TPN Exam 1, Questions and answers, 2022/2023. 100% verified. Rated A

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TPN Exam 1, Questions and answers, 2022/2023. 100% verified. Rated A what is the purpose and indication of parental nutrition? - ✔✔the purpose of TPN is to deliver nutrients Indication are i... f pt. is unable to use GI tract and if they have a potential of developing malnutrition and nota candidate for enteral therapy what are the components of parental nutrition? - ✔✔-carbs, proteins, fats, vitamins, minerals, trace minerals what are the types of parental therapy? - ✔✔1. partial parental nutrition 2. Total parental nutrition what is partial parental nutrition? - ✔✔-needs to be administered through a large peripheral vein of the arm -administer throguh a PICC line -solutions: IV fat emulsions (lipid) and amino acids and dextrose (AA/D 300-900 m/osm) -AA/D = 2.1 mixture what is total parental nutrition? - ✔✔-administration through central veins -administered through PICC Line , subclavian, or internal jugular -solutions: synthetic AA/protein hydrolysate (3% to 5%) -osmolarity: 900-1800 mOsm -IVFE + AA/D = 3:1 what are some contraindications for TPN? - ✔✔-significant malnutrition; comprised renal/hepatic status -fluid restricted patients -phlebitis due to high solution osmolarity why is nitrogen balance important? - ✔✔because it is a sensitive indicator to know what protein is doing what is catabolism? - ✔✔destrictive phase; breaking down, state of starvation) what is anabolism? - ✔✔building protein --> wound healing what does a positive nitrogen balance mean? - ✔✔taking in more, retaining protein -anabolic state (net gain of protein) what does a negative nitrogen balance mean? - ✔✔when you have less protein -state of starvation (body needs more protein that what it has- body uses other sources of energy (catabolic state- state of starvation) what is a 2 in 1 mixture? - ✔✔dextrose and amino acids (in one bag) fat emulsions infused simultaneously (in bag #2) -IVEF are isotonic -use a 0.22 micronfilter (two filters, two pumps) what is a 3 in one mixture? - ✔✔-contains dextrose, AA's, and fat emulsions -milky white, opaque, faint yellow -components compounded aseptically in the pharmacy -less manipulation -less risk of ocntamination -less nursing time required -use 1.2 micron filter (all in one pump) [Show More]

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