Ohio General X-Ray Machine Operator (GXMO) Knowledge Exam — Questions and Answers

Question 1: Which of the following is an important consideration when positioning a pediatric patient for an X-ray?

Ensuring the child remains still and calm during the procedure (Correct answer)
Using larger image receptors to cover the entire body
Using the same settings as for adult patients
Increasing the radiation dose to compensate for the child’s small size

Correct answer: Ensuring the child remains still and calm during the procedure

Ensuring the child remains still and calm during the procedure is a critical consideration when positioning pediatric patients for an X-ray. Children often have difficulty holding still, which can lead to motion blur artifacts on the image, compromising diagnostic quality. Technologists use various techniques, including gentle immobilization or parental assistance, to minimize movement and reduce the need for repeat exposures.

Question 2: Doubling the mAs while keeping all other factors constant will:

Double radiographic density (Correct answer)
Reduce scatter radiation
Increase image contrast
Halve patient dose

Correct answer: Double radiographic density

mAs controls x-ray quantity; doubling mAs doubles the number of photons reaching the image receptor, doubling radiographic density.

Question 3: On a PA chest radiograph, the right heart border is not visible (silhouette sign). Which anatomical area is most likely affected?

Right middle lobe (Correct answer)
Right lower lobe
Left lower lobe
Right upper lobe

Correct answer: Right middle lobe

The silhouette sign occurs when a pathological process replaces air in a structure adjacent to the heart border; the right heart border is bordered by the right middle lobe.

Question 4: Which QC test evaluates whether the X-ray tube's focal spot has enlarged beyond acceptable limits?

Star resolution pattern or pinhole camera test (Correct answer)
Sensitometric strip test
Beam alignment test
Step wedge exposure test

Correct answer: Star resolution pattern or pinhole camera test

The star resolution pattern or pinhole camera test measures actual focal spot size; an enlarged focal spot reduces spatial resolution.

Question 5: Using a small focal spot instead of a large focal spot will primarily result in:

Increased image contrast
Increased radiographic density
Reduced patient dose
Improved recorded detail/sharpness (Correct answer)

Correct answer: Improved recorded detail/sharpness

A smaller focal spot reduces geometric unsharpness (penumbra effect), improving spatial resolution and recorded detail.

Question 6: What role does continuing education play in Radiation Safety?

It is optional and rarely helpful
Only required for new practitioners
Only beneficial for management
Keeping practitioners current with evolving best practices and new developments (Correct answer)

Correct answer: Keeping practitioners current with evolving best practices and new developments

Continuing education ensures practitioners stay current with advances in their field.

Question 7: For a PA chest X-ray, the patient's hands should be placed:

At the sides with arms relaxed
Behind the back with palms facing out
On the hips with elbows rotated forward (Correct answer)
Above the head

Correct answer: On the hips with elbows rotated forward

Placing hands on the hips with elbows rotated forward moves the scapulae laterally, preventing them from overlying the lung fields.

Question 8: How does technology impact modern practices in Radiation Safety?

Technology has no impact on this field
Technology is only useful for record keeping
Technology improves efficiency, accuracy, and access to information while requiring new skills (Correct answer)
Technology replaces all human judgment

Correct answer: Technology improves efficiency, accuracy, and access to information while requiring new skills

Technology enhances capabilities while also requiring practitioners to develop new competencies.

Question 9: Which factor primarily determines the recorded detail (sharpness) in a radiographic image?

Film processing temperature
mAs setting
Focal spot size (Correct answer)
Grid ratio

Correct answer: Focal spot size

A smaller focal spot size reduces geometric unsharpness (penumbra), resulting in sharper recorded detail.

Question 10: What are the key regulatory requirements affecting Image Quality?

Regulations are optional guidelines
Only federal regulations apply
There are no regulations
Compliance with applicable laws, industry standards, and licensing requirements specific to the field (Correct answer)

Correct answer: Compliance with applicable laws, industry standards, and licensing requirements specific to the field

Practitioners must comply with all applicable regulations, which may include federal, state, and industry-specific requirements.

Question 11: What are the key regulatory requirements affecting Radiation Safety?

There are no regulations
Only federal regulations apply
Compliance with applicable laws, industry standards, and licensing requirements specific to the field (Correct answer)
Regulations are optional guidelines

Correct answer: Compliance with applicable laws, industry standards, and licensing requirements specific to the field

Practitioners must comply with all applicable regulations, which may include federal, state, and industry-specific requirements.

