NCLEX Examination.
Practice Question # 736.
Nclex examination
Parenteral nutrition (PN)
Parenteral nutrition (PN) Administration of a nutritionally complete formula through a central or peripheral intravenous (IV) catheter. In the clinical setting, the term PN may be used interchangeably with the term total parenteral nutrition (TPN) or hyperalimentation.
Description
- Supplies nutrients via the veins
- Supplies carbohydrates in the form of dextrose, fats in anemulsified form, proteins in the form ofamino acids, vitamins, minerals, electrolytes, and water
- Prevents subcutaneous fat and muscle protein from being catabolized by the body for energy
Indications
- Clients with severely dysfunctional or nonfunctional gastrointestinal tracts who are unable to process nutrients may benefit from PN.
- Clients who can take some oral nutrition, but not enough to meet their nutrient requirements, may benefit from PN.