Author Question: Under which of the following conditions is it necessary to use a grid for an axial shoulder ... (Read 39 times)

cdr_15 · **on:** Jul 17, 2018

Under which of the following conditions is it necessary to use a grid for an axial shoulder projec-tion?

1. The AP measurement is over 4 inches (10 cm).
2. The kilovoltage used is above 60.
3. The inferosuperior measurement is over 4 inches (10 cm).
4. The kilovoltage used is below 60.
a. 1 and 2 only
b. 2 and 3 only
c. 1 and 4 only
d. 3 and 4 only

Question 2

An inferosuperior axial shoulder projection that shows accurate positioning and was obtained with the humeral epicondyles positioned at a 45-degree angle with the floor demonstrates

1. the posterolateral aspect of the humeral head.
2. almost superimposed inferior and superior glenoid fossa margins.
3. the lesser tubercle in partial profile anteriorly.
4. the lateral edge of the coracoid base medial to the inferior glenoid cavity.
a. 1 and 2 only
b. 3 and 4 only
c. 1, 2, and 3 only
d. 1, 2, 3, and 4