CRNI Parenteral Nutrition Administration 2

Question 1

What is the maximum recommended rate for initiating total parenteral nutrition in an adult patient?

Accepted Answer

25-50% of goal rate for the first 24 hours

Answer

Full rate immediately

Answer

10 mL/hr for the first 48 hours

Answer

Match the rate to the patient's oral intake

Question 2

Which filter size is required for 3-in-1 (total nutrient admixture) parenteral nutrition containing lipids?

Accepted Answer

1.2-micron filter

Answer

0.22-micron filter

Answer

5-micron filter

Answer

No filter is required

Question 3

A patient's TPN is abruptly discontinued. What is the immediate nursing concern?

Accepted Answer

Rebound hypoglycemia

Answer

Fluid overload

Answer

Hypernatremia

Answer

Metabolic alkalosis

Question 4

What electrolyte must be closely monitored during the first 72 hours of TPN initiation in a malnourished patient?

Accepted Answer

Phosphorus

Answer

Sodium

Answer

Chloride

Answer

Bicarbonate

Question 5

Why must parenteral nutrition solutions be administered through a dedicated lumen?

Accepted Answer

To prevent contamination, incompatibilities, and interruptions that affect glucose delivery

Answer

To maintain accurate calorie delivery records

Answer

Because PN solutions are too viscous for shared lumens

Answer

It is a preference, not a requirement

Question 6

What is the maximum hang time for a lipid-containing parenteral nutrition solution?

Accepted Answer

24 hours

Answer

12 hours

Answer

48 hours

Answer

72 hours