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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Which of the following represents a normal range for total protein?

7.1-8.5 g/dL
5.5-8.0 g/dL
6.0-8.3 g/dL
4.0-7.5 g/dL

The correct answer is: 6.0-8.3 g/dL

The normal range for total protein in the blood typically lies between 6.0 and 8.3 g/dL. This range is crucial for assessing overall health and helps in diagnosing various conditions, such as liver disease, kidney disease, and nutritional status. Total protein levels reflect the balance of proteins in the blood, including albumin and globulins, which play essential roles in maintaining oncotic pressure, transporting substances, and immune function. The range of 6.0 to 8.3 g/dL is quite commonly accepted in clinical settings, making it a reliable reference point for healthcare professionals. This knowledge is vital when interpreting lab results and making clinical decisions, especially in critical care settings, where abnormalities in protein levels can indicate significant underlying health issues.