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.
Question 2
A less than optimal PA axial knee projection (Holmblad method) demonstrating the medial and lateral aspects of the intercondylar fossa without superimposition
a. will also demonstrate the tibia without fibular head superimposition if the heel was rotated medially.
b. will also demonstrate a laterally situated patella if the heel was rotated laterally.
c. was obtained because the knee was underflexed.
d. was obtained because the femur was positioned vertically.
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