Quark Spiro introduces a modular solution for bronchial challenge and airways resistance tests that include three flowmeter configurations (digital turbine, single use pneumotach flowsafe, & multi-use pneumotach Flowsafe X9), Full Spirometry testing (FVC, SVC, MVV), integrated dosimeter for accurate and easy bronchial challenge tests, airways resistance (Rocc) and Integrated SpO2 monitor, and Advanced software for real time management of results. In addition, it includes forced/Slow vital capacity, maximum voluntary ventilation, respiratory pattern, bronchial challenge test (Pre-Post), and Bronchila Dilator Test.