So I can access and answer that particular question instead of searching for it again in the "unanswered' tab.
You can do it by favoriting a question.
There is a star icon below the down arrow button on the left side of each question. You can see it here as well. Just click it and this question will be added into your favorite question list.
Now, whenever that favorited question is modified (edited, answered, or reopened etc), you will see a count on favorites tab on your profile page. Like this,
When you open this tab, you will see highlighted question(s) which were updated since you last visited this tab.
You can unfavorite that question anytime by clicking that star icon again.
You can search your favorite questions by typing
infavorites:mine in the search bar.
More information about Favorite Questions can be found here.