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CNSC- Parenteral Nutrition Exam Questions and Answers
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CNSC- Parenteral Nutrition Exam Questions and Answers
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CNSC- Parenteral Nutritiona prego pt is admitted with hyperemesis gravidarium. What is an indication for TPN? - Answer -
Intolerance of EN trial and supportive care
Rapid administration of IV kphos can lead to - Answer -thrombophlebitis
What is the MC complication of PN? - Answer -hyperglycemia
What additive has the greatest risk of destabilizing the IV fat emulsion in a total nutrient admixture? -
Answer -iron dextran
What is a facotr associated with prescribing errors related to PN formulations? - Answer -calculation of
PN dosages
What is the best method to express dextrose content on the label of a PN formulation in order to avoid
misinterpretation? - Answer -grams per 24 hour infusion eg: 225g/d
What is not considered mandatory for a PN order? - Answer -Recommended PN lab tests
What doesnt have to be included on the PN label? - Answer -location of venous access device
, What is the nutritional value of: 2.4L with 300g dextrose, 90 g AA, 225ml 20% IVF - Answer -1830 cal, 90
g pro, 45 g fat, 2625 mL
a pt who weighs 75kg is receiving 65 ml/hr of 2-in-1 PN solution containing 117g protein and 273 g dex
+250ml 20% IVF. What is the daily caloric content of this regimen per kg body wt? - Answer -
468/928/500=1896 total cal /75kg=25.3
in critically ill obese pt, what is the best way to estimate calorie and protein needs? - Answer -22-25
cal/kg IBW and at least 2g/kg protein
What is a strong indicator for PN? - Answer -high output fistula
When is PN indicated in severe burns? - Answer -When EN is contraindicated or unlikely to meet
nutritional needs
Routine use of perioperative PN is indicated for patients with a non-functioning GI tract who are -
Answer -severely malnourished
What is a strong indication for PN in a cancer patient? - Answer -abdominal tumor resulting in an
unresolved small bowel resection for greater than seven days
When should PN be started in Crohns? - Answer -When pt fails EN
Current recommendations regarding safe administration of IV lipids include.. - Answer -IVFE hang time
up to 24 hrs when included as park of a total nutrient admixture
* decreased to IVFE hang time to 12 hrs when seperate
What is the most appropriate distal catheter tip placement of a PICC? - Answer -superior vena cava
What is a disadvantage of a PICC? - Answer -high risk of catheter malposition
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