In Masters level, typically, if you take 6 credits or less your status is considered part time. If you take 9 or more credit hours, then it is considered full time. It does not matter how many courses you take, what counts is the number of credit hours.
Pastrami is a smoked corned beef. If you buy corned beef you can make your own pastrami any afternoon. Of course, you can make your own Homemade Corned Beef if you have 3 weeks to let it cure.
The better option for a patient presenting with new back pain? Basic, less sexy solutions, such as exercise, over-the-counter painkillers, and time. Most low back pain problems will clear up with basic treament in four to six weeks, rendering an early MRI, CT scan, or X-ray unnecessary. Of course, some problems don't resolve.