Which of the following types of control valves uses a flat circular plate in a pipe that rotates 90 degrees across the cross section of the pipe to control the flow of water?

A 35-year-old female is diagnosed with ovarian cancer. CT scan reveals that the cancer is limited to the ovaries. It would be classified as stage:

a. I. b. II. c. III. d. IV.

Osteoarthritis, a degenerative joint disease, is characterized by loss of:

a. the epiphyses. b. articular cartilage. c. synovial fluid. d. the joint capsule.