A client is admitted to the hospital with suspected rheumatic endocarditis. Which of the following laboratory tests would assist in confirming the diagnosis?
Liver enzymes
Serum albumin
Throat culture
Arterial blood gases
The Correct Answer is C
Title: Choice A reason: Liver enzymes Liver enzymes are proteins that speed up chemical reactions in your body. They include alanine transaminase (ALT), aspartate transaminase (AST), and alkaline phosphatase (ALP). High levels of liver enzymes in the blood can indicate liver disease. However, rheumatic endocarditis is a heart condition, not a liver condition. Therefore, while liver enzymes are important for diagnosing liver conditions, they would not assist in confirming a diagnosis of rheumatic endocarditis.
Title: Choice B reason: Serum albumin Serum albumin is a type of protein that your liver and kidneys produce to help your body maintain fluid balance and function. Low or high albumin levels can indicate liver disease, kidney disease, or nutritional deficiency. However, rheumatic endocarditis is a heart condition, not a liver or kidney condition. Therefore, while serum albumin is important for diagnosing liver and kidney conditions, it would not assist in confirming a diagnosis of rheumatic endocarditis.
Title: Choice C reason: Throat culture A throat culture is a lab test used to find and identify germs in the back of your mouth that are making you sick. It can diagnose infections like strep throat, gonorrhea, thrush, diphtheria, and pertussis. Rheumatic endocarditis is often caused by a streptococcal infection, which can be identified through a throat culture. Therefore, a throat culture would assist in confirming a diagnosis of rheumatic endocarditis.
Title: Choice D reason: Arterial blood gases An arterial blood gas (ABG) test measures the levels of oxygen and carbon dioxide in your blood as well as the pH balance in your blood. It helps diagnose and monitor conditions that affect your respiratory, circulatory, and metabolic systems. However, rheumatic endocarditis is a heart condition that is often caused by a bacterial infection. Therefore, while an ABG test is important for diagnosing conditions that affect your respiratory, circulatory, and metabolic systems, it would not assist in confirming a diagnosis of rheumatic endocarditis.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Choice A: Fever and chills Fever and chills are not typically associated with the abrupt cessation of TPN. These symptoms are more commonly related to infections or inflammatory processes in the body. While infections can be a complication of TPN due to the invasive nature of the therapy, they are not a direct result of the discontinuation of the infusion. Total Parenteral Nutrition (TPN) is a method of feeding that bypasses the gastrointestinal tract. Fluids are given into a vein to provide most of the nutrients the body needs. The sudden stop in the infusion of TPN can lead to a rapid drop in blood sugar levels, known as hypoglycemia, because the body has become accustomed to the continuous influx of glucose from the TPN solution.
Choice B: Hypertension and crackles Hypertension (high blood pressure) and crackles (sounds heard on lung auscultation indicative of fluid in the air spaces) are not expected clinical manifestations due to the stopping of TPN. These symptoms are more commonly associated with cardiovascular and pulmonary conditions, respectively.
Choice C: Excessive thirst and urination Excessive thirst and urination could be symptoms of hyperglycemia (high blood sugar), which might occur if TPN is infused too quickly or if the patient has an increased insulin requirement. However, these are not the immediate concerns when TPN is abruptly stopped.
Choice D: Shakiness and diaphoresis Shakiness and diaphoresis (sweating) are common signs of hypoglycemia, which can occur if TPN is stopped suddenly. The body may have been receiving a steady supply of glucose from the TPN, and a sudden halt can cause blood sugar levels to drop quickly. This can lead to symptoms such as weakness, shakiness, sweating, and even confusion or loss of consciousness if not addressed promptly. When TPN is abruptly discontinued, the nurse should monitor the client for signs of hypoglycemia, including shakiness and diaphoresis. It is important to restart the TPN infusion as soon as possible or provide an alternative source of glucose to prevent hypoglycemia and its potential complications.
Correct Answer is B
Explanation
Choice A reason: The GFR does not recover during the oliguric phase; instead, it is typically reduced, reflecting impaired kidney function.
Choice B reason: Urine output of less than 400 mL per 24 hours is characteristic of the oliguric phase of AKI. This phase can last from 1 to 7 days after kidney injury and is a crucial time for monitoring and managing the patient's fluid and electrolyte balance.
Choice C reason: BUN and creatinine levels do not decrease during the oliguric phase. They usually increase due to reduced kidney function and the inability to excrete these waste products.
Choice D reason: Renal function is not reestablished during the oliguric phase. This phase is part of the course of AKI where renal function is at its lowest, and recovery has not yet begun.
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