You can move between questions either by using the ‘Next’ and ‘Previous’ buttons at the bottom of the page or by selecting the question you wish to go to in the question tab bar at the top of the page. In order to move between sets of 10 questions, select the arrows either side of the question tab bar.
Questions that have been viewed but not completed will display with a circle outline in against the corresponding question in the questions tab bar and questions that have been completed will be filled in circles.