3. A surgeon removed three adjacent bronchopulmonary segments from the left lung of a patient with TB. Almost half of the lung was removed, yet there was no severe bleeding and relatively few blood vessels had to be cauterized (closed off). Why was the surgery so easy to perform? (4 points). Answer:
4. After a week of scuba diving in the Bahamas, Mary Ann boards an airplane. During her flight home, she develops aching joints, nausea, and dyspnea which resolve during landing. During the flight, the cabin pressure was equivalent to an altitude of 8000 feet. Explain her problem. (4 points) Answer:
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