What Is a Tension Pneumothorax

What is a tension pneumothorax?

A) A condition in which air exists in the pleural cavity but does not progressively accumulate, causing only a partial lung collapse.
B) A condition in which blood and air collects in the pleural cavity and causes a pressure build-up and difficulty breathing.
C) A condition in which a tear in the lung tissue causes blood to collect in the pleural cavity and causes a partial lung collapse.
D) A condition in which air progressively accumulates in the pleural cavity, cannot escape, and causes a life threatening pressure build-up in the chest.