Exit markings must be positioned so that no point in the exit access is more than ___ from the nearest visible sign.

It is rare to find a privately owned hospital today

a True b False

A comparison of functional residual capacity measured by body plethysmography with that measured by

nitrogen washout reveals that the measurement obtained during the nitrogen washout test is less than that during body plethysmography. This discrepancy is most likely caused by which of the following? a. Poor technique c. Restrictive lung disease b. Severe air-trapping d. Directional valve malfunction