Pulmonary Pathology Quiz
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Questions and Answers

Match the pulmonary conditions with their descriptions:

Pulmonary Congestion = Passive accumulation of blood in pulmonary vessels Ruptured Pulmonary Aneurism = Large abscess erodes major pulmonary vessel Atelectasis = Collapsed alveoli due to loss of air content Emphysema = Overinflation of alveoli with destruction of walls

Match the causes of acquired atelectasis with their types:

Complete airway obstruction = Type of acquired atelectasis Pulmonary compression = Loss of air content in previously inflated alveoli Tympany = A form of pulmonary compression causing atelectasis Hydrothorax = A condition affecting lung inflation

Match the histological findings with their significance in pulmonary conditions:

Heart failure cells = Alveolar macrophages filled with hemosiderin Fluid escape = Leads to edema and intra-alveolar hemorrhages Congested capillaries = Accumulation of blood in pulmonary vasculature RBC lysis = Releases hemosiderin into the alveolar space

Match the characteristics with the respective pulmonary conditions:

<p>Pulmonary Congestion = Diffuse red discoloration of all pulmonary lobes Atelectasis = Lung appears meaty and firm Emphysema = Characterized by enlargement and rupture of alveolar walls Ruptured Aneurism = Involves major pulmonary vessel erosion</p> Signup and view all the answers

Match the pulmonary symptoms with their associated conditions:

<p>Lung edema = A symptom of pulmonary congestion Airway obstruction = Can lead to pulmonary atelectasis Intra-alveolar hemorrhages = Associated with severe pulmonary congestion Overinflated alveoli = Characteristic of emphysema</p> Signup and view all the answers

Study Notes

Pulmonary Congestion

  • Passive accumulation of blood in pulmonary vessels and capillaries.
  • Often a result of heart failure (Left Side)
  • Grossly:
    • Diffuse red discoloration of all pulmonary lobes.
    • Except cranial margins.
    • Lung edema.
  • Histology:
    • HEART FAILURE CELLS within the alveoli (alveolar macrophages filled with hemosiderin).
    • Congested capillaries escape fluid and erythrocytes into the alveolar space.
    • Edema and intra-alveolar hemorrhages lead to RBCs lysis and releases hemosiderin.
    • Hemosiderin is phagocytized by alveolar macrophages "Heart failure cells".

Ruptured Pulmonary Aneurysm

  • Large abscess that erodes major pulmonary vessel.

Abnormalities of Inflation

  • Collapsed (Atelectasis) - The previously inflated alveoli loss their air content.
  • Overinflated (Emphysema) - Over inflation of alveoli by air with destruction of walls.

Acquired Atelectasis

  • Causes:
    • Complete airway obstruction
    • Pulmonary compression:
      • Tympany
      • Hydrothorax
      • Traumatic pericarditis.
  • Grossly:
    • Lung show a meaty appearance (red and firm)
    • Depressed in relation to the adjacent normal.

Pulmonary Emphysema

  • Causes:
    • Incomplete obstruction of bronchi or bronchiole (foreign body or exudate) interfere with the expiration.
    • Characterized by enlargement and rupture of the alveolar walls.

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Description

Test your knowledge on pulmonary congestion, aneurysms, and abnormalities of inflation. This quiz covers key concepts such as heart failure cells, atelectasis, and emphysema. Ensure you're familiar with the histological and gross features of various pulmonary conditions.

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