For the axiolateral (inferosuperior) projection of the hip,

1. the unaffected hip should be in maximum flexion and abduction.
2. the central ray should be positioned parallel with the femoral neck.
3. a grid and tight collimation are needed to increase detail visibility.
4. the affected leg should always be internally rotated.
a. 1 and 3 only
b. 2 only
c. 1, 3, and 4 only
d. 1, 2, 3, and 4

A