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CNSC Exam Review IIA Questions
with Detailed Verified Answers (100%
Correct Answers) /Already Graded
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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
Ans: 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
Ans: 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?
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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)
Ans: 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
Ans: 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
Ans: d. location of venous access device
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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
Ans: 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
Ans: 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