A less than optimal tangential knee projection (Merchant method) demonstrating the tibial tuber-osities within the patellofemoral joint spaces

a. was obtained because the posterior knee curve was positioned too far below the bend of the axial viewer.
b. was obtained because the knee was bent more than 45 degrees.
c. will result when the patient has large calves and the axial viewer's angle is not decreased.
d. will also demonstrate soft tissue from the patient's anterior thighs projected onto the patellae and patellofemoral joint spaces.

C