Certified Clinical Hemodialysis Technician (CCHT) Practice Exam 2025 - Free CCHT Practice Questions and Study Guide

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Question: 1 / 400

What is the approximate percentage of fluid from glomerular filtrate that ultimately becomes urine?

10%

5%

1%

The correct answer is 1%. This figure is significant because it highlights the efficiency of the kidneys in filtering blood and reabsorbing most of the components that are necessary for the body's functioning. Out of the approximately 180 liters of glomerular filtrate produced daily, only about 1 to 2 liters are excreted as urine. This means that around 99% of the filtrate is reabsorbed back into the bloodstream, which includes water, electrolytes, glucose, and amino acids. This reabsorption process is crucial for maintaining fluid and electrolyte balance within the body.

In contrast, options suggesting higher percentages fail to accurately represent the kidneys' capacity to reclaim fluids and essential substances, which is a vital aspect of renal physiology. Thus, understanding the 1% figure is essential for grasping how effectively the kidneys perform their filtering and reabsorbing functions.

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