We studied the influence of autonomic nervous drugs upon broncho pulmonary function. Respiratory rates, tidal volume, oxygen uptake and minute breathing capacity were calculated by means of the spirogramsthus obtained.
The avarage values obtained by respiratory tests on normal rabbits were: respiratory rate 53.5 times, tidal volume 17.05cc, oxygen uptake 19.7cc, minute breathing capacity 943.5cc.
When epinephrine was injected, respiratory function showed a tendency of decrease.
When atropin was injected, it showed a tendency of increase.
With pilocalpin it showed the same tendency.
The spirograms obtained when pilocalpin, acetylcholine, histamin were injected suggested the existence of Air-trraping.
But we think that these results involve.
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