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Questions and Answers
What is the recommended patient positioning for a CT scan of the mediastinum and axillary lymph nodes?
What is the recommended patient positioning for a CT scan of the mediastinum and axillary lymph nodes?
- Sitting position
- Lateral position
- Supine position with arms elevated over the head (correct)
- Prone position
What is the recommended collimation for a low-dose high resolution HR lung protocol?
What is the recommended collimation for a low-dose high resolution HR lung protocol?
- 3 mm
- 120 kV
- 10–20 mAs
- 4Â¥2.5 mm (correct)
What is the purpose of a swallow of barium suspension before a CT scan of the mediastinum and axillary lymph nodes?
What is the purpose of a swallow of barium suspension before a CT scan of the mediastinum and axillary lymph nodes?
- To optimize demarcation of the esophagus (correct)
- To reduce the dose of the CT scan
- To reduce artifacts from venous inflow
- To reduce artifacts from breathing
