Comprehensive Mock
Examination: Introduction to
Radiologic & Imaging
Sciences and Patient Care, 8th
Edition
Instructions for Examinee
This comprehensive mock examination is designed to assess your knowledge and
understanding of the core concepts presented in Introduction to Radiologic & Imaging Sciences
& Patient Care, 8th Edition by Adler, Carlton, and Stewart. The 65 questions cover all 26
chapters, organized by the textbook's four primary units.
For the most effective preparation, it is recommended that you complete the entire examination
in one sitting. Choose the single best answer for each question. After completing all questions,
review your answers using the detailed Answer Key and Rationales provided at the end of this
document. Pay close attention to the rationales, as they provide in-depth explanations for the
correct answer and clarify why the other options are incorrect.
Section 1: The Profession of Radiologic and
Imaging Sciences
1. Who is credited with the discovery of x-rays on November 8, 1895? a) Marie Curie b)
Antoine Henri Becquerel c) Wilhelm C. Roentgen d) Thomas Edison
2. The use of x-rays to create a medical image on a patient is referred to as: a)
Sonography b) Radiography c) Magnetic Resonance Imaging d) Thermography
3. A physician is ordering an imaging study for a pregnant patient and is concerned
about the use of ionizing radiation. Which of the following imaging modalities uses no
ionizing radiation? a) Computed Tomography (CT) b) Nuclear Medicine c) Radiography d)
Magnetic Resonance Imaging (MRI)
4. Which organization is responsible for the programmatic accreditation of radiologic and
imaging sciences educational programs? a) American Registry of Radiologic Technologists
(ARRT) b) American Society of Radiologic Technologists (ASRT) c) Joint Review Committee on
Education in Radiologic Technology (JRCERT) d) Radiological Society of North America
(RSNA)
5. Which organization is primarily responsible for the certification and registration of
radiologic technologists in the United States? a) American Registry of Radiologic
Technologists (ARRT) b) American Society of Radiologic Technologists (ASRT) c) Joint Review
,Committee on Education in Radiologic Technology (JRCERT) d) American College of Radiology
(ACR)
6. Which organization serves as the primary professional society for radiologic
technologists, providing advocacy, continuing education, and the development of
Practice Standards? a) American Registry of Radiologic Technologists (ARRT) b) American
Society of Radiologic Technologists (ASRT) c) Joint Review Committee on Education in
Radiologic Technology (JRCERT) d) International Society of Radiographers and Radiological
Technologists (ISRRT)
7. A radiologic technologist is unsure about the most current, professionally reviewed
guidelines for performing a specific, complex imaging procedure. Which organization's
published documents should the technologist consult for these guidelines? a) The
American Registry of Radiologic Technologists (ARRT) Standards of Ethics b) The American
Society of Radiologic Technologists (ASRT) Practice Standards c) The Joint Review Committee
on Education in Radiologic Technology (JRCERT) Essentials and Guidelines d) The American
Medical Association (AMA) Code of Medical Ethics
8. Which healthcare professional is a licensed physician with specialized training in the
interpretation of medical images to aid in patient diagnosis? a) Radiologic Technologist b)
Radiologist Assistant (RA) c) Radiologist d) Medical Physicist
9. Which pioneer in radiation science won two Nobel Prizes and is credited with the
discovery of two radioactive elements, polonium and radium? a) Wilhelm C. Roentgen b)
Antoine Henri Becquerel c) Marie Curie d) William Coolidge
10. The discovery of x-rays and their properties almost immediately led to concerns
about their biological effects. By 1904, the first radiation-induced deaths were recorded,
leading to the development of what crucial concept? a) The Inverse Square Law b) The Law
of Bergonie and Tribondeau c) Radiation protection measures, such as lead shielding d)
Computed Tomography
Section 2: The Clinical Environment and
Radiation Sciences
11. In the x-ray tube, what is the name of the process by which electrons are "boiled off"
from the cathode filament as it is heated? a) Thermionic emission b) Bremsstrahlung c)
Characteristic interaction d) Anode-heel effect
12. The two primary components of an x-ray tube, housed within a vacuum enclosure, are
the: a) Collimator and filter b) Cathode and anode c) Stator and rotor d) Generator and
transformer
13. The implementation of a rotating anode in an x-ray tube is primarily designed to
address what physical phenomenon during x-ray production? a) The rapid acceleration of
