Question

1. a disease characterized by abnormal hardening of the arteries is called: cardiomegaly. aortomalacia. arteriosclerosis. aortopathy.

Explanation:

Cardiomegaly refers to an enlarged heart; aortomalacia is the softening of the aorta; arteriosclerosis specifically denotes abnormal hardening of the arteries; aortopathy is a general term for aortic diseases. The question describes abnormal hardening of arteries, which matches arteriosclerosis.

Answer:

C. arteriosclerosis.