Yes, check out the Adanced Features section of the users guide or online here:

www.empirisoft.com/medialab/help/advanced_features.htm
www.empirisoft.com/medialab/help/complex_skips.htm

You could track the answers and set up some conditional logic in Excel to create a skipto value when the appropriate answers have been answered correctly.

There is a sample I recently posted that illustrates this kind of conditional logic in Excel. In case it helps, here is the link:

www.empirisoft.com/support/showthread.php?t=1475