If you have completed all items in a block, the red End Block button on the toolbar at the bottom of the screen changes to a green arrow. At this point, you may review your answers or return to marked items by clicking the sequence numbers on the navigation bar. If you would like to exit a block before the allotted time has run out, click the End Block button. One of the two warnings shown will appear. To return to the test and complete the items, click the Remain in Block button. To exit the block, click the End Block button. Once you have exited a block, you will NOT be able to go back and review these items or your responses to them.