WorksheetsX-Ray Basics Quiz
Total questions: 55
Worksheet time: 28mins
Which of the following is a key question addressed in the basics of X-ray learning material?
What is an X-ray?
How to perform surgery?
What is MRI?
How to prescribe medication?
Why is it important to keep patients safe while creating quality X-ray images?
To prevent harm and ensure accurate results
To save time during procedures
To reduce the cost of equipment
To increase the number of patients
What does the term "Central Ray (CR)" refer to in radiology?
Where the X-ray beam is aimed
The distance from the X-ray tube to the image receptor
The grid tray that holds the image receptor
Reducing the beam size
What is the definition of SID in radiology?
Source-to-Image Distance
Scatter-to-Image Distance
Size-to-Image Distance
Source-to-Instrument Distance
Which term describes the distance between the anatomical structure being imaged and the image receptor?
OID
SID
CR
Bucky
What is the purpose of collimation in radiology?
Reducing the beam size
Increasing the image contrast
Placing the CR over the correct anatomy
Holding the image receptor
What does "centering" mean in the context of taking an X-ray?
Placing the CR over the correct anatomy
Reducing the beam size
Holding the IR and reducing scatter
Giving breathing instructions
What is the function of a "Bucky" in radiology?
The grid tray that holds the IR and reduces scatter
The device that emits X-rays
The part that reduces beam size
The anatomical structure being imaged
Why are breathing instructions important during an X-ray procedure?
They help reduce motion for a clearer image
They increase the beam size
They hold the image receptor
They aim the X-ray beam
What does "IR" stand for in radiology?
Image Receptor
Infrared Radiation
Internal Rotation
Imaging Ray
Which of the following is the FIRST step in patient identification?
Ask the patient to state their full name
Confirm the correct exam type
Ask pregnancy screening questions
Confirm correct side (Right vs Left)
Why should you ask the patient to state their full name instead of asking yes/no questions?
To ensure accurate identification
To save time
To avoid making the patient uncomfortable
To check their memory
Which information should be confirmed after asking for the patient's full name during identification?
Date of birth
Blood type
Insurance provider
Address
If a patient is scheduled for a knee exam, what should you confirm as part of the identification process?
The correct exam type and side (Right vs Left)
The patient's occupation
The patient's height
The patient's favorite sport
When is it appropriate to ask pregnancy screening questions during patient identification?
When the patient is a female of childbearing age
When the patient is a child
When the patient is male
When the patient is over 70 years old
Which of the following is an important step when reviewing the order and clinical history before an exam?
Make sure the exam matches what’s needed
Remove jewelry and watches
Explain breathing instructions
Ask the patient to fast
Why is it important to ask the patient where it hurts before an exam?
To help position correctly and get images that answer the clinical question
To make the patient feel comfortable
To avoid using any metal objects
To ensure the exam is quick
What is the main reason for removing jewelry, glasses, and watches before an exam?
They can hide fractures or pathology in the images
They are uncomfortable for the patient
They are expensive and might get lost
They make the exam longer
Which of the following should be explained to the patient before starting the procedure?
What exam you’re doing
The cost of the exam
The history of the equipment
The doctor’s schedule
How does good communication benefit the exam process?
It leads to fewer repeats and a safer exam
It makes the exam more expensive
It increases the length of the exam
It reduces the need for clinical history
What is considered an artifact in a medical exam?
Anything metal or dense that can hide fractures or pathology
A patient’s medical history
The exam order form
The patient’s clothing color
Which of the following is NOT a reason to communicate the procedure to the patient?
To explain what exam you’re doing
To tell them how to stand, sit, or lie down
To discuss the doctor’s credentials
To give breathing instructions
What must the Bucky tray match before positioning the patient?
The central ray
The patient's height
The room temperature
The exposure time
Why is it important to align the Bucky tray with the central ray?
To prevent cut-off anatomy and ensure a centered, diagnostic image
To reduce the patient's waiting time
To increase the brightness of the image
To make the equipment easier to clean
What is the main function of the IR (Image Receptor) in X-ray imaging?
It generates X-rays
It captures the X-ray image
It scans the patient
It produces sound waves
What is the difference between a DR Panel and a CR Plate?
DR Panel must be scanned, CR Plate sends image instantly
DR Panel sends image instantly, CR Plate must be scanned
Both must be scanned
Both send images instantly
What could happen if the IR is not set correctly?
The image may be too colorful
The image may NOT be usable
The X-ray machine will not turn on
The patient will not be scanned
What does SID (Source-to-Image Distance) refer to in radiography?
