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MOHSP (Course 400) – Module 3 Exam

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Question 1 of 8

1. Question
What is the difference between ionizing and non-ionizing radiation?
- A) Non-ionizing radiation can strip an atom of electrons.
- B) Ionizing radiation can strip an atom of electrons.
- C) Non-ionizing radiation can be reflected by the nucleus.
- D) Ionizing radiation does not affect an atom.
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Question 2 of 8

2. Question
Which type of radiation can be stopped by a piece of paper?
- A) Neutrons.
- B) Beta particles.
- C) Alpha particles.
- D) Tritium.
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Question 3 of 8

3. Question
Which of the following statements is true about carbon-14?
- A) Carbon-14 exists mostly as carbon dioxide (C1402) in the atmosphere.
- B) Carbon-14 exists mostly as carbon monoxide (C1401) in the atmosphere.
- C) Carbon-14 is only used for determining the dates of fossils.
- D) Carbon-14 is not a form of radiation.
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Question 4 of 8

4. Question
What are the three main principles for decreasing radiation exposure?
- A) Reducing time, increasing distance, and using shielding.
- B) Increasing time, decreasing distance, and using shielding.
- C) Measuring doses, working all hours, and keeping your distance.
- D) Reducing time, decreasing distance, and using the same shielding for all radiation types.
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Question 5 of 8

5. Question
What is the SI unit used to measure radioactivity?
- A) Beaker.
- B) Tesla.
- C) Becquerel.
- D) Gray.
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Question 6 of 8

6. Question
Effective dose can be determined from absorbed dose by which of the following?
- A) Multiplying the absorbed dose by a person’s body mass.
- B) Dividing the absorbed dose by a weighting factor.
- C) Multiplying the absorbed dose by a weighting factor.
- D) Dividing the absorbed dose by a person’s body mass.
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Question 7 of 8

7. Question
Which of the following forms of radiation is the heaviest?
- A) Beta particles.
- B) Alpha particles.
- C) Gamma waves.
- D) Neutrons.
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Question 8 of 8

8. Question
Which of the following can have either a positive or a negative charge?
- A) Beta particles.
- B) Alpha particles.
- C) Tritium.
- D) Carbon-14.
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