Question 12: Which approach is most effective for problem-solving in Patient Positioning?

Ignoring the problem until it resolves itself
Always asking someone else
Random trial and error
Systematic analysis followed by evidence-based decision making (Correct answer)

Correct answer: Systematic analysis followed by evidence-based decision making

Systematic, evidence-based approaches lead to more reliable solutions than ad hoc methods.

Question 13: Which radiographic finding is most characteristic of free air (pneumoperitoneum) on an upright abdominal radiograph?

Air-fluid levels in the bowel
Air under the diaphragm (Correct answer)
Loss of psoas muscle shadow
Soft tissue calcifications

Correct answer: Air under the diaphragm

Free intraperitoneal air rises to the highest point in the abdomen and appears as a radiolucent crescent under the diaphragm on an upright view.

Question 14: What makes a professional competent in Image Quality?

Only certifications matter
A combination of education, practical experience, ongoing learning, and adherence to professional standards (Correct answer)
Only experience matters
Only formal education matters

Correct answer: A combination of education, practical experience, ongoing learning, and adherence to professional standards

Competence requires the integration of knowledge, skills, experience, and professional conduct.

Question 15: What is the main disadvantage of using a very high grid ratio (e.g., 16:1) compared to a lower ratio (e.g., 8:1)?

It requires a shorter SID
It can only be used with digital imaging systems
It requires significantly more patient dose to maintain adequate image density (Correct answer)
It provides less scatter cleanup

Correct answer: It requires significantly more patient dose to maintain adequate image density

Higher grid ratios absorb more primary radiation along with scatter, requiring increased mAs (and therefore higher patient dose) to achieve adequate image density.

Question 16: What is the primary purpose of a lead apron in X-ray imaging?

To improve image quality
To enhance the clarity of X-ray films
To protect patients from unnecessary radiation exposure (Correct answer)
To stabilize the X-ray machine

Correct answer: To protect patients from unnecessary radiation exposure

Lead aprons are essential in X-ray imaging because lead effectively blocks radiation. Their primary purpose is to shield sensitive body parts not being imaged from unnecessary radiation exposure, significantly reducing the patient's overall dose. This adherence to the ALARA principle (As Low As Reasonably Achievable) helps protect patients from potential radiation-induced harm.

Question 17: What is the function of a collimator in an X-ray machine?

To increase the X-ray tube’s output
To focus the X-ray beam to the area of interest (Correct answer)
To filter out non-diagnostic X-rays
To cool the X-ray tube

Correct answer: To focus the X-ray beam to the area of interest

A collimator is a vital component of an X-ray machine that precisely controls the size and shape of the X-ray beam. Its function is to restrict the radiation field to only the specific area of interest, minimizing patient exposure to unnecessary radiation. This focused beam also reduces scatter radiation, which in turn improves the overall quality and clarity of the diagnostic image.

Question 18: What should be done if a patient is unable to lie flat on the examination table for an X-ray?

Increase the radiation dose to accommodate the patient’s position
Perform the exam with the patient standing only
Cancel the X-ray exam and refer to another modality
Use a portable X-ray machine if available (Correct answer)

Correct answer: Use a portable X-ray machine if available

If a patient cannot lie flat on the examination table due to injury, illness, or other physical limitations, using a portable X-ray machine is often the best solution. Portable units allow the technologist to bring the X-ray equipment to the patient's bedside or wheelchair, accommodating their specific needs. This ensures that necessary diagnostic images can still be obtained without compromising patient comfort or safety.

Question 19: What should be done if an X-ray image shows inadequate detail or blurring?

Check and adjust the patient’s positioning and ensure they remain still (Correct answer)
Use a higher kVp setting
Increase the exposure time
Decrease the mAs (milliampere-seconds) setting

Correct answer: Check and adjust the patient’s positioning and ensure they remain still

If an X-ray image shows inadequate detail or blurring, the most common cause is patient motion or incorrect positioning during the exposure. Patient movement results in motion blur, while improper positioning can lead to distorted or superimposed anatomical structures. Therefore, checking and adjusting the patient's positioning and ensuring they remain still are crucial steps to improve image quality.

Question 20: Which component of a digital radiography system converts X-ray photons directly into an electrical signal without an intermediate step?

Indirect DR flat panel detector (amorphous silicon + scintillator)
Computed radiography (CR) imaging plate
Film-screen cassette
Direct DR flat panel detector (amorphous selenium) (Correct answer)

Correct answer: Direct DR flat panel detector (amorphous selenium)

Direct DR detectors use amorphous selenium to convert X-rays directly to electrical charge, while indirect detectors use a scintillator to first convert X-rays to light.

