ASRT - California Supervisor and
Operator Exam Study
a. Spontaneously emit excess energy - answer(unit 1) According to the article, the
characteristic that best identifies a natural source of radiation is the ability to:
a. Spontaneously emit excess energy
b. Emit excess energy when excited by x-rays
c. Avoid decay.
d. Glow in the dark.
c. A radioactive element's rate of decay. - answer(unit 1) Half-life is defined as:
a. The amount of time it takes an x-ray to reach its target.
b. The amount of time it takes to generate a wavelength equivalent to an x-ray.
c. A radioactive element's rate of decay.
d. How long it takes for an element to release half of its energy.
d. Radio waves; gamma rays - answer(unit 1) Of the electromagnetic radiation forms,
___ have (has) the lowest energy and ___ the highest.
a. Visible light; gamma rays
b. Radio waves; ultraviolet rays
c. Ultraviolet rays; x-rays
d. Radio waves; gamma rays
b. Distance between 2 peaks of a waveform. - answer(unit 1) Wavelength is defined by
the:
a. Height of an energetic waveform.
b. Distance between 2 peaks of a waveform.
c. Length of the entire waveform.
d. Distance between 2 valleys in a waveform.
b. Photoelectric, Compton, classical - answer(unit 1) Of the 5 types of possible
interactions between ionizing radiation and tissues, which 3 occur at energies within the
diagnostic range of 20 to 150 kV?
a. Bremsstrahlung, Compton, general scatter
b. Photoelectric, Compton, classical
c. Photoelectric, bremsstrahlung, classical
d. Classical, Compton, pair production
a. Provide a dose quantity related to the probability of damaging health due to
stochastic effects from exposure to low levels of ionizing radiation. - answer(unit 1) The
effective dose measurement was created to:
,a. Provide a dose quantity related to the probability of damaging health due to
stochastic effects from exposure to low levels of ionizing radiation.
b. Calculate exact dose received by target organs.
c. Track radiation exposure rates in a national radiation exposure database.
d. Help radiation health physicists approve equipment by ensuring that an accurate
dose was received.
b. False - answer(unit 1) Exact tissue and organ dose absorbed can be calculated
easily using indicators on modern imaging equipment such as CT scanners and image
intensifiers.
a. True
b. False
d. 80 - answer(unit 1) What percentage of the human body is made up of water
molecules?
a. 20
b. 40
c. 60
d. 80
c. Fuel for cell metabolism - answer(unit 1) A function of carbohydrates in the body is to
provide:
a. Immunity
b. Red blood cell production
c. Fuel for cell metabolism
d. Glucose and fats to cells
a. Adenine, guanine, thymine, cytosine - answer(unit 1) What 4 nitrogenous bases
make up the "ladder rungs" of the DNA double helix?
a. Adenine, guanine, thymine, cytosine
b. Tryamine, guanine, thymine, cytosine
c. Adenine, guanine, cortisol, cytosine
d. Glucose, guanine, thymine, cytosine
d. In the cytoplasm and in the nucleus - answer(unit 1) Where is RNA located?
a. Only in the cytoplasm
b. Only in the nucleus
c. In the cell wall and the nucleus
d. In the cytoplasm and in the nucleus
c. Mineral salts (electrolytes) - answer(unit 1) The principal inorganic compounds in
protoplasm are water and:
a. Carbon
b. mineral sugars.
c. Mineral salts (electrolytes)
d. nitrogen
,c. Cytoplasm - answer(unit 1) The majority of a cell's molecular components exist in the:
a. Nucleus
b. Cell wall
c. Cytoplasm
d. Golgi apparatus
d. ribosomes - answer(unit 1) ___ is (are) responsible for protein synthesis.
a. Fats
b. Electrolytes
c. DNA
d. ribosomes
c. Oogonium - answer(unit 1) The female germ cell is the:
a. Spermatogonium
b. Ribosome
c. Oogonium
d. Corpus albicans
c. Mitosis - answer(unit 1) ___ is the process that produces 2 daughter cells identical to
the parent cell.
a. Point mutation
b. Asexual reproduction
c. Mitosis
d. meiosis
d. 46 - answer(unit 1) A normal human cell contains ___ chromosomes as represented
by a parent cell and a fertilized germ call
a. 22
b. 23
c. 44
d. 46
b. false - answer(unit 1) When ionizing radiation interacts with a cell, ionizations and
excitations can occur only with water molecules contained within the cell.
a. True
b. false
c. DNA - answer(unit 1) Point mutations refer to damage to:
a. Golgi apparati
b. Ribosomes
c. DNA
d. RNA
d. 1, 2 and 3 - answer(unit 1) Irradiation of DNA primarily causes: 1) cell death. 2)
genetic damage. 3) malignant disease.
