06-22-2014, 10:22 AM
A patient presenting to your office has mildly short stature, small epiphyses in the long bones, and early onset osteoarthritis. The patient has multiple epiphyseal dysplasia, a disease of type IX collagen. Which of the following processes is likely have to been impaired in this patient?
a. Endochondral ossification
b. Intramembranous ossification
c. Osteoblast differentiation
d. Osteoclast differentiation
e. Type I collagen formation
a. Endochondral ossification
b. Intramembranous ossification
c. Osteoblast differentiation
d. Osteoclast differentiation
e. Type I collagen formation