Question 21: What does the term "kVp" stand for in X-ray imaging?

Kinetic voltage phase
Kilowatt peak
Kilovoltage peak (Correct answer)
Kinetic voltage power

Correct answer: Kilovoltage peak

kVp stands for kilovoltage peak, which represents the maximum voltage applied across the X-ray tube during an exposure. This setting directly controls the energy and penetrating power (quality) of the X-ray beam. Higher kVp settings produce more energetic X-rays that can penetrate denser tissues more effectively.

Question 22: Which digital image processing technique adjusts image brightness by analyzing the histogram of pixel values and remapping them to a standard output range?

Edge enhancement filtering
Histogram analysis and equalization (Correct answer)
Noise reduction averaging
Frequency processing

Correct answer: Histogram analysis and equalization

Digital radiography systems perform histogram analysis to identify the exposure index and automatically adjust image brightness so that clinically relevant pixels map to the optimal display range.

Question 23: What makes a professional competent in X-Ray Equipment Operation?

Only experience matters
Only formal education matters
A combination of education, practical experience, ongoing learning, and adherence to professional standards (Correct answer)
Only certifications matter

Correct answer: A combination of education, practical experience, ongoing learning, and adherence to professional standards

Competence requires the integration of knowledge, skills, experience, and professional conduct.

Question 24: A sensitometer is used in radiographic quality control to:

Measure radiation output from the X-ray tube
Evaluate focal spot size
Check collimator accuracy
Expose film/CR plates to a standardized series of light steps for processing evaluation (Correct answer)

Correct answer: Expose film/CR plates to a standardized series of light steps for processing evaluation

A sensitometer exposes imaging media to controlled light increments, and the resulting density steps are measured with a densitometer to assess processor consistency.

Question 25: Which of the following is an appropriate measure to reduce radiation exposure to a patient?

Employing the ALARA principle (Correct answer)
Increasing the exposure time
Using the highest possible kVp setting
Decreasing the distance between the X-ray source and the patient

Correct answer: Employing the ALARA principle

The ALARA principle, standing for 'As Low As Reasonably Achievable,' is a fundamental tenet of radiation protection. It mandates that all radiation exposures should be kept to the lowest possible level, considering economic and social factors. Employing ALARA involves using proper shielding, optimizing exposure parameters, and minimizing exposure time to effectively reduce patient radiation dose.

Question 26: What is the importance of communication skills in Radiation Safety?

Communication skills cannot be learned
Clear communication prevents errors, builds relationships, and ensures understanding among all parties (Correct answer)
Technical skills are sufficient without communication
Communication is only important for managers

Correct answer: Clear communication prevents errors, builds relationships, and ensures understanding among all parties

Effective communication is essential for coordination, error prevention, and stakeholder relationships.

Question 27: How should risk be managed in Radiation Safety?

Through identification, assessment, mitigation strategies, and ongoing monitoring of potential risks (Correct answer)
By avoiding all risk entirely
By ignoring potential problems
Risk management is not necessary

Correct answer: Through identification, assessment, mitigation strategies, and ongoing monitoring of potential risks

Effective risk management involves a systematic process of identifying, evaluating, and addressing potential threats.

Question 28: Which term describes the ability of an imaging system to distinguish between two adjacent structures that have very similar subject contrast?

Spatial resolution
Modulation transfer function
Dynamic range
Contrast resolution (Correct answer)

Correct answer: Contrast resolution

Contrast resolution (low-contrast detectability) is the ability to differentiate between structures with similar densities, distinct from spatial resolution which refers to sharpness.

Question 29: For an AP pelvis projection, the patient's feet and lower limbs should be:

Externally rotated 15–20 degrees
In neutral position
Internally rotated 15–20 degrees (Correct answer)
Flexed at the knees

Correct answer: Internally rotated 15–20 degrees

Internal rotation of 15–20 degrees places the femoral necks parallel to the image receptor, providing an unobstructed view of the femoral necks.

Question 30: What role does continuing education play in Image Quality?

Keeping practitioners current with evolving best practices and new developments (Correct answer)
Only required for new practitioners
It is optional and rarely helpful
Only beneficial for management

Correct answer: Keeping practitioners current with evolving best practices and new developments

Continuing education ensures practitioners stay current with advances in their field.

