#1
Which medical imaging modality uses high-frequency sound waves to create images of the internal body structures?
CT scan
MRI
Ultrasound
X-ray
#2
What does the acronym 'MRI' stand for in the context of medical imaging?
Magnetic Resonance Imaging
Medical Radiation Investigation
Microscopic Radiographic Imaging
Molecular Radiology Inspection
#3
In interventional radiology, what is the primary purpose of a catheter?
To measure blood pressure
To inject contrast dye
To immobilize the patient
To monitor heart rate
#4
Which medical imaging technique is commonly used to assess bone fractures and joint conditions?
Ultrasound
CT scan
X-ray
PET scan
#5
Which interventional radiology procedure involves the insertion of a thin tube to clear or widen blocked blood vessels?
Angioplasty
Bronchoscopy
Lumbar puncture
Colonoscopy
#6
In nuclear medicine, which radionuclide is commonly used in Positron Emission Tomography (PET) scans?
Technetium-99m
Iodine-131
Fluorine-18
Cesium-137
#7
Which imaging modality is often used to visualize soft tissues, such as the brain and muscles?
CT scan
X-ray
MRI
Ultrasound
#8
Which medical imaging technique is primarily used to evaluate blood flow and detect vascular abnormalities?
Magnetic Resonance Imaging (MRI)
Computed Tomography (CT) scan
Doppler ultrasound
X-ray angiography
#9
What is the purpose of contrast agents in medical imaging?
To enhance image resolution
To reduce radiation exposure
To improve patient comfort
To eliminate artifacts
#10
What is the purpose of a fluoroscopy procedure in medical imaging?
To create detailed 3D images
To monitor real-time moving images
To capture high-resolution still images
To measure bone density
#11
In computed tomography (CT), what does the term 'slice thickness' refer to?
The density of the contrast agent
The thickness of the X-ray beam
The depth of each image slice
The speed of the rotating gantry
#12
What is the primary advantage of using 3D mammography (tomosynthesis) over traditional 2D mammography?
Reduced radiation exposure
Higher spatial resolution
Improved detection of breast lesions
Faster image acquisition
#13
In ultrasound imaging, what does the term 'echogenic' refer to?
The ability to produce sound waves
The brightness on the ultrasound image
The frequency of sound waves
The depth of tissue penetration
#14
In nuclear medicine, what is the purpose of a bone scan?
To evaluate brain function
To assess lung conditions
To detect abnormalities in bone metabolism
To visualize blood vessels