A 5- to 7-degree central ray angulation is used for a lateral ...

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A 5- to 7-degree central ray angulation is used for a lateral knee projection
 
  1. to project the medial condyle anterosuperiorly.
  2. on a patient with a narrow pelvis and long femora.
  3. to offset the reduction in medial inclination that occurs when the patient is in a lateral recum-bent position.
  4. to achieve an open femorotibial joint space.
  a. 1 and 2 only
  b. 2 and 3 only
  c. 1, 3, and 4 only
  d. 2, 3, and 4 only

Question 2

A lateral knee projection with accurate positioning demonstrates
 
  1. superimposed femoral condyles.
  2. the fibular head without tibial superimposition.
  3. an open femorotibial joint space.
  4. one fourth of the distal femur and proximal lower leg.
  a. 1 and 3 only
  b. 2 and 4 only
  c. 1, 3, and 4 only
  d. 1, 2, 3, and 4

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Answer to Question 1

C

Answer to Question 2

C

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TY

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