Muscular dystrophy is classified as which of the following types of disorders?

Baker cyst, politeal space, bilateral:

a. M71.21. b. M71.20. c. M71.22. d. M71.21, M71.22.

A lateral elbow projection with accurate positioning demonstrates

1. an open elbow joint space. 2. the radial head distal to the coronoid process. 3. the radius superimposing the radial tuberosity. 4. the anterior fat pad. a. 2 and 3 only b. 1 and 4 only c. 1, 3, and 4 only d. 1, 2, 3, and 4