Which of the following methods is used for calculation of anatomical dead space?
Correct Answer: Single breath nitrogen test
Description: Ans: D. Single breath nitrogen test(Ref: Ganong 25/e p633, 634, 24/e p633, 634)Anatomical dead space - Calculation:By Bohr's equation - Uses single breath nitrogen inhalation technique.Xenon/Helium dilution technique:Used to measure functional residual capacity of lung.Spirometry:Cannot measure residual or dead space volumes.
Category:
Physiology
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