1|Page
LIMITED SCOPE OF RADIOGRAPHY
ACTUAL EXAM PREP 2026 ALL
QUESTIONS AND CORRECT
DETAILED ANSWERS ALREADY A
GRADED WITH EXPERT FEEDBACK
|NEW AND REVISED
Radiation monitoring of personnel is required when what percentage of
the annual occupational effective dose limit is likely to be received -
ANSWER- 10%
The conventional (British system) radiation unit to express radiation
intensity in the air - ANSWER- Roentgen
The conventional (British system) unit commonly used to report
occupational dose to radiation workers in the United States is the -
ANSWER- rem
What is the conventional (British system) radiation unit of absorbed
dose - ANSWER- Rad
According to the Bergonie-Tribondeau law, the following types of cells
are most radiosensitive - ANSWER- embryonic tissue cells
,2|Page
Type of x-ray photon interaction with the body is primarily responsible
for the radiation dose absorbed by the patient - ANSWER- Photoelectric
The NCRP (report #102) recommendation for lead equivalency of
aprons used for personnel protection - ANSWER- 0.5 mm
Erythema as it relates to radiation exposure - ANSWER- reddening of
the skin caused by a high radiation dose
The guiding philosophy of radiation protection - ANSWER- ALARA--
as low as reasonably achievable
The following statements reflects current scientific opinion regarding the
effects of diagnostic levels of ionizing radiation - ANSWER- There is an
increased risk of cancer, leukemia, birth defects, and cataracts
The following changes will decrease patient dose - ANSWER- using a
faster-speed class imaging system
Increasing the grid ratio to a 16:1 ratio
When radiation exposure occurs during pregnancy, the greatest risk of
birth defects occurs when the exposure - ANSWER- exceeds 5 rad to the
uterus
Occurs within the first trimester of pregnancy
, 3|Page
At what kvp levels do Compton interactions occur - ANSWER- they
occur throughout the diagnostic radiology kvp range
The principal source of scatter radiation in radiography - ANSWER-
The IR
The four essentials elements required for x-ray production - ANSWER-
A target, a vacuum, an electron source, and a high potential difference
The greatest portion of the x-ray beam is made up of - ANSWER-
Bremsstrahlung radiation
The penetrating power of the x-ray beam is controlled by varying the -
ANSWER- kilovoltage (kvp)
The following functions involve the autotransformer - ANSWER- kvp
selection
What is the IR that is used for computed radiography - ANSWER-
Photostimulable phosphor (PSP) plate
Nearly all new x-ray machines manufactured today use
_________________ generators - ANSWER- High-frequency
The target of the x-ray tube is made of - ANSWER- tungsten
LIMITED SCOPE OF RADIOGRAPHY
ACTUAL EXAM PREP 2026 ALL
QUESTIONS AND CORRECT
DETAILED ANSWERS ALREADY A
GRADED WITH EXPERT FEEDBACK
|NEW AND REVISED
Radiation monitoring of personnel is required when what percentage of
the annual occupational effective dose limit is likely to be received -
ANSWER- 10%
The conventional (British system) radiation unit to express radiation
intensity in the air - ANSWER- Roentgen
The conventional (British system) unit commonly used to report
occupational dose to radiation workers in the United States is the -
ANSWER- rem
What is the conventional (British system) radiation unit of absorbed
dose - ANSWER- Rad
According to the Bergonie-Tribondeau law, the following types of cells
are most radiosensitive - ANSWER- embryonic tissue cells
,2|Page
Type of x-ray photon interaction with the body is primarily responsible
for the radiation dose absorbed by the patient - ANSWER- Photoelectric
The NCRP (report #102) recommendation for lead equivalency of
aprons used for personnel protection - ANSWER- 0.5 mm
Erythema as it relates to radiation exposure - ANSWER- reddening of
the skin caused by a high radiation dose
The guiding philosophy of radiation protection - ANSWER- ALARA--
as low as reasonably achievable
The following statements reflects current scientific opinion regarding the
effects of diagnostic levels of ionizing radiation - ANSWER- There is an
increased risk of cancer, leukemia, birth defects, and cataracts
The following changes will decrease patient dose - ANSWER- using a
faster-speed class imaging system
Increasing the grid ratio to a 16:1 ratio
When radiation exposure occurs during pregnancy, the greatest risk of
birth defects occurs when the exposure - ANSWER- exceeds 5 rad to the
uterus
Occurs within the first trimester of pregnancy
, 3|Page
At what kvp levels do Compton interactions occur - ANSWER- they
occur throughout the diagnostic radiology kvp range
The principal source of scatter radiation in radiography - ANSWER-
The IR
The four essentials elements required for x-ray production - ANSWER-
A target, a vacuum, an electron source, and a high potential difference
The greatest portion of the x-ray beam is made up of - ANSWER-
Bremsstrahlung radiation
The penetrating power of the x-ray beam is controlled by varying the -
ANSWER- kilovoltage (kvp)
The following functions involve the autotransformer - ANSWER- kvp
selection
What is the IR that is used for computed radiography - ANSWER-
Photostimulable phosphor (PSP) plate
Nearly all new x-ray machines manufactured today use
_________________ generators - ANSWER- High-frequency
The target of the x-ray tube is made of - ANSWER- tungsten
