©THEBRIGHT 2025 ALL RIGHTS RESERVED 11:11PM.
Rad 1125 Midterm Exam Questions And
Answers 2025 Update.
Who is a radiographer? - Answer✔A radiographer is a radiologic technologist who administers
ionizing radiation to perform radiographic procedures
Explain ALARA - Answer✔ALARA stands for "as low as reasonably achievable" and is the
fundamental radiation protection protocol for radiographers.
ARRT - Answer✔American Registry of Radiologic Technologists
ASRT - Answer✔American Society of Radiologic Technologists
What do the ASRT and ARRT do for the radiologic technology profession - Answer✔The ASRT
wrote and maintains the Radiography Practice Standards. They define the practice of
radiography, describe necessary education and certification, and include the Radiographer
Scope of Practice. In addition, the practice standards include Clinical Performance Standards,
Quality Performance Standards, and Professional Performance Standards.
The American Registry of Radiologic Technologists (ARRT) created and maintains the Standards
of Ethics that apply to all radiologic technologists who are certified by the organization.
How often should the radiographic table be cleaned? - Answer✔The radiographic table should
be cleaned after each patient.
How do members of the radiologic technology profession help to control pathogen
contamination? - Answer✔By following Standard Precautions and Transmission-based
precautions
What is the easiest and most convenient method to prevent the spread of microorganisms? -
Answer✔Washing the hands
When using a free IR to perform an examination on an isolation patient, the IR should be placed
_________ the sheet - Answer✔Under
What protective apparel should radiographers wear if the possibility of touching blood exists? -
Answer✔Disposable gloves
1
,©THEBRIGHT 2025 ALL RIGHTS RESERVED 11:11PM.
What procedure should be followed to dispose of used hypodermic needles properly? -
Answer✔Place them in a puncture-proof container
List procedures that require aseptic technique when performed in the radiology department. -
Answer✔Cystography, intravenous urography, spinal puncture, arthrography, angiography
True or false. When performing an examination in the operating room (OR), position the C-arm
next to the operating table on the same side as the surgeon - Answer✔False, to the side
opposite of surgeon
Before beginning a radiographic examination, what should the radiographer do to gain the
cooperation of a coherent patient? - Answer✔Give an explanation of the procedure to be
performed.
What is the minimum number of personnel that should be used to transfer a helpless patient
from a gurney to the radiographic table? - Answer✔Four
When the radiologist is unable to see the patient, who is responsible for ensuring that an
adequate clinical history accompanies the radiographs? - Answer✔Radiographer
What is the role of the radiographer in interpretation of radiographic images? How should
requests for interpretations be handled? - Answer✔Interpretation of images is outside of the
scope of practice for radiographers. Requests for interpretations must be referred to a qualified
physician, such as a radiologist.
List the three ways a patient's colon may be cleansed for an abdominal examination. -
Answer✔Limited diet, laxatives, and enemas
True or false. If washable gowns are used, they should be starched; starch is radiolucent, which
means it can be penetrated easily by x-rays. - Answer✔False, starch is radiopaque
Why is it necessary to ensure that any folds in cloth gowns are straightened out before making
the radiographic exposure? - Answer✔To prevent confusing shadows (artifacts)
What devices must be removed from the patient within the area of interest when the skull is
examined? - Answer✔Dentures, removable bridgework, earrings, necklaces, hairpins, and
eyeglasses
Identify the three types of muscular tissue and state the type of motion (voluntary or
involuntary) associated with each. - Answer✔Smooth, involuntary (peristalsis); cardiac,
involuntary (systole); and striated, voluntary
The rhythmic motion of smooth muscle structures is called _________________________. -
Answer✔Peristalsis
What exposure factor is used to control involuntary motion? - Answer✔Exposure time
What body system controls the movement of voluntary muscles? - Answer✔Central nervous
system
2
,©THEBRIGHT 2025 ALL RIGHTS RESERVED 11:11PM.
