Which of the Following Two-Field Arrangements Is Considered Parallel Opposed

question 26

Multiple Choice

Which of the following two-field arrangements is considered parallel opposed?

• A) Field 1 gantry = 0; Field 2 gantry = 90
• B) Field 1 gantry = 310; Field 2 gantry = 130
• C) Field 1 gantry = 90; Field 2 gantry = 280
• D) Field 1 gantry = 180; Field 2 gantry = 10

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