Radiation Dosimetry in CT- (Computed
Tomography) Chapter 14 Exam Actual
Questions and Answers 2026
Which is not a strategy for reducing CT radiation dose? -
correct answer ✅Maximize the use of thin slices
Which statement is true about the public's perception of risk? -
correct answer ✅People are more concerned about risks that are
not under personal control (e.g., pesticides on food) than those
that are under personal control (e.g., driving a car).
When the radiation doses used in adult protocols are used in
neonates or young children, the effective dose is up to what
percent greater? -
correct answer ✅50%
About how many times greater is radiation exposure from a whole
body CT scan than from a chest x-ray? -
correct answer ✅100 times greater
Given the same dose of radiation, how many times more likely is it
for a 1-year-old infant to develop a malignancy than it is for a 50-
year-old adult? -
correct answer ✅Six times
, Radiation Dosimetry in CT- (Computed
Tomography) Chapter 14 Exam Actual
Questions and Answers 2026
How much do extra images add to the patient's radiation dose from
the examination? -
correct answer ✅Approximately 10%
In conventional film-screen radiography, how much of the radiation
does the skin of the entrance plane receive? -
correct answer ✅100%
It is estimated that what percent of all pediatric CT examinations
are not clearly indicated? -
correct answer ✅40%
The _____________ dose is the product of the absorbed dose and
a radiation weighting factor. -
correct answer ✅equivalent
Which is not a primary factor of special relevance to the use of CT
in pediatric radiology? -
correct answer ✅Increased examination costs
Tomography) Chapter 14 Exam Actual
Questions and Answers 2026
Which is not a strategy for reducing CT radiation dose? -
correct answer ✅Maximize the use of thin slices
Which statement is true about the public's perception of risk? -
correct answer ✅People are more concerned about risks that are
not under personal control (e.g., pesticides on food) than those
that are under personal control (e.g., driving a car).
When the radiation doses used in adult protocols are used in
neonates or young children, the effective dose is up to what
percent greater? -
correct answer ✅50%
About how many times greater is radiation exposure from a whole
body CT scan than from a chest x-ray? -
correct answer ✅100 times greater
Given the same dose of radiation, how many times more likely is it
for a 1-year-old infant to develop a malignancy than it is for a 50-
year-old adult? -
correct answer ✅Six times
, Radiation Dosimetry in CT- (Computed
Tomography) Chapter 14 Exam Actual
Questions and Answers 2026
How much do extra images add to the patient's radiation dose from
the examination? -
correct answer ✅Approximately 10%
In conventional film-screen radiography, how much of the radiation
does the skin of the entrance plane receive? -
correct answer ✅100%
It is estimated that what percent of all pediatric CT examinations
are not clearly indicated? -
correct answer ✅40%
The _____________ dose is the product of the absorbed dose and
a radiation weighting factor. -
correct answer ✅equivalent
Which is not a primary factor of special relevance to the use of CT
in pediatric radiology? -
correct answer ✅Increased examination costs
