An open pneumothorax occurs when:
A. a fractured rib perforates the tissue of the lung.
B. air enters the pleural space from outside the body.
C. extreme pleural pressure causes the lung to rupture.
D. air enters the pleural space from a perforated lung.
Answer: B. air enters the pleural space from outside the body.
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Give the correct abbreviation for the following
Decigram ________ Fill in the blank(s) with correct word