Vitamins, TPN, and Electrolytes Blackboard Quiz

125 g of protein given as 20% Aminosyn requires how many mL

625 mL

Amount of sodium needed in a 1560 mL TPN bag to resemble ½ NS

120 mEq

Macronutrient caloric values

Protein = 4 kcal/g; Fat = 10 kcal/g; Carbohydrates = 3.4 kcal/g

Best nutrition option for a patient with SBO, NG suction, and sepsis

Parenteral Nutrition

Effect NOT associated with overfeeding

Loss of lean tissue mass

Electrolyte that must be corrected for hypoalbuminemia

Calcium

Reason protein may be restricted in TPN

Elevated liver enzymes

Phosphorus supplementation needed for 112-kg patient at 0.16 mmol/kg

18 mmol Na Phos

Filter used to reduce particulate matter in a 3-in-1 TPN solution

1.2 micron inline filter

Organ responsible for absorbing most nutrients

Small intestine

Trace element NOT contained in Tralement®

Chromium

Best feeding option for stroke patient failing swallow study

Enteral Nutrition

Phosphate is the major extracellular anion

False

Amount of SMOFlipid (20%) needed if 664 kcal from fat are required

332 mL

Meal that will move slowest through GI tract

8 oz ribeye steak and creamed spinach

Macronutrient most likely to cause encephalopathy in liver dysfunction

Protein

Correct macronutrient energy value

Amino acids provide 4 kcal/g

Serum osmolarity equation

(Na × 2) + (glucose ÷ 18) + (BUN ÷ 2.8)

Daily protein goal for a 112-kg patient at 1.5 g/kg/day

170 g

Hyperkalemia complication

Heart block

Estimated caloric needs for trauma/post-operative patient

30 kcal/kg/day

Typical macronutrient distribution of calories

25% fat; 25% protein; 50% carbohydrate

Electrolytes with highest precipitation risk in TPN

Calcium gluconate + sodium phosphate

Advantage NOT associated with central PN administration

Lower incidence of infectious complications

Macronutrient absorbed in mouth, stomach, and small intestine

Fat

Three macronutrients providing calories in TPN

Fat, protein, carbohydrate

TPN rate needed to infuse remaining 585 mL over 11 hours

54 mL/hr

Daily calorie goal for a 112-kg patient at 30 kcal/kg/day

3360 kcal