A 55-year-old male is diagnosed with hepatocellular cancer secondary to hepatitis C. If the can-cerous region of the liver is removed, the remaining cells would undergo:
a. pathologic hyperplasia.
b. pathologic metaplasia.
c. compensatory hyperplasia.
d. compensatory aplasia.
ANS: C
Compensatory hyperplasia is an adaptive, not pathologic, mechanism that enables certain organs to regenerate. Metaplasia is the reversible replacement of one mature cell type by another, some-times less differentiated, cell type. Aplasia is not a compensatory mechanism.
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