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