BIOL331 / BIOL 331 Module 5 (Latest Update 2026 / 2027) Pathophysiology | Questions & Answers | Grade A | 100% Correct - Portage Learning

BIOL331 / BIOL 331 Module 5
(Latest Update )
Pathophysiology | Questions &
Answers | Grade A | 100% Correct -
Portage Learning

Pulmonary Disorders




Question:
Pneumothorax def:
Answer:
Presence of air in the pleural space


-Causes partial or complete collapse of the affected lungs

,Question:
3 types of pneumothorax:
Answer:
Spontaneous
Traumatic
Tension




Question:
Spontaneous pneumothorax usually caused by:
Answer:
Rupture of alveoli or an air-filled bleb on the surface of the lung.




Question:
Spontaneous pneumothorax in healthy people usual demographic:


Why?
Answer:
-Tall boys and men, 10-30 years old.


Difference in pleural pressure from top to bottom is greater in tall people and
contributes to the development of blebs.

,Question:
Spontaneous pneumothorax in people with lung disease:
Answer:
Trapping of gas can occur, leading to pneumothorax.




Question:
Traumatic pneumothorax results from:
Answer:
Penetrating chest wound or rib fracture that punctures the lung.
-Hemothorax may also be present.




Question:
Potential causes of traumatic pneumothorax:
Answer:
-Transthoracic needle aspirations
-Central line insertion
-Intubation
-Positive pressure ventilation
-CPR

, Question:
Tension pneumothorax caused when:


What happens to the structures?
Answer:
Air enters the pleural space but cannot exit, like penetrating chest wound.


Collapses lung on affected side and causes compression of mediastinal
structures.




Question:
Pneumothorax clinical presentations


Spontaneous:
Answer:
-Chest pain on affected side
-Increased respiratory rate
-Difficulty breathing
-Breath sound absent or decreased on affected side