Pulmonary Pathology Overview
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Questions and Answers

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:

<p>Pulmonary edema = Escape of fluid into alveolar space Intra-alveolar hemorrhages = Release of erythrocytes in the alveoli Macrophage phagocytosis = Clearing hemosiderin in heart failure Erosion of vessels = Resulting from ruptured pulmonary aneurism</p> Signup and view all the answers

Match the characteristics with their corresponding condition:

<p>Diffuse red discoloration = Pulmonary Congestion Depressed lung appearance = Acquired atelectasis Destruction of alveolar walls = Emphysema Erosion of major vessels = Ruptured Pulmonary Aneurism</p> Signup and view all the answers

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.

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