Total Parenteral Nutrition TPN-IV Quiz
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TPN is the provision of nutrients intravenously in sufficient amounts to:
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Achieve catabolism
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Generate the formation of ketone bodies
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Achieve anabolism
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Create necessary branched-chain amino acids to stimulate hyperosmolar syndrome
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Get ready for this "Total Parenteral Nutrition TPN-IV Quiz." Parenteral nutrition is the feeding of nutritional products to a person intravenously, bypassing the usual process of eating and digestion. It is used to help people who can't or shouldn't get their core nutrients from food; the person gets to receive nutritional formulae that contain nutrients and dietary minerals. Test your See moreunderstanding of this by taking the quiz below. Best of luck to you!
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- 2.
Which of the following are common indicators for TPN therapy?
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Coma, citrate toxicity, and bowel surgery
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Renal failure, prolonged ileus, and gastrocutaneous fistulas
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Hypermetabolic states, malabsorption of enteral therapy, and prolonged ileus
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Filtration, multiple trauma, and conditions requiring bowel rest
Correct Answer
A. Hypermetabolic states, malabsorption of enteral therapy, and prolonged ileusExplanation
Total Parenteral Nutrition (TPN) is used when patients cannot meet nutritional needs through the gastrointestinal tract. Common indicators include hypermetabolic states (e.g., severe burns, trauma, or sepsis), where energy demands are significantly increased. Malabsorption of enteral therapy occurs in conditions like short bowel syndrome or severe Crohn’s disease, preventing adequate nutrient absorption. Prolonged ileus, a condition where intestinal motility is impaired for an extended period, also necessitates TPN as the patient cannot tolerate oral or enteral nutrition, requiring intravenous nutritional support for sustenance.Rate this question:
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- 3.
What is the most common carbohydrate used for TPN?
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Dextrose
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Fructose
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Invert sugar
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Lactose
Correct Answer
A. DextroseExplanation
Dextrose is the most common carbohydrate used for Total Parenteral Nutrition (TPN) because it is easily absorbed by the body and provides a quick source of energy. It is a simple sugar that can be metabolized by all cells in the body and is commonly used in medical settings to provide nutrition to patients who are unable to eat or digest food orally. Fructose, invert sugar, and lactose are not as commonly used in TPN as dextrose.Rate this question:
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- 4.
What is the source of protein used in TPN?
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Alpha globulins
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Casein amino acids
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Free amino acids
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Immunoglobulins
Correct Answer
A. Free amino acidsExplanation
The source of protein used in TPN (Total Parenteral Nutrition) is free amino acids. TPN is a method of delivering nutrients directly into the bloodstream when a person is unable to consume food orally. Free amino acids are the building blocks of protein and can be easily absorbed by the body. By providing free amino acids, TPN ensures that the patient receives the necessary protein for their nutritional needs. Alpha globulins, casein amino acids, and immunoglobulins are not typically used as protein sources in TPN.Rate this question:
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- 5.
What substances are generally added to total parenteral nutrition solutions?
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Electrolytes, trace elements, and vitamins
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Antifungal agents, electrolytes, and vitamins
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Electrolytes, antihistamine antagonists, and vitamins
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Citrate preservative, electrolytes, and vitamins
Correct Answer
A. Electrolytes, trace elements, and vitaminsExplanation
Total parenteral nutrition (TPN) is a method of providing nutrients directly into the bloodstream when a person is unable to eat or absorb nutrients through the digestive system. TPN solutions typically contain electrolytes, trace elements, and vitamins. Electrolytes are essential for maintaining proper fluid balance and nerve function in the body. Trace elements are minerals that are required in small amounts for various physiological functions. Vitamins are organic compounds that are necessary for normal cell function, growth, and development. Therefore, adding electrolytes, trace elements, and vitamins to TPN solutions ensures that the patient receives the necessary nutrients to support their bodily functions.Rate this question:
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- 6.
Which of the following is indicated to treat essential fatty acid deficiency?
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50% dextrose
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Branched-chain amino acids
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Lipids
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Selenium
Correct Answer
A. LipidsExplanation
Lipids are indicated to treat essential fatty acid deficiency because they are a major source of essential fatty acids. Essential fatty acids are necessary for various physiological processes in the body, including the synthesis of hormones and cell membranes. Lipids, such as omega-3 and omega-6 fatty acids, are rich sources of these essential fatty acids. Therefore, supplementing with lipids can help correct the deficiency and ensure the proper functioning of the body.Rate this question:
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- 7.
Which one of the following statements accurately reflects principles of peripheral parenteral nutrition?
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Designed for acutely stressed patients.
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Used for therapies of 6 to 12 weeks.
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Crystalline amino acids used are within the 2-5% range.
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Standard dextrose concentration is usually 20%.
Correct Answer
A. Crystalline amino acids used are within the 2-5% range.Explanation
Peripheral parenteral nutrition (PPN) is a method of providing nutrition to patients who are unable to consume adequate nutrients orally or through enteral means. PPN is typically used for short-term therapies, usually lasting 6 to 12 weeks. The statement that crystalline amino acids used in PPN are within the 2-5% range is accurate. Crystalline amino acids are an essential component of PPN solutions and are typically formulated at concentrations within this range to meet the patient's nutritional needs. The standard dextrose concentration in PPN solutions is usually 20%, but this statement is not accurate in reflecting principles of PPN.Rate this question:
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- 8.
The regimen of time for the delivery of cyclic TPN therapy is usually how many hours?
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2-4
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6-10
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8-12
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12-18
Correct Answer
A. 12-18Explanation
The correct answer is 12-18 hours. This is the typical timeframe for the delivery of cyclic TPN therapy. Cyclic TPN therapy involves providing nutrients intravenously over a specific period of time, usually during the night while the patient is asleep. This allows the patient to have more freedom during the day and reduces the risk of complications associated with long-term TPN use. The 12-18 hour timeframe ensures that the patient receives adequate nutrition while still allowing for periods of fasting and normal eating during the day.Rate this question:
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- 9.