Question 31: Which bone forms the posterior portion of the hard palate and is demonstrated on a Waters (parietoacanthial) projection?

Zygomatic bone
Palatine bone (Correct answer)
Vomer
Maxilla

Correct answer: Palatine bone

The palatine bone forms the posterior one-third of the hard palate and is visible in the Waters projection used for facial bone evaluation.

Question 32: The Waters projection is most commonly used to evaluate which anatomical structures?

Maxillary sinuses and orbital floors (Correct answer)
Mastoid air cells
Cervical vertebrae
Frontal sinuses and ethmoid sinuses

Correct answer: Maxillary sinuses and orbital floors

The Waters (parietoacanthial) projection provides the best view of the maxillary sinuses and orbital floor, useful for detecting blow-out fractures.

Question 33: When reviewing an image for diagnostic quality, which criterion confirms adequate penetration on a lateral thoracic spine radiograph?

The ribs are visible without overexposure
The lung fields appear uniformly radiolucent
Intervertebral disc spaces are visible through the superimposed shoulders (Correct answer)
The spinous processes are clearly visualized

Correct answer: Intervertebral disc spaces are visible through the superimposed shoulders

On a lateral thoracic spine, the intervertebral disc spaces must be visible through the shoulders to confirm sufficient penetration of all superimposed structures.

Question 34: How should ethical dilemmas be handled in Radiation Safety?

Follow established ethical guidelines, consult with supervisors, and prioritize stakeholder welfare (Correct answer)
Always choose the cheapest option
Make decisions based solely on personal preference
Ignore ethical concerns

Correct answer: Follow established ethical guidelines, consult with supervisors, and prioritize stakeholder welfare

Ethical decision-making requires following professional guidelines and prioritizing the welfare of all stakeholders.

Question 35: The purpose of collimator shutters in an X-ray unit is to:

Cool the X-ray tube anode
Restrict the primary beam to the area of clinical interest (Correct answer)
Support the image receptor
Filter low-energy photons from the beam

Correct answer: Restrict the primary beam to the area of clinical interest

Collimator shutters are adjustable lead blades that restrict the X-ray beam to the area being examined, reducing patient dose and scatter.

Question 36: What is the primary function of the X-ray tube in an X-ray machine?

To generate high-frequency electrical signals
To capture and store X-ray images
To produce and direct X-rays towards the patient (Correct answer)
To cool down the X-ray machine

Correct answer: To produce and direct X-rays towards the patient

The X-ray tube is the core component of an X-ray machine, responsible for generating the X-rays. Inside the tube, electrons are accelerated from a cathode to an anode, producing X-rays upon impact. These X-rays are then directed towards the patient to create diagnostic images.

Question 37: What is the recommended position for an X-ray of the abdomen to ensure proper imaging?

Sitting upright with hands on the hips
Lying on the left side with knees bent
Supine position with the arms at the sides (Correct answer)
Prone position with the arms raised

Correct answer: Supine position with the arms at the sides

For a standard X-ray of the abdomen, the supine position (lying on the back) with the arms at the sides is typically recommended. This position allows for optimal visualization of abdominal organs and structures, minimizing superimposition and ensuring consistent image quality. It also helps to keep the patient still and comfortable during the exposure.

Question 38: Which approach is most effective for problem-solving in Radiation Safety?

Always asking someone else
Systematic analysis followed by evidence-based decision making (Correct answer)
Ignoring the problem until it resolves itself
Random trial and error

Correct answer: Systematic analysis followed by evidence-based decision making

Systematic, evidence-based approaches lead to more reliable solutions than ad hoc methods.

Question 39: What is the most important foundational concept in Image Quality?

Understanding core principles and their practical application in Image Quality (Correct answer)
Memorizing all rules without understanding
Ignoring established guidelines
Only following instructions from supervisors

Correct answer: Understanding core principles and their practical application in Image Quality

Core principles provide the foundation for all decision-making and practice in Image Quality.

Question 40: Which artifact appears as a grid-like pattern overlaid on the radiographic image when the grid is not properly aligned with the X-ray beam?

Penumbra artifact
Reticulation artifact
Moiré pattern (Correct answer)
Quantum mottle

Correct answer: Moiré pattern

A moiré pattern results from misalignment between the grid lines and the scanning frequency, producing an interference pattern on the image.

Question 41: How should a patient be instructed to prepare for a chest X-ray?

