RAD 110 Final Exam Study Guide | 2026 Radiologic Technology Prep
X-rays were discovered in 1895 in: - (answer)Germany
The inventor of the hot cathode X-ray tube was: - (answer)Crookes
The majority of radiography education programs are based in: - (answer)Colleges
A cassette containing photostimulable phosphor plate is one form of: - (answer)Image receptor
Which of the following is not a basic requirement for the production of x-rays? - (answer)A
photostimulable phosphor
When fast-moving electrons collide with the target of an X-ray tube, the kinetic energy of their motion is
converted into x-rays and: - (answer)Heat
Of the following types of electromagnetic energy, which has the shortest wavelength? - (answer)Gamma
rays
Which of the following is not an accurate statement regarding the characteristics of x-rays? -
(answer)They can be refracted by a lens
The characteristics most often used to describe the energy of an x-ray beam is its: - (answer)Wavelength
An x-ray beam that has been attenuated by matter is called: - (answer)Remnant radiation
A device used to indicate the location of the radiation field and to control its size is called a: -
(answer)Collimator
An x-ray machine that permits viewing of the x-ray image in motion in real time is called: - (answer)A
fluoroscope, invented by Thomas Edison
,RAD 110 Final Exam Study Guide | 2026 Radiologic Technology Prep
The four prime factors of radiographic exposure are exposure time, milliamperage, kilovoltage, and: -
(answer)Source-image distance SID
The prime factor that controls the wavelength of the x-ray beam is: - (answer)Kilovoltage
The prime factor that controls the rate at which x-rays are produced is: - (answer)Milliamperage
The mAs value of an exposure is varied to provide control of: - (answer)Optical density
The imaging system that provides an instantaneous digital image on a monitor is called: - (answer)Digital
radiography
The hardware and software for managing digital images is called: - (answer)PACS
Which of the following factors is not affected by a change in the mA setting? - (answer)OID
Which of the following factors is used to control image contrast? - (answer)kVp
The inverse squares law states that radiation intensity is inversely proportional to the square of the: -
(answer)SID
A variation in the size or shape of the image in comparison to the object it represents is called: -
(answer)Distortion
The product of dose in Grays times the WF is equal to the dose equivalent, which in the SI system is
measured in units called: - (answer)Sieverts
One centigray (cGy) is equal to: - (answer)1 rad
, RAD 110 Final Exam Study Guide | 2026 Radiologic Technology Prep
The laws of Bergonie and Tribondeau state that the sensitivity of cells to radiation injury depends upon 4
principle factors. These factors are cell age, cell complexity, the rate of replication, and: - (answer)The
rate of energy use by the cell
Short-term, predictable radiation effects typically occur as a result of: - (answer)High dose of radiation
exposure, such as those received in radiation therapy
The term radiation sickness refers to: - (answer)Short-term gastrointestinal effects
The effective dose-equivalent limit for whole-body occupational radiation exposure to nonpregnant
radiation workers older than 18 years is: - (answer)50 mSv (5 rem) per year
Long-term radiation effects that are apparently random, and have no threshold amount of exposure
that must be received for them to occur, are termed? - (answer)Stochastic
Genes that are expressed in the individual are said to be: - (answer)Dominant
Which of the following is a type of personal radiation dosimeter? - (answer)OSL
When a pregnant patient requires abdominal or pelvic radiography, the decision to do a limited study
and the determination of the exact limitations to be imposed are the prerogatives of the: -
(answer)Radiologist
The only recognized professional society open to all radiologic technologists in the US today is the: -
(answer)ASRT
Fee-for-service-type health insurance is often appealing to patients because: - (answer)Patients can seek
care from their choice of physicians and hospitals
The nationwide increase in patient visits to the ED is principally due to: - (answer)The inability of
patients to obtain low-cost health insurance
X-rays were discovered in 1895 in: - (answer)Germany
The inventor of the hot cathode X-ray tube was: - (answer)Crookes
The majority of radiography education programs are based in: - (answer)Colleges
A cassette containing photostimulable phosphor plate is one form of: - (answer)Image receptor
Which of the following is not a basic requirement for the production of x-rays? - (answer)A
photostimulable phosphor
When fast-moving electrons collide with the target of an X-ray tube, the kinetic energy of their motion is
converted into x-rays and: - (answer)Heat
Of the following types of electromagnetic energy, which has the shortest wavelength? - (answer)Gamma
rays
Which of the following is not an accurate statement regarding the characteristics of x-rays? -
(answer)They can be refracted by a lens
The characteristics most often used to describe the energy of an x-ray beam is its: - (answer)Wavelength
An x-ray beam that has been attenuated by matter is called: - (answer)Remnant radiation
A device used to indicate the location of the radiation field and to control its size is called a: -
(answer)Collimator
An x-ray machine that permits viewing of the x-ray image in motion in real time is called: - (answer)A
fluoroscope, invented by Thomas Edison
,RAD 110 Final Exam Study Guide | 2026 Radiologic Technology Prep
The four prime factors of radiographic exposure are exposure time, milliamperage, kilovoltage, and: -
(answer)Source-image distance SID
The prime factor that controls the wavelength of the x-ray beam is: - (answer)Kilovoltage
The prime factor that controls the rate at which x-rays are produced is: - (answer)Milliamperage
The mAs value of an exposure is varied to provide control of: - (answer)Optical density
The imaging system that provides an instantaneous digital image on a monitor is called: - (answer)Digital
radiography
The hardware and software for managing digital images is called: - (answer)PACS
Which of the following factors is not affected by a change in the mA setting? - (answer)OID
Which of the following factors is used to control image contrast? - (answer)kVp
The inverse squares law states that radiation intensity is inversely proportional to the square of the: -
(answer)SID
A variation in the size or shape of the image in comparison to the object it represents is called: -
(answer)Distortion
The product of dose in Grays times the WF is equal to the dose equivalent, which in the SI system is
measured in units called: - (answer)Sieverts
One centigray (cGy) is equal to: - (answer)1 rad
, RAD 110 Final Exam Study Guide | 2026 Radiologic Technology Prep
The laws of Bergonie and Tribondeau state that the sensitivity of cells to radiation injury depends upon 4
principle factors. These factors are cell age, cell complexity, the rate of replication, and: - (answer)The
rate of energy use by the cell
Short-term, predictable radiation effects typically occur as a result of: - (answer)High dose of radiation
exposure, such as those received in radiation therapy
The term radiation sickness refers to: - (answer)Short-term gastrointestinal effects
The effective dose-equivalent limit for whole-body occupational radiation exposure to nonpregnant
radiation workers older than 18 years is: - (answer)50 mSv (5 rem) per year
Long-term radiation effects that are apparently random, and have no threshold amount of exposure
that must be received for them to occur, are termed? - (answer)Stochastic
Genes that are expressed in the individual are said to be: - (answer)Dominant
Which of the following is a type of personal radiation dosimeter? - (answer)OSL
When a pregnant patient requires abdominal or pelvic radiography, the decision to do a limited study
and the determination of the exact limitations to be imposed are the prerogatives of the: -
(answer)Radiologist
The only recognized professional society open to all radiologic technologists in the US today is the: -
(answer)ASRT
Fee-for-service-type health insurance is often appealing to patients because: - (answer)Patients can seek
care from their choice of physicians and hospitals
The nationwide increase in patient visits to the ED is principally due to: - (answer)The inability of
patients to obtain low-cost health insurance
