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 clearance in mL/min?

70-120 mL/min
85-150 mL/min
100-200 mL/min
60-100 mL/min

The correct answer is: 85-150 mL/min

The normal range for creatinine clearance is typically between 70 to 120 mL/min. This reflects a healthy kidney's ability to filter creatinine from the blood, which is a waste product generated from muscle metabolism. The value indicates how well the kidneys are functioning. While the selected range of 85-150 mL/min may seem plausible in some contexts, it is broader than the more widely accepted values and may not accurately reflect the standard normal ranges used in clinical assessments. The specific reference range may vary between laboratories and depending on measurements used, but most sources agree on the 70 to 120 mL/min range as the standard. Overall, understanding the normal range for creatinine clearance is crucial for assessing renal function, monitoring kidney health, and detecting potential issues early in patients, particularly those in critical care settings.