures and infected incisions

24
Q

Treatment of gas gangrene

A

Debridement if diseased tissue and hyperbaric oxygen therapy

25
Q

Where is c? Tetani found?

A

Soil and gi tract of animals

26
Q

What does C. Tetani cause

A

TETANUS OR JAWLOCK, NEUROMUSCUSLR DISEASE

27
Q

How does c? Retain usually infect

A

Spores enter through accidentally puncture wound, burns, municipal stumps, frostbite sand crushed body parts

28
Q

What environment does clostrodum tetani require for veg cells to grow and release toxin

A

Anaerobic environment