MDAS Radiology Test QUESTIONS N
ANSWERS 2025/2026
Radiation - CORRECT ANSWER ✔✔The emission of energy in the form of waves through space
or a material
X-radiation - CORRECT ANSWER ✔✔Is a high-energy ionizing electromagnetic radiation
X-ray - CORRECT ANSWER ✔✔A form of ionizing radiation is the
Radiology - CORRECT ANSWER ✔✔is the science or study of radiation as used in medicine
A radiograph - CORRECT ANSWER ✔✔is an image produced on photosensitive film by exposing
the film to x-rays and then processing it
dental radiography - CORRECT ANSWER ✔✔the making of radiographs of the teeth and
adjacent structures through exposure to x-rays is
ionizing radiation - CORRECT ANSWER ✔✔is radiation that produces ionization
anode - CORRECT ANSWER ✔✔The positive electrode in the X-ray tube is the
cathode - CORRECT ANSWER ✔✔The negative electrode in the X-ray tube is the
The primary beam - CORRECT ANSWER ✔✔Is the most penetrating beam produced at the
target of the anode
, Ion - CORRECT ANSWER ✔✔An electrically charged particle is an
The kilovoltage peak - CORRECT ANSWER ✔✔Is the X-ray tube peak voltage used during an x-ray
exposure
A milliampere - CORRECT ANSWER ✔✔Is 1/1000 of an ampere, a unit of measurement used to
describe the intensity of an electric current
Electrons - CORRECT ANSWER ✔✔Tiny negatively charged particles found in the atom are
The tungsten target - CORRECT ANSWER ✔✔Is a focal spot in the anode
Contrast - CORRECT ANSWER ✔✔Is the difference in degrees of blackness on a radiograph
Density - CORRECT ANSWER ✔✔Is the overall darkness or blackness of a radiograph
Dose - CORRECT ANSWER ✔✔The amount of energy absorbed by tissues is its
Genetic effects - CORRECT ANSWER ✔✔Are effects of radiation that are passed on to future
generations through genetic cells
Somatic effects - CORRECT ANSWER ✔✔Effects of radiation that cause illness that is responsible
for poor health are
Latent period - CORRECT ANSWER ✔✔The time between exposure to ionizing radiation and the
appearance of symptoms is the
ANSWERS 2025/2026
Radiation - CORRECT ANSWER ✔✔The emission of energy in the form of waves through space
or a material
X-radiation - CORRECT ANSWER ✔✔Is a high-energy ionizing electromagnetic radiation
X-ray - CORRECT ANSWER ✔✔A form of ionizing radiation is the
Radiology - CORRECT ANSWER ✔✔is the science or study of radiation as used in medicine
A radiograph - CORRECT ANSWER ✔✔is an image produced on photosensitive film by exposing
the film to x-rays and then processing it
dental radiography - CORRECT ANSWER ✔✔the making of radiographs of the teeth and
adjacent structures through exposure to x-rays is
ionizing radiation - CORRECT ANSWER ✔✔is radiation that produces ionization
anode - CORRECT ANSWER ✔✔The positive electrode in the X-ray tube is the
cathode - CORRECT ANSWER ✔✔The negative electrode in the X-ray tube is the
The primary beam - CORRECT ANSWER ✔✔Is the most penetrating beam produced at the
target of the anode
, Ion - CORRECT ANSWER ✔✔An electrically charged particle is an
The kilovoltage peak - CORRECT ANSWER ✔✔Is the X-ray tube peak voltage used during an x-ray
exposure
A milliampere - CORRECT ANSWER ✔✔Is 1/1000 of an ampere, a unit of measurement used to
describe the intensity of an electric current
Electrons - CORRECT ANSWER ✔✔Tiny negatively charged particles found in the atom are
The tungsten target - CORRECT ANSWER ✔✔Is a focal spot in the anode
Contrast - CORRECT ANSWER ✔✔Is the difference in degrees of blackness on a radiograph
Density - CORRECT ANSWER ✔✔Is the overall darkness or blackness of a radiograph
Dose - CORRECT ANSWER ✔✔The amount of energy absorbed by tissues is its
Genetic effects - CORRECT ANSWER ✔✔Are effects of radiation that are passed on to future
generations through genetic cells
Somatic effects - CORRECT ANSWER ✔✔Effects of radiation that cause illness that is responsible
for poor health are
Latent period - CORRECT ANSWER ✔✔The time between exposure to ionizing radiation and the
appearance of symptoms is the
