ASRT - California Supervisor and
Operator Exam Study 2025/2026 Exam
Questions with 100% Correct Answers |
Latest Update
(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. - 🧠 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. - 🧠
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 - 🧠 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. - 🧠 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 - 🧠 ANSWER ✔✔b. Photoelectric,
Compton, classical
(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. - 🧠 ANSWER ✔✔a. Provide a dose quantity
COPYRIGHT©PROFFKERRYMARTIN 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE.
PRIVACY STATEMENT. ALL RIGHTS RESERVED
, 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 - 🧠 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 - 🧠 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
Operator Exam Study 2025/2026 Exam
Questions with 100% Correct Answers |
Latest Update
(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. - 🧠 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. - 🧠
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 - 🧠 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. - 🧠 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 - 🧠 ANSWER ✔✔b. Photoelectric,
Compton, classical
(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. - 🧠 ANSWER ✔✔a. Provide a dose quantity
COPYRIGHT©PROFFKERRYMARTIN 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE.
PRIVACY STATEMENT. ALL RIGHTS RESERVED
, 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 - 🧠 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 - 🧠 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
