Bone fractures are a risk factor in chronic renal failure because:
A) calcium is lost in the urine.
B) osteoblast activity is excessive.
C) the kidneys fail to activate vitamin D.
D) autoantibodies to calcium molecules develop.

Question

Quizplus · Accepted Answer

In chronic renal failure, the kidneys are unable to convert vitamin D into its active form, which is necessary for calcium absorption in the gut. This leads to decreased calcium levels in the blood, contributing to bone demineralization and increased fracture risk.

Bone Fractures Are a Risk Factor in Chronic Renal Failure