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Bank
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MULTIPLE CHOICE w
1. Some consequences of ionization in human cells include:
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1. creation of unstable atoms. w w w
2. production of free electrons. w w w
3. creation of reactive free radicals capable of producing substances poisonous to the cell.
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a. 1 only w
b. 2 only w
c. 3 only w
d. 1, 2, and 3 w w w
ANS: D w REF: 2 w w
2. Which of the following is a special form of radiation that is capable of creating electrically
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charged particles by removing orbital electrons from the atom of the material with which it
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interacts?
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a. Ionizing radiation w
b. Nonionizing radiation w
c. Subatomic radiation w
d. Ultrasonic radiation w
ANS: A w REF: 2 w w
3. Patients who have an understanding of the medical benefits of an imaging procedure because
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they received factual information about the study before having the examination are more
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likely to:
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a. assume a small risk of biologic damage but not overcome any radiation phobia
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they may have.
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b. cancel their scheduled procedure because they are not willing to assume a small
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risk of biologic damage.
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c. overcome any radiation phobia but not assume a small risk of possible biologic
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damage.
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d. overcome any radiation phobia and be willing to assume a small risk of possible
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biologic damage.
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ANS: D w REF: 8 w w
4. The millisievert (mSv) is equal to:
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a. 1/10 of a sievert. w w w
b. 1/100 of a sievert. w w w
c. 1/1000 of a sievert. w w w
d. 1/10,000 of a sievert. w w w
ANS: C w REF: 9 w w
5. The advantages of the BERT method are:
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1. it does not imply radiation risk; it is simply a means for comparison.
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, 2. it emphasizes that radiation is an innate part of our environment.
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3. the answer given in terms of BERT is easy for the patient to comprehend.
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a. 1 and 2 only w w w
b. 1 and 3 only w w w
c. 2 and 3 only w w w
d. 1, 2, and 3 w w w
ANS: D w REF: 9 w w
6. If a patient asks a radiographer a question about the potential risk of radiation exposure
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wassociated with a specific x-ray procedure, the radiographer should:
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a. use his or her intelligence and knowledge to answer the question honestly and
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provide a suitable example that compares the amount of radiation received from the
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procedure in question with natural background radiation received over a given period
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of time. w w
b. avoid the patient’s question by changing the subject.
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c. tell the patient that it is unethical to discuss such concerns.
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d. refuse to answer the question and recommend that he or she speak with the
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referring physician.
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ANS: A w REF: 9 w w
7. Which of the following is the intention behind the ALARA concept?
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a. To keep radiation exposure and consequent dose at the highest possible level
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b. To keep radiation exposure and consequent dose at an average level
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c. To keep radiation exposure and consequent dose at the lowest possible level
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d. To avoid the use of ionizing radiation in radiologic practice
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ANS: C w REF: 5 w w
8. The basic principles of radiation protection include which of the following?
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1. Time
2. Distance
3. Shielding
a. 1 only w
b. 2 only w
c. 3 only w
d. 1, 2, and 3 w w w
ANS: D w REF: 5 w w
9. In a hospital setting, which of the following professionals is expressly charged by the hospital
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administration to be directly responsible for the execution, enforcement, and maintenance of
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the ALARA program?
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a. Assistant administrator of the facility w w w w
b. Chief of staff w w
c. Radiation Safety Officer w w
d. Student radiologic technologist w w
ANS: C w REF: 8 w w
, 10. Why is a question about the amount of radiation a patient will receive during a specific x-ray
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procedure difficult to answer?
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1. Because the received dose is measured in a number of different units
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2. Because scientific units for radiation dose are not comprehensible by the patient
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3. Because the patient should not receive any information about radiation dose
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a. 1 and 2 only
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b. 1 and 3 only
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c. 2 and 3 only
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d. 1, 2, and 3
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ANS: A w REF: 9 w w
11. X-rays are a form of which of the following kinds of radiation?
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a. Environmental
b. Ionizing
c. Internal
d. Nonionizing
ANS: B w REF: 2 w w
12. The radiographer must answer patient questions about the potential risk of radiation exposure:
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a. abruptly to discourage the patient from asking any other questions.
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b. evasively so as not to reveal any information about radiation risk.
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c. honestly and in understandable terms. w w w w
d. with technical terms. w w
ANS: C w REF: 9 w w
13. Radiation phobia can be greatly reduced by explaining the diagnostic radiation dose to the
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patient by using the:
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a. ALARA method. w
b. BERT method. w
c. ORP method. w
d. TRACE method. w
ANS: B w REF: 10 w w
14. Which of the following provides the basis for determining whether an imaging procedure or
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practice is justified?
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a. ALARA program w
b. BERT method w
c. Efficacy
d. TRACE program w
ANS: C w REF: 4 w w
15. Which of the following is a method of explaining radiation to the public?
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a. ALARA
b. BERT
c. ORP
d. Standardized dose reporting w w