Scleroderma Is an Autoimmune Disorder That Can Be Caused by

Multiple Choice

Scleroderma is an autoimmune disorder that can be caused by

A) retained fetal cells with surfaces that are similar to the mother's.
B) retained fetal cells with surfaces that are very different from those of the mother.
C) retained fetal cells with surfaces that are similar to the father's.
D) repeated exposure to the scleroderma virus.
E) receiving a transplant of a vital organ from someone with closely-matched cell surfaces.