Case study question and a problem?

[bighope]

Hi, EVERYONE
My NAPLEX test within 5 days, I just got Kaplan book today, and I found many questions I could not solve. For instance, these two questions I post. I do need an explanation for the answer.
Thanks for you help



I) Case study






II) a Problem


Units available in the pharmacy
Dextrose Injection:1 liter bags and 500 ml in 0.5 liter bottles and half filled bottles and bags with 1 to 3 liter capacity
Aminosyn II Ingection: 500 ml in 500 bottles

Aminosyn II 7%
D60W aa500 ml
Nacl 100 meq
Kcl 60 meq
Pot. Phosphate 20 meq
Na Bicarbonate 7.5% 50 ml
Calcium gluconate 100meq
Mg chloride 10meq
Insulin 30 units
MVI 5ML
MTE-5 2ML

Q1) THE APPROXIMATE FINAL CONCENTRATION OF DEXTROSE IN THE FINAL FORMULA
IS?
A- 30%
B- 60%
C- 7%
D- 3.5%
E- 6%

Q2) WHY AMINOPHLLINE IS INCOMPATIBLE? All I know IS THAT aminophylline is alkaline but the formula already contain Na HCO3 so NO PPT ?? I guess.

Q3) IF 125/HOUR IS INFUSED TO PATIENT, HOW MANY GRAMS OF AMINO ACIDS WILL BE INFUSED THROUGH THIS HOUR?