Use of an artificial kidney during hemodialys | vedclass

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Question

(C) Hemodialysis is a process used to remove waste products like urea from the blood when kidneys fail. However,it is not a perfect substitute for nat

Vedclass · Accepted Answer

$(c)$ and $(d)$ are correct

Vedclass · Answer

(C) Hemodialysis is a process used to remove waste products like urea from the blood when kidneys fail. However,it is not a perfect substitute for natural kidney function.$1$. The natural kidney produces the hormone erythropoietin,which stimulates the bone marrow to produce $RBC$s. Artificial kidneys cannot produce this hormone,leading to reduced $RBC$ production (anemia).$2$. The natural kidney is responsible for the activation of Vitamin $D$,which is essential for the absorption of calcium ions from the gastrointestinal tract. In the absence of functional kidneys,this activation is impaired,leading to reduced calcium absorption.$3$. Hemodialysis is specifically designed to remove nitrogenous wastes and excess potassium ions from the blood; therefore,options $(a)$ and $(b)$ are incorrect as these are the primary functions the machine successfully performs.Thus,$(c)$ and $(d)$ are the correct consequences of long-term kidney failure that are not fully corrected by hemodialysis.

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