Indeed, and it isn't practiced enough in my opinion. Probably because it is a time consuming exercise! The problem here is that crews become unfamiliar with the memory items and omitt many when put to the test. In my opinion we are all very good at the 'engine fire or severe damage or seperation' stuff (repeated every 6 months) but crap with most others. History suggests that pressurisation issues are more likely than engine malfunction on the 737. The pressurisation system is it's weakness