What is the primary purpose of radiology?
✓✓ The primary purpose of radiology is to diagnose and treat diseases using medical imaging
techniques.
What does the acronym MRI stand for?
✓✓ MRI stands for Magnetic Resonance Imaging.
What is the main advantage of digital radiography over traditional film radiography?
✓✓ The main advantage of digital radiography is faster image processing and the ability to manipulate
images for better clarity.
What does the term "contrast agent" refer to in radiology?
✓✓ A contrast agent is a substance used to enhance the visibility of structures or fluids within the body
during imaging.
What is the role of a radiologic technologist?
✓✓ A radiologic technologist is responsible for performing diagnostic imaging examinations and
assisting radiologists in interpreting the images.
What is a CT scan used for?
✓✓ A CT scan is used to create detailed cross-sectional images of the body to diagnose diseases or
injuries.
, What type of radiation is used in X-ray imaging?
✓✓ X-ray imaging uses ionizing radiation.
Why is lead commonly used in radiology?
✓✓ Lead is used to shield patients and healthcare workers from excessive radiation exposure.
What is fluoroscopy?
✓✓ Fluoroscopy is a technique that provides real-time moving images of the interior of the body using
X-rays.
How does ultrasound differ from other imaging techniques?
✓✓ Ultrasound uses sound waves instead of radiation to produce images of soft tissues in the body.
What is the ALARA principle in radiology?
✓✓ ALARA stands for "As Low As Reasonably Achievable" and refers to minimizing radiation exposure to
patients and staff.
What is a PET scan?
✓✓ A PET scan (Positron Emission Tomography) is an imaging test that shows how tissues and organs
are functioning, often used in cancer diagnosis.
What does the term "attenuation" mean in radiology?