NR 452 AB Combo and Pharm what is montelukast (singular) for? a leukotriene modifier, and is taken on a regular basis, once a day, and not prn, and is not used for exercise induced asthma what does advance directives contain? written instructions regarding end of life care what is the greatest risk to a pt receiving hemodialysis? disequilibrium syndrome as a result of rapid loss of fluids and decrease bun what is the clinical manifestation of disequilibrium? restlessness and decreased le...