, a. 1 and 2
b. 1 and 3
c. 2 and 3
d. 1, 2 and 3
d. Indirect effect - answer(unit 1) Because the body is composed mostly of water and
only 1% DNA, the majority of ionizing radiation damage results from:
a. Compton scatter
b. The Heisenberg uncertainty principle
c. Direct effect
d. Indirect effect
b. The individual exposed - answer(unit 1) Somatic effects of ionizing radiation cause
changes to:
a. Film exposure only
b. The individual exposed
c. The offspring of the irradiated individual
d. Several generations following the exposed individual
b. Manifest illness - answer(unit 1) The third stage of acute radiation syndrome, known
as the ___ stage, affects the hematopoietic, gastrointestinal and central nervous
systems.
a. Prodromal
b. Manifest illness
c. Latent
d. Recovery
(extra credit: What are the stages in order?)
d. Less prevalent - answer(unit 1) Compared with its incidence at higher doses of
radiation, the incidence of leukemia at lower doses is:
a. More prevalent
b. About the same
c. Unknown
d. Less prevalent
c. Higher relative biologic effectiveness; greater - answer(unit 1) Uranium produces
more neutrons and therefore has a ___, which causes ___ biological damage.
a. Lower relative biologic effectiveness; less
b. Lower relative biologic effectiveness; greater
c. Higher relative biologic effectiveness; greater
d. Higher relative biologic effectiveness; less
c. Fluoroscopy; mobile radiography - answer___ and ___ provide the greatest risk of
exposure to the radiologic technologist operating the equipment.
a. Computed tomography (CT); magnetic resonance imaging (MRI)
b. CT; mobile radiography
Operator Exam Study
a. Spontaneously emit excess energy - answer(unit 1) According to the article, the
characteristic that best identifies a natural source of radiation is the ability to:
a. Spontaneously emit excess energy
b. Emit excess energy when excited by x-rays
c. Avoid decay.
d. Glow in the dark.
c. A radioactive element's rate of decay. - answer(unit 1) Half-life is defined as:
a. The amount of time it takes an x-ray to reach its target.
b. The amount of time it takes to generate a wavelength equivalent to an x-ray.
c. A radioactive element's rate of decay.
d. How long it takes for an element to release half of its energy.
d. Radio waves; gamma rays - answer(unit 1) Of the electromagnetic radiation forms,
___ have (has) the lowest energy and ___ the highest.
a. Visible light; gamma rays
b. Radio waves; ultraviolet rays
c. Ultraviolet rays; x-rays
d. Radio waves; gamma rays
b. Distance between 2 peaks of a waveform. - answer(unit 1) Wavelength is defined by
the:
a. Height of an energetic waveform.
b. Distance between 2 peaks of a waveform.
c. Length of the entire waveform.
d. Distance between 2 valleys in a waveform.
b. Photoelectric, Compton, classical - answer(unit 1) Of the 5 types of possible
interactions between ionizing radiation and tissues, which 3 occur at energies within the
diagnostic range of 20 to 150 kV?
a. Bremsstrahlung, Compton, general scatter
b. Photoelectric, Compton, classical
c. Photoelectric, bremsstrahlung, classical
d. Classical, Compton, pair production
a. Provide a dose quantity related to the probability of damaging health due to
stochastic effects from exposure to low levels of ionizing radiation. - answer(unit 1) The
effective dose measurement was created to:
,a. Provide a dose quantity related to the probability of damaging health due to
stochastic effects from exposure to low levels of ionizing radiation.
b. Calculate exact dose received by target organs.
c. Track radiation exposure rates in a national radiation exposure database.
d. Help radiation health physicists approve equipment by ensuring that an accurate
dose was received.
