Certified Clinical Hemodialysis Technician (CCHT) Practice Exam

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What happens when blood leaves the artificial kidney during hemodialysis?

It is discarded

It returns to the patient

During hemodialysis, blood is processed through an artificial kidney, or dialyzer, where it undergoes filtration to remove waste products and excess fluids. After this filtration process, the cleaned blood is returned to the patient's body. This is a critical part of the hemodialysis process, as the goal is to purify the blood and maintain the necessary balance of electrolytes and fluids in the patient’s system, similar to what healthy kidneys would do.

Options that suggest discarding the blood, filtering it again, or storing it for later use do not align with the primary goal of hemodialysis, which is to treat patients with kidney failure by ensuring that their blood is cleaned and returned back into their circulation effectively and safely after each session. The return of the processed blood is essential for patient safety and health, making it an integral part of dialysis treatments.

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It is filtered again

It is stored for later use

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