In amyotrophy, paresis and paralysis are segmental.Why is the segmental character of weakness difficult to recognize? The weakness resulting from the segmental paresis and paralysis characteristic of amyotrophy is difficult to recognize because:
A)upper motor neurons are involved.
B)posterior horn cell injury is involved.
C)each muscle is supplied by two or more nerve roots.
D)the person is unable to feel the involved muscles.

Question

Quizplus · Accepted Answer

The paresis and paralysis associated with anterior horn cell injury are segmental, but because each muscle is supplied by two or more roots, the segmental character of the weakness may be difficult to recognize.

In Amyotrophy, Paresis and Paralysis Are Segmental