1. What was Mercurius’ father’s name?

2. At which basilica was Mercurius priest?

3. Why did Mercurius change his name on becoming pope?

4. When was John II pope?

5. When did John II become pope?

6. Whom did John II excommunicate?

7. Which formula did John II approve?

8. Where did 217 bishops meet in 535?

9. When did John II die?

10. Which of the following is true of John II?