CNSC Exam Review Questions With New Update Solutions

CNSC Exam Review Questions With New Update Solutions /. 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 - 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 - 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) - Answer-d. grams per 24 - hour nutrient infusion (e.g. 225 g/day) /.All of the following are considered to be mandatory for the PN order form EXCEPT a. general statement warning of the potential for PN formulation incompatabilities b. contact number for the person writing the order c. hangtime guidlines d. recommended PN laboratory tests - Answer-d. recommended PN laboratory tests /.According to the ASPEN Safe Practice Guidelines, the following are strongly recommended for inclusion on the PN label except a. route of administration b. dose of macronutrients for 24 hours c. dosing weight d. location of venous access device - Answer-d. location of venous access device /.What is the nutritional value of the following PN formula? 1000 mL 30% dextrose, 800 mL 15% amino acids, 200 mL 20% IVFE. a. 1352 kcal, 200 g carbohydrate, 68 g protein, 40 g fat b. 1692 kcal, 300 g carbohydrate, 68 g protein, 40 g fat c. 1900 kcal, 300 g carbohydrate, 120 g protein, 40 g fat d. 2000 kcal, 300 g carbohydrate, 120 g protein, 50 g fat - Answer-c. 1900 kcal, 300 g carbohydrate, 120 g protein, 40 g fat /.A patient is receiving 65 mL/hr of 7.5% amino acids and 17.5% dextrose of a 2-in-1 PN solution in addition to 250 mL of 20% IVFE. What is the daily caloric content of this regimen? a. 1345 kcal/day b. 1395 kcal/day c. 1846 kcal/day d. 1896 kcal/day - Answer-d. 1896 kcal/day /.What significant benefit has hypocaloric PN support shown in ICU patients with obesity? a. reduction in mortality b. reduction in length of stay in ICU c. Reduction of days on insulin therapy d. reduction in ventilator days - Answer-d. reduction in ventilator days /.Which of the following in an absolute indication for the use of PN? a. high output fistula b. Crohn's disease c. pancreatitis d. hyperemesis gravidarum - Answer-a. high output fistula /.In patients with ulcerative colitis, the use of PN as a primary treatment has been shown to be a. of no benefit in influencing the disease response b. effective in reducing the inflammatory response c. effective in reducing both operative and mortality rate d. more effective than intravenous methylprednisolone in reducing the disease response - Answer-a. of no benefit in influencing the disease response /.When is PN indicated in severe burn patients? a. total body surface area burn exceeds 20% b. as soon as possible after admission due to extremely high caloric needs c. EN is contraindicated or unlikely to meet nutrition needs d. within 7-10 days after hospital admission - Answer-c. EN is contraindicated or unlikely to meet nutrition needs /.The routine use of perioperative PN is indicated for patients who are a. normally nourished