b. False - answer(unit 1) Exact tissue and organ dose absorbed can be calculated
easily using indicators on modern imaging equipment such as CT scanners and image
intensifiers.
a. True
b. False
d. 80 - answer(unit 1) What percentage of the human body is made up of water
molecules?
a. 20
b. 40
c. 60
d. 80
c. Fuel for cell metabolism - answer(unit 1) A function of carbohydrates in the body is to
provide:
a. Immunity
b. Red blood cell production
c. Fuel for cell metabolism
d. Glucose and fats to cells
a. Adenine, guanine, thymine, cytosine - answer(unit 1) What 4 nitrogenous bases
make up the "ladder rungs" of the DNA double helix?
a. Adenine, guanine, thymine, cytosine
b. Tryamine, guanine, thymine, cytosine
c. Adenine, guanine, cortisol, cytosine
d. Glucose, guanine, thymine, cytosine
d. In the cytoplasm and in the nucleus - answer(unit 1) Where is RNA located?
a. Only in the cytoplasm
b. Only in the nucleus
c. In the cell wall and the nucleus
d. In the cytoplasm and in the nucleus
c. Mineral salts (electrolytes) - answer(unit 1) The principal inorganic compounds in
protoplasm are water and:
a. Carbon
b. mineral sugars.
c. Mineral salts (electrolytes)
d. nitrogen
,c. Cytoplasm - answer(unit 1) The majority of a cell's molecular components exist in the:
a. Nucleus
b. Cell wall
c. Cytoplasm
d. Golgi apparatus
d. ribosomes - answer(unit 1) ___ is (are) responsible for protein synthesis.
a. Fats
b. Electrolytes
c. DNA
d. ribosomes
c. Oogonium - answer(unit 1) The female germ cell is the:
a. Spermatogonium
b. Ribosome
c. Oogonium
d. Corpus albicans
c. Mitosis - answer(unit 1) ___ is the process that produces 2 daughter cells identical to
the parent cell.
a. Point mutation
b. Asexual reproduction
c. Mitosis
d. meiosis
d. 46 - answer(unit 1) A normal human cell contains ___ chromosomes as represented
by a parent cell and a fertilized germ call
a. 22
b. 23
c. 44
d. 46
b. false - answer(unit 1) When ionizing radiation interacts with a cell, ionizations and
excitations can occur only with water molecules contained within the cell.
a. True
b. false
c. DNA - answer(unit 1) Point mutations refer to damage to:
a. Golgi apparati
b. Ribosomes
c. DNA
d. RNA
d. 1, 2 and 3 - answer(unit 1) Irradiation of DNA primarily causes: 1) cell death. 2)
genetic damage. 3) malignant disease.
, a. 1 and 2
b. 1 and 3
c. 2 and 3
d. 1, 2 and 3
d. Indirect effect - answer(unit 1) Because the body is composed mostly of water and
only 1% DNA, the majority of ionizing radiation damage results from:
a. Compton scatter
b. The Heisenberg uncertainty principle
c. Direct effect
d. Indirect effect
b. The individual exposed - answer(unit 1) Somatic effects of ionizing radiation cause
changes to:
a. Film exposure only
b. The individual exposed
c. The offspring of the irradiated individual
d. Several generations following the exposed individual
b. Manifest illness - answer(unit 1) The third stage of acute radiation syndrome, known
as the ___ stage, affects the hematopoietic, gastrointestinal and central nervous
systems.
a. Prodromal
b. Manifest illness
c. Latent
d. Recovery
(extra credit: What are the stages in order?)
d. Less prevalent - answer(unit 1) Compared with its incidence at higher doses of
radiation, the incidence of leukemia at lower doses is:
a. More prevalent
b. About the same
c. Unknown
d. Less prevalent
c. Higher relative biologic effectiveness; greater - answer(unit 1) Uranium produces
more neutrons and therefore has a ___, which causes ___ biological damage.
a. Lower relative biologic effectiveness; less
b. Lower relative biologic effectiveness; greater
c. Higher relative biologic effectiveness; greater
d. Higher relative biologic effectiveness; less
c. Fluoroscopy; mobile radiography - answer___ and ___ provide the greatest risk of
exposure to the radiologic technologist operating the equipment.
a. Computed tomography (CT); magnetic resonance imaging (MRI)
b. CT; mobile radiography
