Sudden exposure to an atmospheric pressure of 100 mmHg (13 kPa), as might occur with loss of aircraft cabin pressure at around 15000 m altitude, causes

A. True Ambient pressure drops much faster than middle ear pressure.

B. True This is a manifestation of decompression sickness.

C. False More than half of the total alveolar pressure will be taken up by carbon dioxide and water vapour.

D. True This must happen from Boyle’s law.

E. False Sudden severe hypoxia of this order causes unconsciousness in less than a minute.