The distance from the X-ray tube to the image receptor (IR)
The distance from the patient to the X-ray tube
The distance from the X-ray tube to the control panel
The distance from the image receptor to the wall
Which of the following is NOT a reason why SID matters in radiography?
Controls the size of the image
Improves image sharpness
Increases patient comfort
Reduces distortion
What is the standard SID used for chest and lateral C-spine X-rays to reduce magnification?
72 inches
40 inches
60 inches
100 inches
For which types of exams is a 40-inch SID commonly used?
Extremities, abdomen, most routine exams
Chest and lateral C-spine
Skull and facial bones
Dental X-rays
How does increasing the SID affect the image in radiography?
It reduces distortion and improves sharpness
It increases distortion and blurs the image
It makes the image darker
It has no effect on the image
What is the main purpose of shielding a patient during an X-ray procedure?
To protect reproductive organs and reduce radiation dose
To make the X-ray image clearer
To keep the patient warm
To prevent movement during the procedure
Which of the following is a reason why correct patient positioning is important in medical imaging?
It makes the equipment easier to use.
It ensures the anatomy you need is fully visible.
It reduces the cost of the procedure.
It shortens the waiting time for patients.
How does good patient positioning help prevent repeats in medical imaging?
By making the patient more comfortable.
By reducing the chance of cutting off anatomy or needing another exposure.
By speeding up the imaging process.
By using less radiation.
Proper alignment during patient positioning helps to:
Increase the brightness of the image.
Reduce distortion and keep the anatomy in true shape.
Make the procedure more expensive.
Shorten the patient’s recovery time.
Why is stable and supported positioning important for patients during imaging procedures?
It prevents the need for anesthesia.
It prevents falls and motion, keeping the patient safe and comfortable.
It increases the number of images taken.
It reduces the amount of paperwork.
What does "centering" mean in radiographic imaging?
Placing the CR directly over the correct anatomical landmark
Adjusting the brightness of the image
Rotating the patient for better view
Using a higher radiation dose
For a chest X-ray, where should the CR be centered?
At the 3rd MCP joint
Just below the patella
At T7
At the elbow
Why is correct centering important in radiographic imaging?
It ensures anatomy of interest is included
It increases patient discomfort
It reduces image quality
It makes the procedure faster
Which of the following is a correct centering point for a hand X-ray?
T7
3rd MCP joint
Just below the patella
1st MCP joint
What is the definition of collimation in radiology?
Beam restriction
Image enhancement
Radiation exposure
Scatter reduction
Collimation should be used to:
Just cover the anatomy you need
Cover the entire body
Expose as much area as possible
Avoid covering any anatomy
How does collimation affect image contrast?
It improves image contrast
It decreases image contrast
It has no effect on image contrast
It makes the image blurry
Why is it important to use LEFT or RIGHT markers on every medical image?
To make the image look more colorful
To help radiologists interpret images correctly and for legal documentation
To increase the radiation dose
To make the image easier to print
What could happen if LEFT or RIGHT markers are not used on an X-ray image?
The image will be in color
The radiologist may misinterpret the image
The patient will not need further treatment
The image will be automatically labeled
Before exposing the patient, what should you ask yourself regarding the alignment of the tube and the Bucky?
Is my tube lined up with the Bucky?
Is the patient comfortable?
Is the room temperature correct?
Is the machine turned off?
What does kVp control in radiographic imaging?
The amount of radiation hitting the IR (brightness)
The strength and penetration of the X-ray beam
The size of the patient
The presence of a cast or pathology
What is the effect of increasing mAs in an X-ray image?
The image becomes lighter
The image becomes darker
The image becomes more colorful
The image becomes blurry
Which of the following is a result of using too little mAs?
The image is too dark
The image is grainy (noisy)
The image has more contrast
The image is over-penetrated
When should you use a higher kVp setting?
When imaging extremities
When imaging the chest or abdomen
When imaging small objects
When imaging with a cast
Which factors should be considered when choosing the correct radiographic technique?
Only the body part
Only the patient size
Body part, patient size, and presence of a cast or pathology
Only the presence of a cast
Which of the following is the correct instruction for inspiration during breathing exercises?
Deep breath in… blow it out… one more deep breath in and hold it.
Deep breath in… blow it out… don’t breathe.
Hold still. Don’t move.
Take short breaths quickly.
What is the main reason for giving clear breathing instructions to a patient?
To reduce motion blur
To increase heart rate
To make the patient sleepy
To improve digestion
If no breathing instruction is given, what should you tell the patient?
Hold still. Don’t move.
Take a deep breath and hold it.
Blow out and don’t breathe.
Start walking around.
