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Questions and Answers
Which type of bacteria is associated with cutaneous anthrax?
Which type of bacteria is associated with cutaneous anthrax?
- Gram-negative bacilli
- Gram-negative cocci
- Gram-positive bacilli (correct)
- Gram-positive cocci
What is the characteristic enzyme of the non-branching, catalase-positive, gram-positive bacilli?
What is the characteristic enzyme of the non-branching, catalase-positive, gram-positive bacilli?
- Cytochrome C oxidase
- Coagulase
- Catalase (correct)
- Urease
How many genera does the group containing Bacillus species now contain?
How many genera does the group containing Bacillus species now contain?
- 10
- 100
- 53 (correct)
- 20
What is the most important medically relevant organism within the Bacillus genus?
What is the most important medically relevant organism within the Bacillus genus?
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How do the endospores of Bacillus enter the body in cutaneous anthrax?
How do the endospores of Bacillus enter the body in cutaneous anthrax?
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Study Notes
Cutaneous Anthrax
- Bacillus anthracis is associated with cutaneous anthrax.
- Cutaneous anthrax is a common type of anthrax.
- It develops after the bacteria enters through a cut or abrasion.
Bacillus Species
- Bacillus species are non-branching, catalase-positive, gram-positive bacilli.
- The characteristic enzyme of Bacillus species is catalase.
- The enzyme catalase breaks down hydrogen peroxide into water and oxygen.
- The group containing Bacillus species currently comprises 32 genera.
- Bacillus is the most medically relevant organism in the group.
Anthrax Transmission
- Bacillus anthracis produces endospores.
- These endospores are highly resistant to environmental conditions and can be transmitted through contact with infected animals or contaminated materials.
- The endospores enter the body through cuts or abrasions in the skin.
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