CNSC Exam Review IIA questions with correct answers

Which of the following additives has the greatest risk over time of destabilizing the intravenous fat emulsion (IVFE) in a total nutrient admixture (TNA)? a. sodium chloride b. calcium acetate c. iron dextran d. potassium phosphate CORRECT ANSWER c. iron dextran Which of the following factors has been associated with an increase ion prescribing errors related to PN formulations? a. standardized PN order form b. calciulation of PN dosages c. PN components ordered as amount per day d. PN components listed in same sequence on order form as PN label CORRECT ANSWER b. calculation of PN dosages According to the ASPEN Safe Practices Guidelines, which of the following is the best method to express the dextrose content on the label of a PN formulation in order to avoid misinterpretation? a. volume of the percent of original concentration added (e.g. 500 mL of 50% dextrose) b. grams per liter (e.g. 250 g/L) c. percent of final concentration after admixture (e.g. 35% dextrose) d. grams per 24-hour nutrient infusion (e.g. 225 g/day) CORRECT ANSWER d. grams per 24 - hour nutrient infusion (e.g. 225 g/day)