Check this Currency Quiz (5 things you should know): 

1. If the US stock market rallies the US dollar SHOULD..  (ANSWER)

2. If the US current account deficit widens due to Japanese sell off of US treasures, the US dollar SHOULD..  (ANSWER)

3. In a surprise decision, the FED raises interest rates by 50 bp. The US dollar SHOULD..  (ANSWER)

4. If oil prices surge to record highs, what effect will this have on the US dollar?  (ANSWER)

5. An increase in unemployment numbers in the US will have what effect on the US dollar?  (ANSWER)