From the following list, circle the four ways voluntary motion can be controlled by a
radiographer.
a. Increase mAs
b. Decrease mAs
c. Apply immobilization
d. Give clear instructions
e. Adjust support devices
f. Increase exposure time
g. Decrease exposure time
h. Provide patient comfort - Answer✔c, d, e, g
True of False. Most exams require the patient to hold their breath at some phase of respiration,
such as the end of inhalation or exhalation - Answer✔True
Define image receptor (IR) - Answer✔A device that receives the energy of the x-ray beam and
forms the image of the body part
List the four types of IRs used in diagnostic radiology - Answer✔Solid-state digital detector,
photostimulable storage phosphor image plate (IP), fluoroscopic image receptor (IR), and
cassette with film.
According to the recommended procedural steps, what should the radiographer do before
releasing or returning the patient? - Answer✔Evaluate the radiograph
What are the prime technical factors under control of the radiographer? -
Answer✔milliamperage (mA), kilovolt peak (kVp), and exposure time (seconds)
What are the three general positions of the IR? Which IR position is used most frequently? -
Answer✔lengthwise, crosswise, and diagonal; lengthwise
Regardless of the IR size, it is the radiographer's responsibility to ____________________ to
the bodypart. - Answer✔collimate the exposure field
What adjustment can be made by the radiographer to compensate for an increase in OID -
Answer✔Increase the SID
List four reasons why it would become necessary to angle the central ray. - Answer✔To avoid
the superimposition of overlying or underlying structures, to avoid superimposing a curved
structure on itself, to project through angled joints, and to project through angled structures
without foreshortening or elongation
The distance from the anode focal spot inside the x-ray tube to the IR is the ___________. -
Answer✔SID (source-to-image receptor distance)
3
, ©THEBRIGHT 2025 ALL RIGHTS RESERVED 11:11PM.
What 3 factors are affected by SID? - Answer✔magnification, spatial resolution, and patient
dose
The traditional minimum SID used for most conventional radiographic exams is ______, but
recently, the SID has been increased to ______________. - Answer✔40 inches (102 cm); 44-48
inches (112-122 cm)
What is the minimum SID for chest radiography? - Answer✔72 inches (183 cm)
List two purposes of collimation when restricted to irradiate only the anatomy of interest. -
Answer✔First, it minimizes the amount of radiation to the patient by restricting exposure to
essential anatomy only. Second, it reduces the amount of scatter radiation that can reach the
IR, which reduces the potential for a reduction in contrast resolution.
True or false. Creating an image using a larger than required (necessary) field size is a violation
of the ARRT Code of Ethics. - Answer✔True
True or false. Shuttering of direct digital images is an acceptable substitution for proper
collimation. - Answer✔False. Shuttering gives only the displayed image the appearance of
proper collimation and does not protect the patient from unnecessary radiation exposure. The
use of shuttering in place of proper collimation is a violation of the ARRT Code of Ethics and a
potential legal liability
From the following list, indicate which of the following isnot recommended or unacceptable for
right and left side marker placement.
a. Use of electronic insertion of the side marker in digital imaging
b. Placement of the marker in the anatomy of interest
c. Placement of the marker on the border of the collimated field
d. Placing the marker directly on the body part - Answer✔a, b, d
Define and describe the anatomic position. - Answer✔Refers to a position in which the patient
is standing erect with the face and eyes directed forward, arms extended by the sides with the
palms of the hands facing forward, heels together, and toes pointing anteriorly
Describe how a posteroanterior (PA) projection radiograph of the chest should be oriented on
the display monitor. - Answer✔Radiographs are usually oriented on the display monitor so that
the person looking at the image sees the body part as though viewed facing the patient.
Describe how lateral projection radiographs should be displayed. - Answer✔As though the
viewer sees the patient from the perspective of the x-ray tube (display the image so that the
side of the patient closer to the IR during the procedure is also the side of the image closer to
the viewbox)
Describe how hand and foot radiographs should be displayed. - Answer✔With the digits
pointing upward and as viewed from the perspective of the x-ray tube
4
Rad 1125 Midterm Exam Questions And
Answers 2025 Update.
