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Which of the following is not a factor influencing pulmonary excretion?(a) Pulmonary blood flow(b) The solubility of volatile substance(c) Rate of respiration(d) Heart rateThis question was addressed to me in a national level competition.This question is from Drugs Excretion in section Prodrugs & Excretion of Drugs of Drug Biotechnology

Answer»

Correct choice is (d) Heart rate

To ELABORATE: Heart rate does not DIRECTLY influence the pulmonary excretion. Though it might be a factor influence is very less. The other three factors are directly RELATED to the LUNGS and the rate of absorption of the drug from the lungs and out of the lungs BACK to alveoli.



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