Chain of Infection

Question 14 • 2026-2027 EDGE Human Anatomy and Physiology A

What is muscular dystrophy?

Answer

a disorder in which people have little to no control of their muscles due to brain damage

a group of congenital disorders in which muscle breaks down over time

a group of acquired disorders in which the spine degenerates

a disorder in which people have little to no control of their brain

Explanation

Muscular dystrophy is a group of genetic disorders that cause muscles to weaken and break down over time. This matches choice B, which describes a group of congenital disorders involving progressive muscle breakdown. Brain damage can affect muscle control, but that is not what defines muscular dystrophy.

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