electrons b) The inefficient production of x-rays, where 99% of energy is converted to heat c)
The need to create a specific energy spectrum for characteristic radiation d) The "space charge
effect" around the cathode
14. In the x-ray tube, which interaction is responsible for the majority of x-ray photons in
the beam and is named from the German word for "braking radiation"? a) Photoelectric
effect b) Compton scattering c) Characteristic interaction d) Bremsstrahlung interaction
15. Which type of radiation production occurs when a high-speed projectile electron
collides with and ejects an inner-shell electron (e.g., K-shell) from a target atom? a)
Bremsstrahlung radiation b) Characteristic radiation c) Compton scatter d) Pair production
, 16. What are the three cardinal principles of radiation protection, also known as the
guiding principles of ALARA? a) Time, Distance, and Shielding b) Dose, Exposure, and
Shielding c) Collimation, Filtration, and Gonadal Shielding d) Time, Collimation, and Distance
17. A technologist is performing a lengthy fluoroscopic procedure. Which cardinal
principle is most directly controlled by the technologist limiting the fluoroscopy beam-on
time? a) Distance b) Shielding c) Time d) Filtration
18. A technologist preparing to perform a portable x-ray in the ICU wears a lead apron.
This action is an application of which cardinal principle of radiation protection? a) Time
b) Distance c) Shielding d) Collimation
19. When a technologist takes two steps back from the patient's bedside before making a
mobile x-ray exposure, they are applying which cardinal principle of radiation protection?
a) Time b) Distance c) Shielding d) Filtration
20. The Inverse Square Law describes the relationship between radiation intensity and
distance. It states that the intensity of the radiation is: a) Directly proportional to the
distance b) Inversely proportional to the distance c) Directly proportional to the square of the
distance d) Inversely proportional to the square of the distance
21. A radiologic technologist is performing a mobile x-ray. Which of the following actions
will provide the greatest reduction in their personal occupational exposure, based on the
principles of radiation protection? a) Doing the exam as fast as possible to reduce time b)
Wearing a standard 0.5 mm lead-equivalent apron c) Doubling their distance from the patient
and x-ray tube d) Using a collimator to restrict the beam size
22. The Law of Bergonie and Tribondeau establishes the relationship between cellular
radiosensitivity and the cell's characteristics. This law states that radiosensitivity is
directly proportional to: a) The degree of cell differentiation b) The mitotic activity of the cell c)
The age of the organism d) The cell's ability to repair 23. The Law of Bergonie and
Tribondeau is a foundational concept in radiobiology because it explains both: a) Why
cancer cells can be destroyed by radiation therapy and why embryos are highly sensitive to
radiation b) How the Inverse Square Law works and how lead shielding attenuates x-rays c) The
processes of Bremsstrahlung and Characteristic x-ray production d) The difference between
medical and surgical asepsis
24. According to radiobiology, which phase of the human cell cycle is considered the
most radiosensitive? a) S phase (Synthesis) b) G1 phase (First growth) c) M phase (Mitosis)
d) G2 phase (Second growth)
25. According to radiobiology, which phase of the human cell cycle is considered the
least radiosensitive, as the cell is replicating its DNA? a) S phase (Synthesis) b) M phase
(Mitosis) c) G1 phase (First growth) d) Telophase
26. Based on the Law of Bergonie and Tribondeau, which of the following human tissues
is considered the most radiosensitive? a) Muscle cells b) Nerve cells c) Bone marrow d)
Adult bone
27. Based on the Law of Bergonie and Tribondeau, which of the following human tissues
is considered the most radioresistant (least sensitive)? a) Gonadal tissue (spermatozoa) b)
Fetal tissue c) Brain and nerve tissue d) Intestinal crypt cells
28. In radiography, anatomic structures that are dense and absorb x-ray photons, such as
bone or barium, are described as: a) Radiolucent b) Radiopaque c) Attenuated d) Isodense
Section 3: Patient Care and Procedural Skills
Examination: Introduction to
Radiologic & Imaging
Sciences and Patient Care, 8th
Edition
Instructions for Examinee
This comprehensive mock examination is designed to assess your knowledge and
understanding of the core concepts presented in Introduction to Radiologic & Imaging Sciences
& Patient Care, 8th Edition by Adler, Carlton, and Stewart. The 65 questions cover all 26
chapters, organized by the textbook's four primary units.
