Author Question: Processed films should retain how much moisture to prevent emulsion cracking? 5 10-15 50 ... (Read 33 times)

iveyjurea · **on:** Jul 17, 2018

Processed films should retain how much moisture to prevent emulsion cracking?

5
10-15
50
30

Question 2

Which of the following projections will demonstrate the patellofemoral joint open?

AP oblique with lateral rotation
mediolataral
AP
AP oblique with medial rotation

janeli1 · **Reply #1 on:** Jul 17, 2018

Answer to Question 1

10-15

Rationale: The drying mechanism in automatic processing should remove the majority of moisture from the film. Excessive drying can remove all of the moisture, causing the film emulsion to crack. A processed radiograph should retain 10-15 of its moisture.

Answer to Question 2

mediolataral

Rationale: The mediolateral projection of the knee with proper flexion of about 20 degrees will help open the patellofemoral joint. Overflexion of the part and/or extreme rotation of the femoral condyles will close off the patellofemoral joint.