The nurse is caring for a client admitted with a diagnosis of pancreatitis. Which laboratory value is the most reliable indicator of acute pancreatitis? A. Hemoglobin of \(12.0 \mathrm{~g} / \mathrm{dL}\) B. White blood cell count of 14,000 C. Amylase of 460 D. Potassium of \(3.1 \mathrm{mEq} / \mathrm{L}\)

First, it's essential to understand the significance of the four laboratory values given in the problem: - Hemoglobin: This measures the amount of oxygen-carrying protein in red blood cells. It is not directly related to pancreatitis. - White blood cell count: This is a measure of the body's immune response and can be increased in various conditions, including pancreatitis. However, it is not specific for pancreatitis. - Amylase: This is an enzyme produced by the pancreas to help digest carbohydrates. An increased amylase level is an indicator of pancreatic inflammation and is more specific to pancreatitis. - Potassium: This is an essential electrolyte that plays a role in various bodily functions. Abnormal potassium levels can be a result of several conditions and are not specific to pancreatitis.

Out of the given laboratory values, we need to select the one that is most specific and reliable for diagnosing acute pancreatitis. Based on the understanding gained in Step 1, we can summarize the options as follows: A. Hemoglobin: Not directly related to pancreatitis. B. White blood cell count: Increased in various conditions, including pancreatitis, but not specific for pancreatitis. C. Amylase: Increased specifically in pancreatitis, indicating pancreatic inflammation. D. Potassium: Abnormal levels can be a result of several conditions, not specific to pancreatitis.

Based on our analysis, the most reliable indicator of acute pancreatitis among the given options is the amylase level. So, the correct answer is: C. Amylase of 460