Bacillus anthracis Flashcards

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1
Q

what are the two forms of B. anthracis?

A

Cutaneous anthrax

Pulmonary anthrax

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2
Q

what human infections will B. anthracis cause?

A

Wool-sorter’s & hide-porter’s disease *

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3
Q

what individuals can acquire hide-porter’s disease *?

A

handlers of infected wildlife *

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4
Q

how often does anthrax occur in the US?

A

its rare

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5
Q

Anthrax has this very dangerous and potential use in the world?

what part of B. anthracis is used for this?

A

used as agent of bio-warfare or bio-terrorism *

Anthrax spores is used for bio-warfare or bio-terrorism*

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6
Q

B. anthracis contains this polypeptide in its capsule?

A

poly-D-glutamate

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7
Q

what is the toxin B. anthracis contains?

A

Anthrax toxin*

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8
Q

the Anthrax toxin* is composed of these factors?

A
  • Edema factor (EF)
  • Lethal factor (LF)
  • Protective antigen (PA)
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9
Q

what is the factor that helps by being Anti-phagocytic?

A

Capsule (glutamate capsule) *

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10
Q

the edema factor will produce this?

A

Edema toxin *

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11
Q

through what mechanism will the edema factor cause edema?

A

cAMP

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12
Q

what factor will be a Zinc-metalloprotease?

what kind of damage will this factor produce in the human body?

A

lethal toxin (factor)

will cause tissue necrosis

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13
Q

what symptoms will lead to a diagnosis of cutaneous anthrax?

A

→ Central black eschar * with surrounding pustules “malignant pustule” *

→ Marked extensive edema

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14
Q

what type of anthrax is this?

what is this symptom?

A

cutaneous

black eschars

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15
Q

what type of anthrax is this?

what is this symptom?

A

cutaneous

black eschars

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16
Q

what type of anthrax is this?

what is this symptom?

A

cutaneous

malignant pustule

17
Q

how do you acquire pulmonary anthrax?

A

inhalation of spores

18
Q

how many phases are in the pulmonary acquired anthrax?

what are they?

A

Phase 1: insidious onset

Phase 2 : sudden onset

19
Q

what symptoms are seen in Phase 1 of pulmonary anthrax?

A
  • nonproductive cough
  • complaint of substernal discomfort
20
Q

what symptoms are seen in Phase 2 of pulmonary anthrax?

A

Severe chest pain

widened mediastinum,*

enlarged hilar lymph nodes,*

pleural effusions *

21
Q

what is the symptoms that leads to suspect anthrax?

A

mediastinal widening *

22
Q

what is the treatment for anthrax?

A

Ciproflaxin and doxycyclin

23
Q

what prevention is there for anthrax?

A

Toxoid vaccine

24
Q

what toxins can combine and cause edema?

A

edema factor and protective factor

25
Q

what toxins can combined and cause cell death?

A

lethal and protective factors

26
Q

can pulmonary anthrax be passed by coughing on people?

A

no, not contagious, only passed by inhaling the spores

27
Q

how do you acquire Wool’s sorter disease?

A

Handlers of processed hides, goat hair, wool,

28
Q

what is wool’s sorters disease?

A

pulmonary anthrax

29
Q

what is Hide-porter’s disease*?

A

Cutaneous anthrax