TPN VS PPN Review Exam Q & A 2026 (Complete And Verified Study material) (17pages) LEARNEXAMS

1. What is the key difference between Parenteral Nutrition (PN) and Total

Parenteral Nutrition (TPN)?

A. PN is given through the gastrointestinal tract, while TPN bypasses the

gastrointestinal tract

B. PN provides partial nutrition, while TPN provides complete nutrition

C. PN is used for short-term nutritional support, while TPN is used for

long-term nutritional support

D. PN is administered orally, while TPN is administered intravenously

Answer: A. PN is given through the gastrointestinal tract, while TPN

bypasses the gastrointestinal tract

Rationale: TPN is administered intravenously, bypassing the

gastrointestinal tract, while PN can be administered through various routes

including oral, enteral, or parenteral.

2. Which of the following is a common indication for using TPN over

PPN?

A. Severe malnutrition

B. Mild dehydration

C. Post-operative recovery

D. Short-term nutritional support

Answer: A. Severe malnutrition

Rationale: TPN is typically used in cases of severe malnutrition or when

the gastrointestinal tract is unable to absorb nutrients adequately.

3. What is the primary administration route for PPN?

A. Oral

B. Nasogastric tube

C. Central venous catheter

D. Peripheral vein

Answer: D. Peripheral vein

Rationale: PPN is administered through a peripheral vein, while TPN is

administered through a central venous catheter.

4. Which of the following nutrients is commonly included in TPN

formulations but may be limited or omitted in PPN?

A. Carbohydrates

B. Proteins

C. Lipids