Who is a radiographer? - Answer✔A radiographer is a radiologic technologist who administers
ionizing radiation to perform radiographic procedures
Explain ALARA - Answer✔ALARA stands for "as low as reasonably achievable" and is the
fundamental radiation protection protocol for radiographers.
ARRT - Answer✔American Registry of Radiologic Technologists
ASRT - Answer✔American Society of Radiologic Technologists
What do the ASRT and ARRT do for the radiologic technology profession - Answer✔The ASRT
wrote and maintains the Radiography Practice Standards. They define the practice of
radiography, describe necessary education and certification, and include the Radiographer
Scope of Practice. In addition, the practice standards include Clinical Performance Standards,
Quality Performance Standards, and Professional Performance Standards.
The American Registry of Radiologic Technologists (ARRT) created and maintains the Standards
of Ethics that apply to all radiologic technologists who are certified by the organization.
How often should the radiographic table be cleaned? - Answer✔The radiographic table should
be cleaned after each patient.
How do members of the radiologic technology profession help to control pathogen
contamination? - Answer✔By following Standard Precautions and Transmission-based
precautions
What is the easiest and most convenient method to prevent the spread of microorganisms? -
Answer✔Washing the hands
When using a free IR to perform an examination on an isolation patient, the IR should be placed
_________ the sheet - Answer✔Under
What protective apparel should radiographers wear if the possibility of touching blood exists? -
Answer✔Disposable gloves
1
,©THEBRIGHT 2025 ALL RIGHTS RESERVED 11:11PM.
What procedure should be followed to dispose of used hypodermic needles properly? -
Answer✔Place them in a puncture-proof container
List procedures that require aseptic technique when performed in the radiology department. -
Answer✔Cystography, intravenous urography, spinal puncture, arthrography, angiography
True or false. When performing an examination in the operating room (OR), position the C-arm
next to the operating table on the same side as the surgeon - Answer✔False, to the side
opposite of surgeon
Before beginning a radiographic examination, what should the radiographer do to gain the
cooperation of a coherent patient? - Answer✔Give an explanation of the procedure to be
performed.
What is the minimum number of personnel that should be used to transfer a helpless patient
from a gurney to the radiographic table? - Answer✔Four
When the radiologist is unable to see the patient, who is responsible for ensuring that an
adequate clinical history accompanies the radiographs? - Answer✔Radiographer
What is the role of the radiographer in interpretation of radiographic images? How should
requests for interpretations be handled? - Answer✔Interpretation of images is outside of the
scope of practice for radiographers. Requests for interpretations must be referred to a qualified
physician, such as a radiologist.
List the three ways a patient's colon may be cleansed for an abdominal examination. -
Answer✔Limited diet, laxatives, and enemas
True or false. If washable gowns are used, they should be starched; starch is radiolucent, which
means it can be penetrated easily by x-rays. - Answer✔False, starch is radiopaque
Why is it necessary to ensure that any folds in cloth gowns are straightened out before making
the radiographic exposure? - Answer✔To prevent confusing shadows (artifacts)
What devices must be removed from the patient within the area of interest when the skull is
examined? - Answer✔Dentures, removable bridgework, earrings, necklaces, hairpins, and
eyeglasses
Identify the three types of muscular tissue and state the type of motion (voluntary or
involuntary) associated with each. - Answer✔Smooth, involuntary (peristalsis); cardiac,
involuntary (systole); and striated, voluntary
The rhythmic motion of smooth muscle structures is called _________________________. -
Answer✔Peristalsis
What exposure factor is used to control involuntary motion? - Answer✔Exposure time
What body system controls the movement of voluntary muscles? - Answer✔Central nervous
system
2
,©THEBRIGHT 2025 ALL RIGHTS RESERVED 11:11PM.