For the most effective preparation, it is recommended that you complete the entire examination
in one sitting. Choose the single best answer for each question. After completing all questions,
review your answers using the detailed Answer Key and Rationales provided at the end of this
document. Pay close attention to the rationales, as they provide in-depth explanations for the
correct answer and clarify why the other options are incorrect.
Section 1: The Profession of Radiologic and
Imaging Sciences
1. Who is credited with the discovery of x-rays on November 8, 1895? a) Marie Curie b)
Antoine Henri Becquerel c) Wilhelm C. Roentgen d) Thomas Edison
2. The use of x-rays to create a medical image on a patient is referred to as: a)
Sonography b) Radiography c) Magnetic Resonance Imaging d) Thermography
3. A physician is ordering an imaging study for a pregnant patient and is concerned
about the use of ionizing radiation. Which of the following imaging modalities uses no
ionizing radiation? a) Computed Tomography (CT) b) Nuclear Medicine c) Radiography d)
Magnetic Resonance Imaging (MRI)
4. Which organization is responsible for the programmatic accreditation of radiologic and
imaging sciences educational programs? a) American Registry of Radiologic Technologists
(ARRT) b) American Society of Radiologic Technologists (ASRT) c) Joint Review Committee on
Education in Radiologic Technology (JRCERT) d) Radiological Society of North America
(RSNA)
5. Which organization is primarily responsible for the certification and registration of
radiologic technologists in the United States? a) American Registry of Radiologic
Technologists (ARRT) b) American Society of Radiologic Technologists (ASRT) c) Joint Review
,Committee on Education in Radiologic Technology (JRCERT) d) American College of Radiology
(ACR)
6. Which organization serves as the primary professional society for radiologic
technologists, providing advocacy, continuing education, and the development of
Practice Standards? a) American Registry of Radiologic Technologists (ARRT) b) American
Society of Radiologic Technologists (ASRT) c) Joint Review Committee on Education in
Radiologic Technology (JRCERT) d) International Society of Radiographers and Radiological
Technologists (ISRRT)
7. A radiologic technologist is unsure about the most current, professionally reviewed
guidelines for performing a specific, complex imaging procedure. Which organization's
published documents should the technologist consult for these guidelines? a) The
American Registry of Radiologic Technologists (ARRT) Standards of Ethics b) The American
Society of Radiologic Technologists (ASRT) Practice Standards c) The Joint Review Committee
on Education in Radiologic Technology (JRCERT) Essentials and Guidelines d) The American
Medical Association (AMA) Code of Medical Ethics
8. Which healthcare professional is a licensed physician with specialized training in the
interpretation of medical images to aid in patient diagnosis? a) Radiologic Technologist b)
Radiologist Assistant (RA) c) Radiologist d) Medical Physicist
9. Which pioneer in radiation science won two Nobel Prizes and is credited with the
discovery of two radioactive elements, polonium and radium? a) Wilhelm C. Roentgen b)
Antoine Henri Becquerel c) Marie Curie d) William Coolidge
10. The discovery of x-rays and their properties almost immediately led to concerns
about their biological effects. By 1904, the first radiation-induced deaths were recorded,
leading to the development of what crucial concept? a) The Inverse Square Law b) The Law
of Bergonie and Tribondeau c) Radiation protection measures, such as lead shielding d)
Computed Tomography
Section 2: The Clinical Environment and
Radiation Sciences
11. In the x-ray tube, what is the name of the process by which electrons are "boiled off"
from the cathode filament as it is heated? a) Thermionic emission b) Bremsstrahlung c)
Characteristic interaction d) Anode-heel effect
12. The two primary components of an x-ray tube, housed within a vacuum enclosure, are
the: a) Collimator and filter b) Cathode and anode c) Stator and rotor d) Generator and
transformer
13. The implementation of a rotating anode in an x-ray tube is primarily designed to
address what physical phenomenon during x-ray production? a) The rapid acceleration of
