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Chapter 100. Parenteral Nutrition

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Which one of the following is an appropriate indication for PN?

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A. Severe malnutrition with a functional GI tract

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B. Intentional weight loss

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C. Fluid and electrolyte deficits

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D. Short-bowel syndrome

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E. Well-nourished patient, NPO × 3 days

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Which of the following commercially available concentrations of IV lipid emulsions is FDA approved ONLY for infusion in a TNA (ie, should not be directly infused into the patient or via Y-site)?

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A. 2%

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B. 10%

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C. 15%

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D. 20%

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E. 30%

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What is the maximum recommended osmolarity for a PN admixture that is administered via a peripheral vein (ie, peripheral PN, or PPN)?

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A. 300 mOsm/L

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B. 500 mOsm/L

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C. 900 mOsm/L

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D. 1500 mOsm/L

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E. 2000 mOsm/L

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Which of the following is an advantage of TNAs (total nutrient admixtures) over 2-in-1 PN formulations?

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A. Stability is improved with TNAs.

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B. Visual inspection is easier with TNAs.

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C. A 0.22- micronbacterial retention filter may be used with TNAs.

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D. A greater number of medications are compatible with TNAs.

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E. Vein irritation is decreased with TNAs.

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Which of the following actions will INCREASE the likelihood of calcium-phosphate precipitation in PN admixtures?

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A. Refrigerating the PN bag

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B. Use of calcium chloride as the calcium salt

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C. Separating the addition of calcium and phosphate salts when compounding

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D. Decreasing the pH of the PN solution

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E. All of the above

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Which of the following is a potential advantage of standardized, commercially available (premixed) PN formulations available in the United States?

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A. They contain high concentrations of amino acids.

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B. There are ...

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