Personnel Monitoring — MCQs

Which of the following regarding the vaccine vial monitor (VVM) is true? 1. It is used for monitoring heat exposure of the vaccine by healthcare workers in primary healthcare. 2. It shows cumulative exposure of the vaccine to the heat. 3. It can be used to assess the potential efficacy of the vaccine 4. Calculation of the expiry date can be done using VVM. 5. The expiry date of the vaccine can be relaxed if VVM is an acceptable range. 6. If the square and the circle are the same in color, then the vaccine can be safely used.

What is the recommended thickness of lead apron to prevent radiation exposure?

Radiation Dose Monitoring in Occupational Workers is done by

Which of the following devices does not use the principle of fluorescence in the diagnosis of caries?

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?

For normal mammography, what is the nominal focal size of the X-ray tube used?

What type of magnet is used in MRI?