A patient complains about the placement of the total parenteral nutrition (TPN) line and asks why it cannot be inserted in the arm. What fact regarding the placement of this line should the nurse base a response on?
a. Arm would limit patient mobility.
b. Subclavian artery allows for ease in dressing the puncture site.
c. Arm prevents the use of large-bore can-nulas.
d. Subclavian artery allows for rapid dilution.
D
The rich TPN solution is rapidly diluted in the larger vessel, preventing phlebitis.
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