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Match the pulmonary conditions with their descriptions:
Pulmonary Congestion = Passive accumulation of blood in pulmonary vessels Atelectasis = Collapse of previously inflated alveoli Emphysema = Overinflation of alveoli with destruction of walls Ruptured Pulmonary Aneurism = Large abscess erodes major pulmonary vessel
Match the causes with their respective conditions:
Complete airway obstruction = Acquired atelectasis Tympany = Pulmonary compression Incomplete obstruction of bronchi = Emphysema Left-sided heart failure = Pulmonary Congestion
Match the terms with their histological features:
Heart failure cells = Alveolar macrophages filled with hemosiderin Congested capillaries = Fluid and erythrocytes escape into the alveolar space Atelectasis = Meaty appearance of the lung Emphysema = Enlargement and rupture of alveolar walls
Match the descriptions with their related processes:
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Match the characteristics with their corresponding condition:
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Study Notes
Pulmonary Congestion
- Passive accumulation of blood in pulmonary vessels and capillaries
- Often results from heart failure (left side)
- Grossly appears as a diffuse red discoloration of all pulmonary lobes except cranial margins
- Lung edema is present
- Histology reveals "Heart failure cells" within alveoli. These are alveolar macrophages filled with hemosiderin
- Alveolar macrophages engulf hemosiderin which is released from the lysis of red blood cells.
- Congested capillaries leak fluid and erythrocytes into the alveolar space, leading to edema and intra-alveolar hemorrhages.
Ruptured Pulmonary Aneurysm
- Large abscess erodes major pulmonary vessel
Abnormalitites of Inflation
- Collapsed (Atelectasis)
- Overinflated (Emphysema)
Pulmonary Atelectasis
- Loss of air content in previously inflated alveoli
- Can be acquired
- Causes include:
- Complete airway obstruction
- Pulmonary compression
- Grossly appears meaty (red and firm) and depressed in relation to adjacent normal lung tissue.
Pulmonary Emphysema
- Over-inflation of alveoli with destruction of walls
- Causes include:
- Incomplete obstruction of bronchi or bronchioles from foreign bodies or exudate, interfering with expiration
- Characterized by enlargement and rupture of alveolar walls.
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Description
This quiz covers key concepts related to pulmonary pathology, including pulmonary congestion, ruptured pulmonary aneurysm, and atelectasis. It also delves into the histological features and causes of these conditions, providing a comprehensive understanding of lung abnormalities. Perfect for students studying respiratory diseases and conditions.
