What Is an Arterial Blood Gas Test? An arterial blood gas test, commonly known as an ABG, is performed on blood from an artery. It is used to see how well the lungs are functioning and to determine the effectiveness of respiratory therapies, such as the use of a ventilator, CPAP, BiPAP or oxygen.
Drop Date â is the last day in a semester when a student can withdraw from a course before course completion without having a grade assigned for the class. Students that are likely to fail a course may decide to drop (withdraw from) the course to avoid having a failing grade lower their overall grade point average.
Finally, review the questions in Deciding to Drop a Class before you make your final decision. Period I. First two weeks. 1  You may drop without additional charges or grading penalties anytime up through the end of the second week of classes in Fall or Spring.