American Association of Critical-Care Nurses (AACN) Certification Practice Test

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Prepare for the AACN Certification Test. Study with flashcards and multiple choice questions, each question comes with hints and explanations. Get ready for your exam!

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What is the normal range for total bilirubin in mg/dL?

0.0-0.5 mg/dL
0.1-1.0 mg/dL
0.2-1.5 mg/dL
0.5-1.2 mg/dL

The correct answer is: 0.1-1.0 mg/dL

The normal range for total bilirubin in adults is typically considered to be between 0.1 and 1.0 mg/dL. Total bilirubin is a measurable component of blood that consists of two types: direct (conjugated) and indirect (unconjugated) bilirubin. Elevated levels of bilirubin can indicate various medical conditions, including liver disease, hemolytic anemia, or bile duct obstruction. In this context, the option indicating the 0.1-1.0 mg/dL range captures the acceptable limits for healthy individuals. The ranges provided in other options either fall below or exceed this established normal range, which could point to an incorrect understanding of bilirubin levels in clinical practice. Knowing the normal range is critical for diagnosing and managing conditions related to liver function and blood disorders.