Central Lines

Question 1

What is the difference between TPN and PPN?

Answer 1

TPN: Central Line
Long term
More hypertonic

PPN: Any line
Short term
Less hypertonic
Less nutritious

Question 2

If a pts TPN isn’t ready what can we replace it with?

Answer 2

10—20% Dextrose

Question 3

How often is tubing for TPN replaced?

Answer 3

New bag=new tubing
–Per policy–

Question 4

What is necessary to have on tubing for every infusion of TPN and PPN?

Answer 4

Filter

Question 5

What is the only med that can be added to TPN?

Answer 5

Insulin

Question 6

How long are TPN and PPN solutions good for?

Answer 6

24 hours

Question 7

How long must IV fluids be turned off before blood can be drawn from central line?

Answer 7

1 minute

Question 8

How much blood is wasted from central line before lab samples are obtained?

Answer 8

5—8 ml

Question 9

Which port of central line is used for TPN?

Answer 9

Medial

Question 10

Which port is used for blood admin on central line?

Answer 10

Distal (largest)

Question 11

Which port is used for meds and fluids on central line?

Answer 11

Most proximal