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 creatinine in a healthy adult?

0.3-0.5
0.6-1.2
1.3-1.5
1.6-2.0

The correct answer is: 0.6-1.2

The normal range for creatinine in a healthy adult is between 0.6 and 1.2 mg/dL. Creatinine is a waste product that is produced from muscle metabolism and is usually filtered out of the blood by the kidneys. This measurement is an important indicator of renal function; deviating from the normal range can signal kidney issues. Values below this range can suggest a very low muscle mass or an issue with the hydration status, while values above this range may indicate possible kidney impairment or dysfunction. Maintaining creatinine levels within the specified normal range is crucial for effective assessment of kidney health, making this range a key reference point in clinical settings for evaluating patients.