BONENT Specialty Training Assessment and Review (STAR) Practice Exam

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What role does the dialyzer play in the hemodialysis process?

It administers medication to the patient

It filters blood by removing waste and excess substances

The dialyzer is a crucial component of the hemodialysis process, functioning as an artificial kidney that filters the blood. Its primary role is to remove waste products, toxins, and excess fluids from the blood when the kidneys are unable to perform these functions adequately. As blood passes through the dialyzer, it flows on one side of a semi-permeable membrane, while a special dialysis solution, or dialysate, flows on the other side. This setup allows for the exchange of substances; waste products and excess electrolytes move from the blood into the dialysate, effectively cleansing the blood of harmful substances.

In summary, the dialyzer's filtering capability is essential to maintaining the patient’s biochemical balance and ensuring their safety during dialysis treatments.

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It monitors the patient's vital signs during treatment

It assists with patient mobility post-treatment

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