To remove all clothing and jewelry from the upper body (Correct answer)
To lie down on the examination table
To drink a large amount of water before the exam
To hold their breath during the exposure

Correct answer: To remove all clothing and jewelry from the upper body

For a chest X-ray, patients must remove all clothing and jewelry from the waist up. This is essential because items like zippers, buttons, and metallic jewelry can create artifacts on the X-ray image, obscuring anatomical structures and potentially mimicking or hiding pathology. Removing these items ensures a clear, unobstructed view of the chest cavity for accurate diagnosis.

Question 42: The recommended SID (source-to-image distance) for a routine PA chest X-ray is:

72 inches (183 cm) (Correct answer)
48 inches (122 cm)
40 inches (102 cm)
56 inches (142 cm)

Correct answer: 72 inches (183 cm)

A 72-inch SID is used for PA chest X-rays to minimize magnification of the heart and reduce patient dose.

Question 43: What does the term "contrast" refer to in X-ray imaging?

The sharpness of the image
The amount of X-ray exposure used
The difference in density between various structures in the image (Correct answer)
The speed at which the X-ray film develops

Correct answer: The difference in density between various structures in the image

In X-ray imaging, contrast refers to the visible difference in shades of gray between adjacent anatomical structures or tissues within the image. High contrast means there's a significant difference in density, making structures clearly distinguishable, while low contrast means they appear more similar. Proper contrast is essential for differentiating between healthy and diseased tissues and for accurate diagnosis.

Question 44: A grid is used in radiography primarily to:

Absorb scatter radiation before it reaches the image receptor (Correct answer)
Increase the primary beam intensity
Reduce patient dose
Increase spatial resolution

Correct answer: Absorb scatter radiation before it reaches the image receptor

Grids consist of alternating lead strips and spacers that absorb off-angle scatter radiation, improving image contrast at the cost of increased patient exposure.

Question 45: What unit is commonly used to measure radiation dose received by a person?

Watts
Sieverts (Correct answer)
Joules
Hertz

Correct answer: Sieverts

The Sievert (Sv) is the standard international unit used to measure the equivalent and effective dose of radiation received by a person. It quantifies the biological effect of radiation on human tissue, providing a measure of the potential health risk. Other units like Hertz, Joules, and Watts measure frequency, energy, and power, respectively, not radiation dose.

Question 46: Which of the following describes the relationship between OID (object-to-image distance) and magnification?

Increasing OID decreases penumbra
OID has no effect on magnification
Decreasing OID increases magnification
Increasing OID increases magnification (Correct answer)

Correct answer: Increasing OID increases magnification

As OID increases, the object is farther from the image receptor and closer to the source, causing greater divergence of X-rays and increased magnification.

Question 47: The half-value layer (HVL) of an X-ray beam is a measure of:

Focal spot size
Beam quality (penetrating ability) (Correct answer)
Beam quantity (number of photons)
Detector sensitivity

Correct answer: Beam quality (penetrating ability)

HVL is the thickness of a specified material (usually aluminum) required to reduce beam intensity by 50%, indicating the beam's penetrating quality.

Question 48: What quality metrics are most important in X-Ray Equipment Operation?

Only speed of completion
Measurable outcomes, process compliance, and stakeholder satisfaction (Correct answer)
No metrics are needed
Only financial metrics

Correct answer: Measurable outcomes, process compliance, and stakeholder satisfaction

Quality in X-Ray Equipment Operation is measured through multiple dimensions including outcomes, processes, and satisfaction.

Question 49: How does technology impact modern practices in Patient Positioning?

Technology replaces all human judgment
Technology has no impact on this field
Technology is only useful for record keeping
Technology improves efficiency, accuracy, and access to information while requiring new skills (Correct answer)

Correct answer: Technology improves efficiency, accuracy, and access to information while requiring new skills

Technology enhances capabilities while also requiring practitioners to develop new competencies.

Question 50: The Towne projection (AP axial) of the skull is used primarily to demonstrate the:

Frontal sinuses
Occipital bone and dorsum sellae (Correct answer)
Nasal bones
Maxillary sinuses

Correct answer: Occipital bone and dorsum sellae

The Towne projection demonstrates the occipital bone, foramen magnum, and dorsum sellae by angling the central ray 30–35 degrees caudad.

Question 51: What does the term "half-value layer" (HVL) refer to in radiation physics?