Potential TPN-associated metabolic complications include which of the following?
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Sepsis, glucose intolerance, and electrolyte imbalances
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Cachexia, glucose intolerance, and essential fatty acid deficiency
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Lipoid nephrosis, glucose intolerance, and electrolyte imbalances
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Glucose intolerance, electrolyte imbalances, and essential fatty acid deficiency
Correct Answer
A. Glucose intolerance, electrolyte imbalances, and essential fatty acid deficiencyExplanation
The correct answer is glucose intolerance, electrolyte imbalances, and essential fatty acid deficiency. Total parenteral nutrition (TPN) is a method of providing nutrition through intravenous feeding. Glucose intolerance can occur as a result of excessive glucose infusion, leading to hyperglycemia. Electrolyte imbalances can occur due to the imbalance in electrolytes provided in the TPN solution or due to fluid shifts. Essential fatty acid deficiency can occur if the TPN solution does not contain an adequate amount of essential fatty acids, which are necessary for normal physiological functions. These potential complications highlight the importance of carefully monitoring and adjusting TPN therapy to prevent adverse metabolic effects.Rate this question:
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- 10.
The reversal of a hyperglycemic, hyperosmolar, nonketotic coma secondary to TPN requires the administration of:
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Anticoagulants
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Histamine blockers
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Insulin
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Sodium lactate
Correct Answer
A. InsulinExplanation
In the case of a hyperglycemic, hyperosmolar, nonketotic coma secondary to TPN (total parenteral nutrition), the administration of insulin is necessary to reverse the condition. Insulin helps to lower blood glucose levels and promote the uptake of glucose by cells, thus improving the hyperglycemia. It also helps to prevent the production of ketones and corrects the imbalance in electrolytes caused by the hyperosmolarity. Anticoagulants, histamine blockers, and sodium lactate are not directly involved in the treatment of this condition, making insulin the correct answer.Rate this question:
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- 11.
Dry-scaling skin, thinning hair, thrombocytopenia, and liver function abnormalities are clinical manifestations of what condition?
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Essential fatty acid deficiency
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Hyperlipemia
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Hyperosmolar syndrome
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Hypoglycemia
Correct Answer
A. Essential fatty acid deficiencyExplanation
Dry-scaling skin, thinning hair, thrombocytopenia, and liver function abnormalities are clinical manifestations of essential fatty acid deficiency. Essential fatty acids are important for the health of the skin, hair, and liver. When there is a deficiency of these fatty acids, it can lead to dry-scaling skin, thinning hair, thrombocytopenia (low platelet count), and liver function abnormalities. Therefore, essential fatty acid deficiency is the most likely condition that can explain these clinical manifestations.Rate this question:
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- 12.
Which of the following filter porosity ratings is appropriate for use with three-in-one nutrient solutions?
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0.22u
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1.2u
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2.5u
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5u
Correct Answer
A. 1.2uExplanation
A filter with a porosity rating of 1.2u is appropriate for use with three-in-one nutrient solutions. This means that the filter has a pore size of 1.2 micrometers, which is small enough to effectively filter out any contaminants or particles that may be present in the nutrient solution. Using a filter with a smaller pore size ensures that the nutrient solution remains clean and free from any unwanted substances, allowing for optimal growth and health of plants or organisms that rely on the solution for nutrients.Rate this question:
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- 13.
The administration set used for the infusion of TPN solutions should be changed according to what schedule?
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With each container of fluid
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Every 24 hours
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Every 48 hours
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Every 72 hours
Correct Answer
A. Every 24 hoursExplanation
The administration set used for the infusion of TPN solutions should be changed every 24 hours. This is necessary to prevent the growth of bacteria and ensure the safety and effectiveness of the TPN solution. Over time, the administration set can become contaminated, leading to potential infection in the patient. Therefore, changing the administration set regularly helps maintain the integrity of the TPN solution and reduces the risk of complications.Rate this question:
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- 14.
Which of the following is a nursing consideration specific to the intravenous administration of lipids?
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Monitoring lipemia clearance on a weekly basis
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Using only central venous access for the infusion
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Testing urine for glycosuria every 6 hours
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Using non-PVC tubing
Correct Answer
A. Using non-PVC tubingExplanation
Using non-PVC tubing is a nursing consideration specific to the intravenous administration of lipids because lipids can interact with PVC tubing, causing leaching of plasticizers into the solution. This can lead to the formation of particles and emboli, which can be harmful to the patient if infused. Therefore, using non-PVC tubing is important to ensure the integrity and safety of the lipid infusion.Rate this question:
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- 15.
What is the appropriate area for preparing TPN solutions?
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In the central supply department
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Under a laminar flow hood in the pharmacy
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In a clean medication room on the nursing division
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At the patient's bedside
Correct Answer
A. Under a laminar flow hood in the pharmacyExplanation
Under a laminar flow hood in the pharmacy is the appropriate area for preparing TPN solutions because laminar flow hoods provide a sterile environment by filtering the air and removing contaminants. This is crucial for the preparation of TPN solutions, which require strict aseptic techniques to prevent contamination. The pharmacy is also equipped with the necessary equipment and supplies to accurately measure and mix the components of TPN solutions. Additionally, preparing TPN solutions in a controlled environment like the pharmacy allows for proper monitoring and quality control measures to ensure the safety and efficacy of the solutions.Rate this question:
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Current Version
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Mar 21, 2025Quiz Edited by
ProProfs Editorial Team -
Mar 23, 2011Quiz Created by
GSWife
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