electrons b) The inefficient production of x-rays, where 99% of energy is converted to heat c)
The need to create a specific energy spectrum for characteristic radiation d) The "space charge
effect" around the cathode
14. In the x-ray tube, which interaction is responsible for the majority of x-ray photons in
the beam and is named from the German word for "braking radiation"? a) Photoelectric
effect b) Compton scattering c) Characteristic interaction d) Bremsstrahlung interaction
15. Which type of radiation production occurs when a high-speed projectile electron
collides with and ejects an inner-shell electron (e.g., K-shell) from a target atom? a)
Bremsstrahlung radiation b) Characteristic radiation c) Compton scatter d) Pair production
, 16. What are the three cardinal principles of radiation protection, also known as the
guiding principles of ALARA? a) Time, Distance, and Shielding b) Dose, Exposure, and
Shielding c) Collimation, Filtration, and Gonadal Shielding d) Time, Collimation, and Distance
17. A technologist is performing a lengthy fluoroscopic procedure. Which cardinal
principle is most directly controlled by the technologist limiting the fluoroscopy beam-on
time? a) Distance b) Shielding c) Time d) Filtration
18. A technologist preparing to perform a portable x-ray in the ICU wears a lead apron.
This action is an application of which cardinal principle of radiation protection? a) Time
b) Distance c) Shielding d) Collimation
19. When a technologist takes two steps back from the patient's bedside before making a
mobile x-ray exposure, they are applying which cardinal principle of radiation protection?
a) Time b) Distance c) Shielding d) Filtration
20. The Inverse Square Law describes the relationship between radiation intensity and
distance. It states that the intensity of the radiation is: a) Directly proportional to the
distance b) Inversely proportional to the distance c) Directly proportional to the square of the
distance d) Inversely proportional to the square of the distance
21. A radiologic technologist is performing a mobile x-ray. Which of the following actions
will provide the greatest reduction in their personal occupational exposure, based on the
principles of radiation protection? a) Doing the exam as fast as possible to reduce time b)
Wearing a standard 0.5 mm lead-equivalent apron c) Doubling their distance from the patient
and x-ray tube d) Using a collimator to restrict the beam size
22. The Law of Bergonie and Tribondeau establishes the relationship between cellular
radiosensitivity and the cell's characteristics. This law states that radiosensitivity is
directly proportional to: a) The degree of cell differentiation b) The mitotic activity of the cell c)
The age of the organism d) The cell's ability to repair 23. The Law of Bergonie and
Tribondeau is a foundational concept in radiobiology because it explains both: a) Why
cancer cells can be destroyed by radiation therapy and why embryos are highly sensitive to
radiation b) How the Inverse Square Law works and how lead shielding attenuates x-rays c) The
processes of Bremsstrahlung and Characteristic x-ray production d) The difference between
medical and surgical asepsis
24. According to radiobiology, which phase of the human cell cycle is considered the
most radiosensitive? a) S phase (Synthesis) b) G1 phase (First growth) c) M phase (Mitosis)
d) G2 phase (Second growth)
25. According to radiobiology, which phase of the human cell cycle is considered the
least radiosensitive, as the cell is replicating its DNA? a) S phase (Synthesis) b) M phase
(Mitosis) c) G1 phase (First growth) d) Telophase
26. Based on the Law of Bergonie and Tribondeau, which of the following human tissues
is considered the most radiosensitive? a) Muscle cells b) Nerve cells c) Bone marrow d)
Adult bone
27. Based on the Law of Bergonie and Tribondeau, which of the following human tissues
is considered the most radioresistant (least sensitive)? a) Gonadal tissue (spermatozoa) b)
Fetal tissue c) Brain and nerve tissue d) Intestinal crypt cells
28. In radiography, anatomic structures that are dense and absorb x-ray photons, such as
bone or barium, are described as: a) Radiolucent b) Radiopaque c) Attenuated d) Isodense
Section 3: Patient Care and Procedural Skills
