RAD 105 EXAM QUESTIONS ANSWERED CORRECTLY LATEST UPDATE 2026
Energy which is transferred and absorbed by matter is known as _____________. - Answers Radiation
Which type of radiation is capable of changing the structure of an atom? - Answers ionizing radiation
Medical x-ray, nuclear medicine, and radiation therapy procedures are responsible for _____ of
radiation exposure to the general public. (Hint: we are looking for a percentage here) - Answers 90%
Which of the following are the most sensitive cells of the body to radiation? - Answers White blood
cells
Production of x-rays occurs when fast moving electrons are suddenly decelerated by interaction with
matter. The kinetic energy of the electrons is converted to x-rays and heat. Less than _____ of the
electrons result in the production of x-rays. (Hint: we are looking for a percentage here) - Answers 1%
What is the radiation measurement unit to measure radioactivity? - Answers curie
Which effect of x-ray interaction with matter is responsible for most occupational exposures to
radiation? - Answers Compton effect
What does ALARA stand for? - Answers As Low As Reasonably Achievable
For what reason must clothing and jewelry be removed from the area to be radiographed? - Answers
they may obscure the are of interest
what imaging modality is considered the "gold standard" for imaging metastasis? - Answers CT
Barium sulfate isa type of contrast media that can be1) swallowed by the patient2) administered to
the patient rectally by enema3) injected into the patient's veins - Answers 1)swallowed by the patient
2)ANDadministered to the patient rectally by enema
Internal preparation of the patient for a radiographic exam is primarily accomplished by the use o -
Answers Cleansing enemas
External preparation of the patient for a radiographic exam is primarily accomplished by doing what -
Answers Removal of clothing , Jeweler, and piercings
An x-ray study of the veins primarily those in the lower leg is called a - Answers venogram
X-ray studies of certain joints such as the knee and shoulder are called - Answers Arthrograms
An x-ray study used to evaluate the patency of oviducts is called - Answers Hysterosalpingogram
The roentgen unit is a measure of the:
a. number of ions created in air.
b.
amount of silver atoms on film
c.
amount of fluorescence from screens.
d.
number of ions created in tissue - Answers a. number of ions created in air.
The stage of life most sensitive to radiation is:
a. fetus
b.
adult
c.
elderlyd.
all may be equally affected - Answers fetus
Quality assurance is the responsibility of
:a) the chief radiologist
b) the chief technologist
c) each radiology employee
d) all of the above - Answers d) all of the above
Quality assurance involves all of the following except: - Answers Cultural diversity of patients
Evaluate the diagram below and identify which type of x-ray production process is being
illustrated**"braking radiation" and is retained from the original German to describe the radiation
which is emitted when electrons are decelerated or "braked" when they are fired at a metal target. -
Answers Bremsstrahlung
A radiopaque anatomical structure is one that - Answers easily absorbs x-rays and prevents them
from reaching the image
Negligence of health care providers is established when? - Answers All the above
Energy which is transferred and absorbed by matter is known as _____________. - Answers Radiation
Which type of radiation is capable of changing the structure of an atom? - Answers ionizing radiation
Medical x-ray, nuclear medicine, and radiation therapy procedures are responsible for _____ of
radiation exposure to the general public. (Hint: we are looking for a percentage here) - Answers 90%
Which of the following are the most sensitive cells of the body to radiation? - Answers White blood
cells
Production of x-rays occurs when fast moving electrons are suddenly decelerated by interaction with
matter. The kinetic energy of the electrons is converted to x-rays and heat. Less than _____ of the
electrons result in the production of x-rays. (Hint: we are looking for a percentage here) - Answers 1%
What is the radiation measurement unit to measure radioactivity? - Answers curie
Which effect of x-ray interaction with matter is responsible for most occupational exposures to
radiation? - Answers Compton effect
What does ALARA stand for? - Answers As Low As Reasonably Achievable
For what reason must clothing and jewelry be removed from the area to be radiographed? - Answers
they may obscure the are of interest
what imaging modality is considered the "gold standard" for imaging metastasis? - Answers CT
Barium sulfate isa type of contrast media that can be1) swallowed by the patient2) administered to
the patient rectally by enema3) injected into the patient's veins - Answers 1)swallowed by the patient
2)ANDadministered to the patient rectally by enema
Internal preparation of the patient for a radiographic exam is primarily accomplished by the use o -
Answers Cleansing enemas
External preparation of the patient for a radiographic exam is primarily accomplished by doing what -
Answers Removal of clothing , Jeweler, and piercings
An x-ray study of the veins primarily those in the lower leg is called a - Answers venogram
X-ray studies of certain joints such as the knee and shoulder are called - Answers Arthrograms
An x-ray study used to evaluate the patency of oviducts is called - Answers Hysterosalpingogram
The roentgen unit is a measure of the:
a. number of ions created in air.
b.
amount of silver atoms on film
c.
amount of fluorescence from screens.
d.
number of ions created in tissue - Answers a. number of ions created in air.
The stage of life most sensitive to radiation is:
a. fetus
b.
adult
c.
elderlyd.
all may be equally affected - Answers fetus
Quality assurance is the responsibility of
:a) the chief radiologist
b) the chief technologist
c) each radiology employee
d) all of the above - Answers d) all of the above
Quality assurance involves all of the following except: - Answers Cultural diversity of patients
Evaluate the diagram below and identify which type of x-ray production process is being
illustrated**"braking radiation" and is retained from the original German to describe the radiation
which is emitted when electrons are decelerated or "braked" when they are fired at a metal target. -
Answers Bremsstrahlung
A radiopaque anatomical structure is one that - Answers easily absorbs x-rays and prevents them
from reaching the image
Negligence of health care providers is established when? - Answers All the above
