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Questions and Answers
What is the characteristic feature of the colony formation of Actinomyces israelii on agar?
What is the characteristic feature of the colony formation of Actinomyces israelii on agar?
What is the primary mode of transmission for Actinomyces israelii infections?
What is the primary mode of transmission for Actinomyces israelii infections?
What is the primary clinical presentation of Actinomyces israelii infection?
What is the primary clinical presentation of Actinomyces israelii infection?
Why is Actinomyces israelii considered an 'obligate anaerobe'?
Why is Actinomyces israelii considered an 'obligate anaerobe'?
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What is the primary treatment for Actinomyces israelii infections?
What is the primary treatment for Actinomyces israelii infections?
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What is the primary reservoir for Actinomyces israelii?
What is the primary reservoir for Actinomyces israelii?
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Which of the following clinical diseases is associated with Actinomyces israelii infection?
Which of the following clinical diseases is associated with Actinomyces israelii infection?
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What is the characteristic feature of Actinomyces israelii pathogenesis?
What is the characteristic feature of Actinomyces israelii pathogenesis?
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Which type of colony does Actinomyces israelii form on agar?
Which type of colony does Actinomyces israelii form on agar?
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What is the primary mode of transmission for Actinomyces israelii?
What is the primary mode of transmission for Actinomyces israelii?
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Study Notes
Characteristics of Actinomyces israelii
- Colony formation on agar is characterized by the presence of "molar tooth" or "splash-like" morphology.
- Actinomyces israelii is an obligate anaerobe, meaning it requires oxygen-free environment to grow.
Transmission and Reservoir
- The primary mode of transmission is through endogenous infection, meaning the bacteria is already present in the body.
- The primary reservoir for Actinomyces israelii is the oral cavity and gastrointestinal tract.
Clinical Presentation and Treatment
- The primary clinical presentation of Actinomyces israelii infection is pelvic inflammatory disease, thoracic infections, and abdominal infections.
- The primary treatment for Actinomyces israelii infections is antibiotic therapy, specifically penicillin or tetracycline.
Pathogenesis and Associated Diseases
- The characteristic feature of Actinomyces israelii pathogenesis is the formation of granulomatous lesions and suppuration.
- Actinomyces israelii infection is associated with clinical diseases such as actinomycosis, which is a chronic bacterial infection.
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Description
Test your knowledge on Actinomyces israelii by identifying key characteristics such as purple hue, tree in the background, gas mask, yellow sulfur granules, and molar tooth colony on agar. Learn about its transmission, reservoirs, and disease associations.
