A nurse is participating in a patient's care conference and the team is deciding between parenteral nutrition (PN) and a total nutritional admixture (TNA). What advantages are associated with providing TNA rather than PN?
A) TNA can be mixed by a certified registered nurse.
B) TNA can be administered over 8 hours, while PN requires 24-hour administration.
C) TNA is less costly than PN.
D) TNA does not require the use of a micron filter.
Ans: C
Feedback:
TNA is mixed in one container and administered to the patient over a 24-hour period. A 1.5-micron filter is used with the TNA solution. Advantages of the TNA over PN include cost savings. Pharmacy staff must prepare both solutions.
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