RADIATION PROTECTION IN MEDICAL
RADIOGRAPHY COMPREHENSIVE TEST PAPER
2026 TESTED QUESTIONS AND SOLUTIONS
GUARANTEED TO PASS
◉ Direct action may occur after exposure to any type of radiation,
but it is much more likely to happen after exposure to
a. low-LET radiation such as x-rays.
b. low-LET radiation such as gamma rays.
c. high-LET radiation such as alpha particles.
d. nonionizing radiation such as microwaves. Answer: C
◉ When LET increases, the chance of producing a significant
biologic response in the radiosensitive DNA macromolecule
a. grows.
b. decreases considerably.
c. decreases slightly.
d. remains constant, not increasing or decreasing.. Answer: A
◉ The radiosensitivity of ova
a. remains constant throughout the lifetime of the germ cell.
,b. varies considerably throughout the lifetime of the germ cell.
c. varies slightly throughout the lifetime of the germ cell.
d. is insignificant because the germ cell is not radiosensitive..
Answer: B
◉ Which of the following tissues contain cells that do not divide?
1. Epithelial tissue
2. Muscle tissue
3. Nervous tissue in an adult
a. 1 and 2 only
b. 1 and 3 only
c. 2 and 3 only
d. 1, 2, and 3. Answer: C
◉ If bone marrow cells have not been destroyed by exposure to
ionizing radiation, they can
a. become insensitive to future exposures from ionizing radiation.
b. overpopulate and become radioresistant.
c. remain in circulating blood indefinitely.
d. repopulate after a period of recovery.. Answer: D
, ◉ For persons with hematopoietic syndrome, survival time shortens
as the radiation dose
a. decreases.
b. increases.
c. remains the same.
d. there is no survival time for persons with the hematopoietic
syndrome.. Answer: B
◉ Which of the following is not a form of acute radiation syndrome?
a. Carcinogenic syndrome
b. Hematopoietic syndrome
c. Gastrointestinal syndrome
d. Cerebrovascular syndrome. Answer: A
◉ The term LD 50/30 signifies the whole-body dose of radiation
that can be lethal to
a. 50% of the exposed population in 30 days.
b. 30% of the exposed population in 50 days.
c. 50% of the exposed population in 50 days.
d. 30% of the exposed population in 30 days.. Answer: A
◉ Some local tissues suffer immediate consequences from high
radiation doses. Examples of such tissues include
RADIOGRAPHY COMPREHENSIVE TEST PAPER
2026 TESTED QUESTIONS AND SOLUTIONS
GUARANTEED TO PASS
◉ Direct action may occur after exposure to any type of radiation,
but it is much more likely to happen after exposure to
a. low-LET radiation such as x-rays.
b. low-LET radiation such as gamma rays.
c. high-LET radiation such as alpha particles.
d. nonionizing radiation such as microwaves. Answer: C
◉ When LET increases, the chance of producing a significant
biologic response in the radiosensitive DNA macromolecule
a. grows.
b. decreases considerably.
c. decreases slightly.
d. remains constant, not increasing or decreasing.. Answer: A
◉ The radiosensitivity of ova
a. remains constant throughout the lifetime of the germ cell.
,b. varies considerably throughout the lifetime of the germ cell.
c. varies slightly throughout the lifetime of the germ cell.
d. is insignificant because the germ cell is not radiosensitive..
Answer: B
◉ Which of the following tissues contain cells that do not divide?
1. Epithelial tissue
2. Muscle tissue
3. Nervous tissue in an adult
a. 1 and 2 only
b. 1 and 3 only
c. 2 and 3 only
d. 1, 2, and 3. Answer: C
◉ If bone marrow cells have not been destroyed by exposure to
ionizing radiation, they can
a. become insensitive to future exposures from ionizing radiation.
b. overpopulate and become radioresistant.
c. remain in circulating blood indefinitely.
d. repopulate after a period of recovery.. Answer: D
, ◉ For persons with hematopoietic syndrome, survival time shortens
as the radiation dose
a. decreases.
b. increases.
c. remains the same.
d. there is no survival time for persons with the hematopoietic
syndrome.. Answer: B
◉ Which of the following is not a form of acute radiation syndrome?
a. Carcinogenic syndrome
b. Hematopoietic syndrome
c. Gastrointestinal syndrome
d. Cerebrovascular syndrome. Answer: A
◉ The term LD 50/30 signifies the whole-body dose of radiation
that can be lethal to
a. 50% of the exposed population in 30 days.
b. 30% of the exposed population in 50 days.
c. 50% of the exposed population in 50 days.
d. 30% of the exposed population in 30 days.. Answer: A
◉ Some local tissues suffer immediate consequences from high
radiation doses. Examples of such tissues include
