Podcast
Questions and Answers
In which type of wound healing does the wound slowly fill with granulation tissue from the bottom up?
In which type of wound healing does the wound slowly fill with granulation tissue from the bottom up?
- Severe irritant
- Secondary intention (correct)
- Chronic inflammation
- Primary intention
What is the replacement of damaged tissue by healthy new tissue called?
What is the replacement of damaged tissue by healthy new tissue called?
- Granuloma
- Organization
- Regeneration (correct)
- Fibrosis
What type of inflammation results in red granular, velvety, moist, bleeds easily, and resistant to infection tissue?
What type of inflammation results in red granular, velvety, moist, bleeds easily, and resistant to infection tissue?
- Acute inflammation
- Exudative inflammation (correct)
- Proliferative inflammation
- Chronic inflammation
Which type of cells are continuously dividing throughout life to replace damaged cells?
Which type of cells are continuously dividing throughout life to replace damaged cells?
Which factor delays wound healing and leads to more granulation tissue and scarring?
Which factor delays wound healing and leads to more granulation tissue and scarring?
What is the duration of chronic inflammation?
What is the duration of chronic inflammation?
What is the primary reactive cell in a granuloma?
What is the primary reactive cell in a granuloma?
Which type of inflammation cannot have its cause identified from the inflammatory reaction?
Which type of inflammation cannot have its cause identified from the inflammatory reaction?
What type of granuloma is caused by tuberculosis?
What type of granuloma is caused by tuberculosis?
What disease can lead to allergic granulomas?
What disease can lead to allergic granulomas?
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Study Notes
Wound Healing Processes
- Granulation Tissue Healing: Wounds heal slowly by filling with granulation tissue from the bottom up, supporting tissue regeneration.
- Replacement of Damaged Tissue: The process of replacing damaged tissue with healthy new tissue is known as tissue regeneration or repair.
Inflammation Types and Characteristics
- Red Granular Tissue: A specific type of inflammation leads to the formation of red, granular, velvety, moist tissue that bleeds easily and is resistant to infection, indicating a heightened healing response.
- Identifiable Inflammation: A type of inflammation exists where the cause cannot be identified, complicating diagnosis and treatment.
Cell Types and Healing Factors
- Continuously Dividing Cells: Certain cell types, like epithelial cells, divide continually throughout life to replace damaged cells and maintain tissue integrity.
- Factors Delaying Healing: Factors such as poor blood supply or nutrient deficiencies delay wound healing and can lead to increased granulation tissue formation and scarring.
Chronic Inflammation and Granulomas
- Duration of Chronic Inflammation: Chronic inflammation can last for several weeks to years, often causing prolonged tissue damage.
- Primary Reactive Cell: Macrophages are the primary reactive cells found in granulomas, playing a key role in chronic inflammation and tissue repair.
Specific Conditions
- Tuberculosis Granulomas: Granulomas caused by tuberculosis are a specific type of chronic inflammation, indicating the organism's persistence in the body.
- Allergic Granulomas: Allergic reactions can lead to the formation of allergic granulomas, which involve an immune response to allergens.
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