TPN-IV Quiz
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- 1.TPN is the provision of nutrients intravenously in sufficient amounts to:
- A.
Achieve catabolism
- B.
Generate formation of ketone bodies
- C.
Achieve anabolism
- D.
Create necessary branched chain amino acids to stimulate hyperosmolar syndrome
- 2.Total parenteral nutrition is also occasionally referred to as which of the following?
- A.
Hypodermoclysis, hyperalimentation, or hyperal
- B.
Intravenous hyperalimentation (IVH), hyperal, or hypodermoclysis
- C.
Hyperalimentation, hypodermoclysis, or intravenous hyperalimentation
- D.
Hyperal, hyperalimentation, or intravenous hyperalimentation
- 3.Which of the following are common indicators for TPN therapy?
- A.
Coma, citrate toxicity, and bowel surgery
- B.
Renal failure, prolonged ileus, and gastrocutaneous fistulas
- C.
Hepatic failure, hypermetabolic states, and malabsorption of enteral therapy
- D.
Filtration, multiple trauma, and conditions requiring bowel rest
- 4.What is the most common carbohydrate used for TPN?
- A.
Dextrose
- B.
Fructose
- C.
Invert sugar
- D.
Lactose
- 5.What is the source of protein used in TPN?
- A.
Alpha globulins
- B.
Casein amino acids
- C.
Free amino acids
- D.
Immunoglobulins
- 6.What substances are generally added to total parenteral nutrition solutions?
- A.
Electrolytes, trace elements, and vitamins
- B.
Antifungal agents, electrolytes, and vitamins
- C.
Electrolytes, antihistamine antagonists, and vitamins
- D.
Citrate preservative, electrolytes, and vitamins
- 7.Which of the following is indicated to treat essential fatty acid deficiency?
- A.
50% dextrose
- B.
Branched chain amino acids
- C.
Lipids
- D.
Selenium
- 8.A solution of three-in-one refers to the combination in one container of which of the following?
- A.
Lipids, dextrose, and amino acids
- B.
Lipids, heparin, and electrolytes
- C.
Lipids, vitamins, and trace elements
- D.
Lipids, electrolytes, and amino acids
- 9.Which one of the following statements accurately reflects principles of peripheral parenteral nutrition?
- A.
Designed for acutely stressed patients
- B.
Used for therapies of 6 to 12 weeks
- C.
Crystalline amino acids used are within the 2-5% range
- D.
Standard dextrose concentration is usually 20%
- 10.Which of the following statements accurately reflect principles of central venous parenteral nutrition?
- A.
It is useful for long-term therapy
- B.
It is indicated for patients with low calorie and nutrient needs
- C.
The 1800-2000 mOsm/kg concentration range frequently causes phlebitis
- D.
Lipid administration is done only IVPB
- 11.The regimen of time for the delivery of cyclic TPN therapy is usually how many hours?
- A.
2-4
- B.
6-10
- C.
8-12
- D.
12-18
- 12.What is a vital nursing consideration when infusing parenteral nutrition solutions?
- A.
They may be infused by gravity flow
- B.
Flow rate adjustments are necessary to compensate for past increases or decreases
- C.
Initial infusions should begin slowly with incremental increases until desired infusion rate is achieved.
- D.
Weaning is not required when therapy is discontinued
- 13.
- A.
Sepsis, glucose intolerance, and electrolyte imbalances
- B.
Cachexia, glucose intolerance, and essential fatty acid deficiency
- C.
Lipoid nephrosis, glucose intolerance, and electrolyte imbalances
- D.
Glucose intolerance, electrolyte imbalances, and essential fatty acid deficiency
- 14.The reversal of a hyperglycemic, hyperosmolar, nonketonic coma secondary to TPN requires the administration of:
- A.
Anticoagulants
- B.
Histamine blockers
- C.
Insulin
- D.
Sodium lactate
- 15.Dry-scaling skin, thinning hair, thrombocytopenia, and liver function abnormalities are clinical manifestations of what condition?
- A.
Essential fatty acid deficiency
- B.
Hyperlipemia
- C.
Hyperosmolar syndrome
- D.
Hypoglycemia
- 16.What is the primary cause of TPN-related sepsis?
- A.
Fibrin sheath formation
- B.
Intrinsic contamination of nutrient solution
- C.
Migration of microorganisms along the catheter
- D.
Seeding from other infection source in the body
- 17.Which of the following filter porosity ratings is appropriate for use with three-in-one nutrient solutions?
- A.
0.22u
- B.
1.2u
- C.
2.5u
- D.
5u
- 18.The administration set used for the infusion of TPN solutions should be changed according to what schedule?
- A.
With each container of fluid
- B.
Every 24 hours
- C.
Every 48 hours
- D.
Every 72 hours
- 19.Which of the following is a nursing consideration specific to the intravenous administration of lipids?
- A.
Monitoring lipemia clearance on a weekly basis
- B.
Using only central venous access for the infusion
- C.
Testing urine for glycosuria every 6 hours
- D.
Using non-PVC tubing
- 20.Lipid therapy is contraindicated when which of the following conditions are present?
- A.
Cancer cachexia and pathologic hyperlipemia
- B.
Lipoid nephrosis and lipatrophia
- C.
Pathologic hyperlipemia and lipoid nephrosis
- D.
Thrombocytopenia and lipoid nephrosis
- 21.What is the appropriate area for preparing TPN solutions?
- A.
In the central supply department
- B.
Under a laminar flow hood in the pharmacy
- C.
In a clean medication room on the nursing division
- D.
At the patient's bedside
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