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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
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