The liberal arts college of a university is simply the arm of that university that teaches courses in the liberal arts to all students of that university. Journalism is a professional field though often found in the English department. The others you mention would be among the liberal arts.
The fundamental principle for the use of vancomycin in dialysis patients is that the drug should only be administered when the plasma concentration is too low to be effective. However, guidelines for appropriate plasma sampling schedules are not available.
I don't know if this is true at all hospitals, but at one place I worked the physicans could do a 'pharmacy consult' for ABX where peaks and troughs were monitored (such as vanco). Here the pharmacist would monitor the levels and give dosage for the next dose of the medication. Drug companies had nothing to do with it.