Download RGUHS MSc Medical Imaging Technology 2019 October 2nd Year 9548 Radiation Evaluation And Protection In Diagnostic Radiology Question Paper

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[Time: 3 Hours]

[Max. Marks: 80]

Radiation Evaluation and Protection in Diagnostic Radiology

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Q.P. CODE: 9548

Your answers should be specific to the questions asked.

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Draw neat, labeled diagrams wherever necessary.

LONG ESSAY (Answer Any Two)

2 X 10 = 20 Marks

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1.

Explain about biological aspects of radiation protection.

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2.

Explain the use of the radiation quantity, equivalent dose.

3.

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Discuss about ARS and its major response stages.

SHORT ESSAY (Answer Any Eight)

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8 X 5 = 40 Marks

4.

Collective effective dose

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5.

Describe threshold dose.

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6.

Liner energy transfer

7.

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ICRP

8.

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Effective dose limiting system

9.

Explain about a) Measuring skin dose directly b) Bone marrow dose c) Genetically Significant

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Dose (GSD).

10.

Discuss on the categories of radiation shielding.

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11.

Note on leak radiation

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12.

Optically stimulated luminescence dosimeter

13.

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Late somatic effects

SHORT ANSWERS (Answer Any Ten)

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10 X 2 = 20 Marks

14.

What is attenuation?

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15.

What are the cause of genetic mutation?

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16.

Model for ALARA concept

17.

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Positive beam limitation

18.

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Gonodal dose

19.

TLD

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20.

Collective effective dose

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21.

BERT

22.

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Advantages and disadvantages of TLD over film badge

23.

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Source to skin distance

24.

Grid ration

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25.

Components of pocket ionization chamber

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