<qa>  What was the test tubes in their hands?At the end of ten minutes waiting period with the test tubes in their hands, each subject was given another ASRS form to record their symptoms one more time. They were also instructed to rate their symptoms on a zero to ten scale. Then the monitors ushered them to different examiners to check the NST and radial pulse one more time, while still holding the test tubes in their hands. The results were recorded in a separate paper and the monitors collected the results and sent for analysis. 