The amount of radiation that reaches the detector
The thickness of material needed to reduce the radiation beam by half (Correct answer)
The maximum radiation dose a patient can receive
The time required for an X-ray machine to cool down

Correct answer: The thickness of material needed to reduce the radiation beam by half

The Half-Value Layer (HVL) is a critical concept in radiation physics that describes the penetrating power of an X-ray beam and the effectiveness of shielding materials. It refers to the thickness of a specific material required to reduce the intensity of an X-ray beam to exactly half of its original value. HVL measurements are important for quality control and ensuring appropriate beam filtration in diagnostic radiology.

Question 52: What is the significance of documentation in Radiation Safety?

It provides a record for accountability, quality assurance, and legal compliance (Correct answer)
Only management needs to document
Documentation is unnecessary busy work
Only required during audits

Correct answer: It provides a record for accountability, quality assurance, and legal compliance

Proper documentation supports accountability, enables quality review, and satisfies legal requirements.

Question 53: What is the primary purpose of standardized procedures in Image Quality?

To benefit only management
To slow down work processes
To create unnecessary bureaucracy
To ensure consistency, safety, and quality across all practitioners (Correct answer)

Correct answer: To ensure consistency, safety, and quality across all practitioners

Standardized procedures ensure that all practitioners deliver consistent, safe, and high-quality outcomes.

Question 54: What does the "tube current" (measured in mA) control in X-ray imaging

The duration of the X-ray exposure
The temperature of the X-ray tube
The quantity of X-rays produced (Correct answer)
The quality of the X-ray beam

Correct answer: The quantity of X-rays produced

Tube current, measured in milliamperes (mA), directly controls the quantity or intensity of X-rays produced. A higher mA setting increases the number of electrons flowing from the cathode to the anode, resulting in a greater number of X-ray photons generated. This directly impacts the overall density or blackness of the resulting X-ray image.

Question 55: What is the importance of communication skills in X-Ray Equipment Operation?

Technical skills are sufficient without communication
Communication is only important for managers
Clear communication prevents errors, builds relationships, and ensures understanding among all parties (Correct answer)
Communication skills cannot be learned

Correct answer: Clear communication prevents errors, builds relationships, and ensures understanding among all parties

Effective communication is essential for coordination, error prevention, and stakeholder relationships.

Question 56: How should ethical dilemmas be handled in Patient Positioning?

Always choose the cheapest option
Ignore ethical concerns
Follow established ethical guidelines, consult with supervisors, and prioritize stakeholder welfare (Correct answer)
Make decisions based solely on personal preference

Correct answer: Follow established ethical guidelines, consult with supervisors, and prioritize stakeholder welfare

Ethical decision-making requires following professional guidelines and prioritizing the welfare of all stakeholders.

Question 57: What is the significance of documentation in Patient Positioning?

It provides a record for accountability, quality assurance, and legal compliance (Correct answer)
Only management needs to document
Only required during audits
Documentation is unnecessary busy work

Correct answer: It provides a record for accountability, quality assurance, and legal compliance

Proper documentation supports accountability, enables quality review, and satisfies legal requirements.

Question 58: What makes a professional competent in Radiation Safety?

A combination of education, practical experience, ongoing learning, and adherence to professional standards (Correct answer)
Only formal education matters
Only certifications matter
Only experience matters

Correct answer: A combination of education, practical experience, ongoing learning, and adherence to professional standards

Competence requires the integration of knowledge, skills, experience, and professional conduct.

Question 59: What is the primary purpose of standardized procedures in Radiation Safety?

To create unnecessary bureaucracy
To ensure consistency, safety, and quality across all practitioners (Correct answer)
To benefit only management
To slow down work processes

Correct answer: To ensure consistency, safety, and quality across all practitioners

Standardized procedures ensure that all practitioners deliver consistent, safe, and high-quality outcomes.

Question 60: How should risk be managed in Patient Positioning?

Risk management is not necessary
Through identification, assessment, mitigation strategies, and ongoing monitoring of potential risks (Correct answer)
By avoiding all risk entirely
By ignoring potential problems

Correct answer: Through identification, assessment, mitigation strategies, and ongoing monitoring of potential risks

Effective risk management involves a systematic process of identifying, evaluating, and addressing potential threats.

Ohio General X-Ray Machine Operator (GXMO) Knowledge Exam

The Ohio GXMO Knowledge Exam tests candidates on radiation safety, radiographic equipment and physics, image quality, digital imaging, technique, and patient care — required for licensure to operate diagnostic x-ray equipment under the Ohio Department of Health.

Questions

60 min

Time Limit

70%

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Sources & references

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codes.ohio.gov — Score validity · verified Oct 2026
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