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Radiation Protection in Medical Radiography Questions and answers
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Radiation Protection in Medical Radiography Questions and answers
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1-84 of 84How is actual radiation dose to the global population from atmospheric fallout from
nuclear weapons testing received?
A. It is received all at once within a short period of time after such a test.
B. It is received in large quantities within a period of 2 years after such a test.
C. It is not received all at once but instead is delivered over a period of years at
changing dose rates.
D. No fallout from such testing is ever received.
Give this one a try later!
, C. It is not received all at once but instead is delivered over a period of
years at changing dose rates.
Which molecules in the human body are most commonly directly acted on by ionizing
radiation to produce molecular damage through an indirect action?
A. Protein
B. Carbohydrate
C. Fat
D. Water
Give this one a try later!
D. Water
Which of the following influences attenuation?
1. Effective atomic number of the absorber
2. Mass density
3. Thickness of the absorber
Give this one a try later!
D. 1, 2, and 3
Most diagnostic procedures result in equivalent doses:
A. Above 0.1 Sv but less than 1.56 Sv
B. Less than 0.1 Sv
,C. Between 1.56 Sv and 1.75 Sv
D. Above 1.75 Sv
Give this one a try later!
B. Less than 0.1 Sv
Which of the following instruments should be used to locate a lost radioactive source
or detect low-level radioactive contamination?
A. GM survey meter
B. Proportional counter
C. Ionization chamber-type survey meter (cutie pie)
D. Direct ion storage dosimeter
Give this one a try later!
A. GM survey meter
If 100 people received an average effective dose of 0.35 Sv, what is the collective
effective dose?
Give this one a try later!
35 person-sieverts
, What do basal cells of the skin, intestinal crypt cells, and reproductive cells have in
common?
A. All cells are hypoxic.
B. All cells are premalignant.
C. All cells are radioinsensitive.
D. All cells are radiosensitive.
Give this one a try later!
D. All cells are radiosensitive.
Which human cell component controls cell division and multiplication as well as
biochemical reactions that occur within the cell?
A. Endoplasmic reticulum
B. Mitochondria
C. Lysosomes
D. Nucleus
Give this one a try later!
D. Nucleus
During the 10 years immediately after the 1986 Chernobyl nuclear power station
accident, which of the following was the most pronounced health effect observed?
1. Dramatic increase in the incidence of childhood leukemia
2. Dramatic increase in thyroid cancer in children living in the regions where the
heaviest radioactive contamination occurred
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