A nurse is preparing to administer continuous total parenteral nutrition (TPN) to a client. Which of the following components should the nurse identify as a fat emulsion?
Amino acid
Egg phospholipid
Folic acid
Calcium gluconate
The Correct Answer is B
A. Amino acid: Amino acids are the protein component of total parenteral nutrition (TPN). They provide essential and nonessential amino acids necessary for tissue repair, nitrogen balance, and protein synthesis. Amino acids are water-soluble and do not form emulsions, so they do not function as the fat component in TPN.
B. Egg phospholipid: Egg phospholipids serve as an emulsifying agent in intravenous fat emulsions. In TPN, the fat emulsion contains triglycerides suspended in water, and the phospholipid stabilizes the mixture, preventing separation. This allows safe delivery of essential fatty acids and caloric energy intravenously, making egg phospholipid a key component of the fat emulsion.
C. Folic acid: Folic acid is a water-soluble B vitamin included in TPN to prevent megaloblastic anemia and support DNA synthesis. It is not part of the lipid or fat component and does not function as an emulsifier.
D. Calcium gluconate: Calcium gluconate is an electrolyte added to TPN to maintain calcium balance. While important for metabolic and cardiac function, it is not a fat emulsion and does not provide caloric energy or act as an emulsifying agent.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. "You should notice an improvement in your symptoms in about 10 days.": Lithium is a mood stabilizer commonly prescribed for bipolar disorder. Therapeutic effects, such as reduction in manic symptoms, typically begin to appear within 1–2 weeks of consistent dosing. Clients should be educated that improvement is gradual and adherence is essential for optimal outcomes.
B. "Weight loss is an expected adverse effect of this medication.": Lithium is more commonly associated with weight gain rather than weight loss due to fluid retention and metabolic changes. Weight loss is not an expected side effect, and clients should be monitored for weight changes during therapy.
C. "You can crush the tablet and mix it with a small amount of food or water.": Extended-release lithium tablets should not be crushed or chewed because altering the formulation can lead to rapid absorption, increasing the risk of toxicity. They must be swallowed whole with a full glass of water to maintain controlled drug release.
D. "You should take a laxative each day to prevent constipation.": Routine laxative use is not required for lithium therapy unless the client experiences constipation. Encouraging daily laxatives is unnecessary and may cause electrolyte imbalances, which can be especially dangerous when taking lithium due to its narrow therapeutic index.
Correct Answer is B
Explanation
A. Identify emergency shelter locations: Locating emergency shelters is important for providing temporary safety and resources for affected individuals, but this step is secondary to activating the emergency response system. Shelter identification is part of coordinated disaster management that follows initial response activation.
B. Activate the facility's emergency response system: The first action in any disaster response is to activate the emergency response system. This ensures that all necessary personnel, resources, and protocols are mobilized quickly to manage casualties, provide triage, and coordinate care efficiently. Immediate activation establishes the chain of command and enables a structured response to the evolving crisis.
C. Notify local service organizations and chaplains of the disaster: Notifying support services and chaplains is part of ongoing disaster management, offering emotional and logistical support. While important, it is not the initial priority because patient care and life-saving interventions take precedence.
D. Report the number of casualties to the Public Information Officer: Reporting casualty numbers helps manage public communication and coordination, but this step should occur after the emergency response system is activated and triage and critical care measures are underway. Immediate patient care and system activation take priority over reporting.
Whether you are a student looking to ace your exams or a practicing nurse seeking to enhance your expertise , our nursing education contents will empower you with the confidence and competence to make a difference in the lives of patients and become a respected leader in the healthcare field.
Visit Naxlex, invest in your future and unlock endless possibilities with our unparalleled nursing education contents today
Report Wrong Answer on the Current Question
Do you disagree with the answer? If yes, what is your expected answer? Explain.
Kindly be descriptive with the issue you are facing.