From the following list, circle the four ways voluntary motion can be controlled by a
radiographer.
a. Increase mAs
b. Decrease mAs
c. Apply immobilization
d. Give clear instructions
e. Adjust support devices
f. Increase exposure time
g. Decrease exposure time
h. Provide patient comfort - Answer✔c, d, e, g
True of False. Most exams require the patient to hold their breath at some phase of respiration,
such as the end of inhalation or exhalation - Answer✔True
Define image receptor (IR) - Answer✔A device that receives the energy of the x-ray beam and
forms the image of the body part
List the four types of IRs used in diagnostic radiology - Answer✔Solid-state digital detector,
photostimulable storage phosphor image plate (IP), fluoroscopic image receptor (IR), and
cassette with film.
According to the recommended procedural steps, what should the radiographer do before
releasing or returning the patient? - Answer✔Evaluate the radiograph
What are the prime technical factors under control of the radiographer? -
Answer✔milliamperage (mA), kilovolt peak (kVp), and exposure time (seconds)
What are the three general positions of the IR? Which IR position is used most frequently? -
Answer✔lengthwise, crosswise, and diagonal; lengthwise
Regardless of the IR size, it is the radiographer's responsibility to ____________________ to
the bodypart. - Answer✔collimate the exposure field
What adjustment can be made by the radiographer to compensate for an increase in OID -
Answer✔Increase the SID
List four reasons why it would become necessary to angle the central ray. - Answer✔To avoid
the superimposition of overlying or underlying structures, to avoid superimposing a curved
structure on itself, to project through angled joints, and to project through angled structures
without foreshortening or elongation
The distance from the anode focal spot inside the x-ray tube to the IR is the ___________. -
Answer✔SID (source-to-image receptor distance)
3
, ©THEBRIGHT 2025 ALL RIGHTS RESERVED 11:11PM.
What 3 factors are affected by SID? - Answer✔magnification, spatial resolution, and patient
dose
The traditional minimum SID used for most conventional radiographic exams is ______, but
recently, the SID has been increased to ______________. - Answer✔40 inches (102 cm); 44-48
inches (112-122 cm)
What is the minimum SID for chest radiography? - Answer✔72 inches (183 cm)
List two purposes of collimation when restricted to irradiate only the anatomy of interest. -
Answer✔First, it minimizes the amount of radiation to the patient by restricting exposure to
essential anatomy only. Second, it reduces the amount of scatter radiation that can reach the
IR, which reduces the potential for a reduction in contrast resolution.
True or false. Creating an image using a larger than required (necessary) field size is a violation
of the ARRT Code of Ethics. - Answer✔True
True or false. Shuttering of direct digital images is an acceptable substitution for proper
collimation. - Answer✔False. Shuttering gives only the displayed image the appearance of
proper collimation and does not protect the patient from unnecessary radiation exposure. The
use of shuttering in place of proper collimation is a violation of the ARRT Code of Ethics and a
potential legal liability
From the following list, indicate which of the following isnot recommended or unacceptable for
right and left side marker placement.
a. Use of electronic insertion of the side marker in digital imaging
b. Placement of the marker in the anatomy of interest
c. Placement of the marker on the border of the collimated field
d. Placing the marker directly on the body part - Answer✔a, b, d
Define and describe the anatomic position. - Answer✔Refers to a position in which the patient
is standing erect with the face and eyes directed forward, arms extended by the sides with the
palms of the hands facing forward, heels together, and toes pointing anteriorly
Describe how a posteroanterior (PA) projection radiograph of the chest should be oriented on
the display monitor. - Answer✔Radiographs are usually oriented on the display monitor so that
the person looking at the image sees the body part as though viewed facing the patient.
Describe how lateral projection radiographs should be displayed. - Answer✔As though the
viewer sees the patient from the perspective of the x-ray tube (display the image so that the
side of the patient closer to the IR during the procedure is also the side of the image closer to
the viewbox)
Describe how hand and foot radiographs should be displayed. - Answer✔With the digits
pointing upward and as viewed from the perspective of the x-ray tube
4
