Radiation Detectors — MCQs

One gray equals

What is not an advantage of USG over mammography?

What is the primary function of a gamma camera?

The technique employed in radiotherapy to counteract the effect of tumour motion due to breathing is known as –

Principles used in Radio Therapy are:

Which imaging modality delivers the highest dose of radiation?

A 19-year-old male is brought to casualty after a road traffic accident. He had a brief loss of consciousness, followed by a lucid interval, and is now becoming increasingly drowsy with a GCS of 10. His right pupil is dilated and sluggishly reactive. The CT scan is shown in Image 1. Which vessel injury is most directly responsible for the collection seen?

Which of the following is the best method for radiation protection of the operator?

What is the primary function of a Bucky diaphragm?

What is the result of using filters in diagnostic radiology beams?