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1. Which of the following nutrients are typically included in a total
parenteral nutrition (TPN) solution?
a. Carbohydrates, fats, and proteins
b. Electrolytes and vitamins
c. Amino acids and dextrose
d. All of the above
Answer: d. All of the above
Rationale: TPN solutions contain carbohydrates (dextrose), proteins
(amino acids), fats, electrolytes, and vitamins to meet the nutritional needs
of the patient.
2. When would a patient be considered a candidate for TPN therapy?
a. Inability to tolerate oral or enteral nutrition
b. Severe malnutrition
c. Bowel obstruction
d. All of the above
Answer: d. All of the above
Rationale: Patients who are unable to tolerate oral or enteral nutrition,
have severe malnutrition, or have a bowel obstruction may require TPN
therapy to meet their nutritional needs.
3. Which of the following is a potential complication of TPN therapy?
a. Hyperglycemia
b. Hypokalemia
c. Hypophosphatemia
d. Hypotension
Answer: a. Hyperglycemia
Rationale: Hyperglycemia is a common complication of TPN therapy due
to the high concentration of dextrose in the solution.
4. What is the recommended method for administering TPN therapy?
a. Central venous catheter
b. Peripheral IV line
c. Nasogastric tube
d. Gastrostomy tube
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