there are many references of the form "See Question n" (e.g., "See Question 15"), these are cross references to the previously-mentioned full-text questions. There is no limit to the number of cross references there may be to a single full-text question. When a cross reference appears within a given sub-topic, this means that at least one correct or incorrect choice to the question raises issues falling within that sub-topic. At the end of a "See Question n" reference, you will see a reference to one or more choices, this means that the particular choice(s) listed raises an issue falling within the sub-topic where the reference is placed"--