Radiation Protection in Diagnostic and Interventional Radiology
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Questions and Answers

What is the focus of the IAEA Standard Syllabus Course on Radiation Protection in Diagnostic and Interventional Radiology?

  • Specificity of the medical exposure
  • Introduction to radiation protection in diagnostic radiology
  • Principles of radiation protection and motivation for the course (correct)
  • Overview of different contributions of radiation exposure

In which food item is the daily intake of Ra-226 highest?

  • Wheat
  • Leafy vegetables
  • Pulses
  • Rice (correct)

What is the total dose from natural sources, as mentioned in the text?

  • 1.0 to 3.0 mSv/yr (correct)
  • 0.315 mSv/yr
  • 6.0 to 9.0 mSv/yr
  • 3.0 to 6.0 mSv/yr

What is the specific focus of the IAEA Introduction to Radiation Protection in Diagnostic Radiology?

<p>Principles of radiation protection (D)</p> Signup and view all the answers

Which food item has the highest level of Pb-210?

<p>Milk (C)</p> Signup and view all the answers

What is the dose equivalent as mentioned in the text?

<p>0.315 mGy/yr (A)</p> Signup and view all the answers

What is the normal range of radiation exposure from natural sources?

<p>1-3 mSv/year (A)</p> Signup and view all the answers

What does LD 50/60 refer to in the context of radiation?

<p>Lethal Dose for 50% of the population within 50 days (B)</p> Signup and view all the answers

What is the primary objective of radiation protection?

<p>Prevention of deterministic effect (C)</p> Signup and view all the answers

What is ALARA in the context of radiation protection?

<p>A certain amount of radiation needed for diagnostic purposes (B)</p> Signup and view all the answers

What is the recommended workload limit for radiation exposure in terms of time?

<p>Not greater than 1 minute/day (B)</p> Signup and view all the answers

What is the recommended dose limit for radiography work with regards to the ICRP?

<p>0.1 mSv/yr (D)</p> Signup and view all the answers

What is the duration of fluoroscopy for a Barium study per patient?

<p>3-6 minutes (C)</p> Signup and view all the answers

What are the potential risks associated with fluoroscopy (excluding interventional angio)?

<p>Risk of Death, Skin Burns, Infertility, Cataract (B)</p> Signup and view all the answers

What is the primary purpose of optimization in diagnostic radiology?

<p>Balancing image quality with dose to the patient (B)</p> Signup and view all the answers

What is the recommended time limit for radiation exposure per day in a radiography environment?

<p>Not greater than 1 minute/day (C)</p> Signup and view all the answers

What are the potential effects of high radiation exposure according to IAEA?

<p>Death, Cancer, Skin Burns, Cataract (A)</p> Signup and view all the answers

Flashcards

IAEA Standard Syllabus on Radiation Protection

Focuses on the principles of radiation protection in diagnostic and interventional radiology.

Ra-226 highest intake food

Rice contains the highest daily intake of Ra-226.

Natural radiation dose

Total dose from natural sources is 1.0 to 3.0 mSv/yr.

IAEA Introduction to Radiation Protection

Focuses on the basic principles of radiation protection in diagnostic radiology.

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Highest Pb-210 food

Milk has the highest level of Pb-210.

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Dose equivalent (mGy/yr)

The dose equivalent is 0.315 mGy/yr.

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Natural radiation range

Normal exposure from natural sources is 1-3 mSv/year.

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LD 50/60

Lethal dose for 50% of the population within 60 days.

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Radiation protection objective

Prevent deterministic effects of radiation.

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ALARA in radiology

Keeping radiation exposure as low as reasonably achievable for diagnostic purposes.

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Radiography workload limit

Maximum 1 minute/day.

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Radiography dose limit (ICRP)

0.1 mSv/yr.

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Barium study fluoroscopy duration

3-6 minutes per patient.

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Fluoroscopy risks (non-interventional)

Potential risks include death, skin burns, infertility, and cataracts.

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Optimization in diagnostic radiology

Balancing image quality with patient dose to lowest possible.

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Daily exposure time limit (radiography)

Maximum 1 minute/day.

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High radiation exposure effects

Possible effects include death, cancer, skin burns, and cataracts.

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