A Subject Has Her DLCOsb Measured as 10

question 9

Multiple Choice

A subject has her DLCOsb measured as 10.1 ml CO/min/mm Hg (STPD) ;her diffusing capacity measured by the DLCOrb is 9.1 ml CO/min/mm Hg (STPD) .These findings are consistent with:

• A) Normal lung function
• B) Normal difference in a subject with restriction
• C) An improperly calibrated He analyzer
• D) The inability to breath hold near TLC

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