CALIFORNIA SUPERVISOR AND OPERATOR ASRT EXAM 2025
UPDATE COMPREHENSIVE QUESTIONS AND VERIFIED
ANSWERS (complete solutions) ASSURED SUCCESS
(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. - CORRECT ANSWER-a. Provide a dose quantity
| | | | | | | | | | |
related to the probability of damaging health due to stochastic effects from
| | | | | | | | | | | |
exposure to low levels of ionizing radiation.
| | | | | | |
(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 - CORRECT ANSWER-b. False
| | | |
(unit 1) What percentage of the human body is made up of water molecules?
| | | | | | | | | | | | |
,a. 20
b. 40
c. 60
d. 80 - CORRECT ANSWER-d. 80
| | | |
(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 - CORRECT ANSWER-c. Fuel for cell metabolism
| | | | | | | | | | |
(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. - CORRECT ANSWER-a. Spontaneously emit excess energy
| | | | | | | | | |
(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. - CORRECT
| | | | | | | | | | | | | |
ANSWER-c. A radioactive element's rate of decay.
| | | | | | |
(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 - CORRECT ANSWER-d. Radio waves; gamma rays
| | | | | | | | | |
(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. - CORRECT ANSWER-b. Distance
| | | | | | | | | |
between 2 peaks of a waveform.
| | | | | |
(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 - CORRECT ANSWER-b. Photoelectric,
| | | | | | |
Compton, classical |
(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 - CORRECT ANSWER-a. Adenine,
| | | | | | |
guanine, thymine, cytosine
| | |
(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 - CORRECT ANSWER-d. In the cytoplasm
| | | | | | | | | | | |
and in the nucleus
| | | |
(unit 1) The principal inorganic compounds in protoplasm are water and:
| | | | | | | | | |
a. Carbon
b. mineral sugars. |
c. Mineral salts (electrolytes)
| |
d. nitrogen - CORRECT ANSWER-c. Mineral salts (electrolytes)
| | | | | |
UPDATE COMPREHENSIVE QUESTIONS AND VERIFIED
ANSWERS (complete solutions) ASSURED SUCCESS
(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. - CORRECT ANSWER-a. Provide a dose quantity
| | | | | | | | | | |
related to the probability of damaging health due to stochastic effects from
| | | | | | | | | | | |
exposure to low levels of ionizing radiation.
| | | | | | |
(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 - CORRECT ANSWER-b. False
| | | |
(unit 1) What percentage of the human body is made up of water molecules?
| | | | | | | | | | | | |
,a. 20
b. 40
c. 60
d. 80 - CORRECT ANSWER-d. 80
| | | |
(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 - CORRECT ANSWER-c. Fuel for cell metabolism
| | | | | | | | | | |
(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. - CORRECT ANSWER-a. Spontaneously emit excess energy
| | | | | | | | | |
(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. - CORRECT
| | | | | | | | | | | | | |
ANSWER-c. A radioactive element's rate of decay.
| | | | | | |
(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 - CORRECT ANSWER-d. Radio waves; gamma rays
| | | | | | | | | |
(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. - CORRECT ANSWER-b. Distance
| | | | | | | | | |
between 2 peaks of a waveform.
| | | | | |
(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 - CORRECT ANSWER-b. Photoelectric,
| | | | | | |
Compton, classical |
(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 - CORRECT ANSWER-a. Adenine,
| | | | | | |
guanine, thymine, cytosine
| | |
(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 - CORRECT ANSWER-d. In the cytoplasm
| | | | | | | | | | | |
and in the nucleus
| | | |
(unit 1) The principal inorganic compounds in protoplasm are water and:
| | | | | | | | | |
a. Carbon
b. mineral sugars. |
c. Mineral salts (electrolytes)
| |
d. nitrogen - CORRECT ANSWER-c. Mineral salts (electrolytes)
| | | | | |