Radiographer
Radiographer Interview Questions and Answers for Freshers
Q1. What is the basic principle of a CT scan?
CT scan uses X-rays to create detailed cross-sectional images of the body.
CT scan stands for computed tomography scan
It uses a rotating X-ray machine to capture multiple images from different angles
The images are processed by a computer to create detailed cross-sectional images of the body
CT scans are commonly used to diagnose conditions such as tumors, fractures, and internal injuries
Q2. What do you know about radiology
Radiology is a branch of medicine that uses imaging technology to diagnose and treat diseases and injuries.
Radiology involves the use of various imaging techniques such as X-rays, CT scans, MRI, and ultrasound.
Radiographers are trained professionals who operate imaging equipment and work closely with radiologists to interpret images.
Radiology plays a crucial role in diagnosing conditions such as fractures, tumors, and internal injuries.
Advancements in radiology technology hav...read more
Q3. Define the term ALARA in medical imaging ?
ALARA stands for As Low As Reasonably Achievable, a principle in medical imaging to minimize radiation exposure to patients and staff.
ALARA is a radiation safety principle used in medical imaging to minimize radiation exposure to patients and staff.
It involves using the lowest possible radiation dose necessary to produce high-quality images for accurate diagnosis.
Techniques such as collimation, shielding, and proper positioning are used to adhere to ALARA principles.
Regularly...read more
Q4. Describe about Triphasic Abdomen study.
Triphasic Abdomen study is a specialized imaging technique used to evaluate the blood flow in the liver and surrounding organs.
It involves three phases: arterial, portal venous, and delayed phases.
The arterial phase captures the early arterial blood supply to the liver, showing enhancement of lesions like hepatocellular carcinoma.
The portal venous phase highlights the portal vein and hepatic veins, aiding in the detection of liver metastases.
The delayed phase provides additio...read more
Q5. What is CT number ?
CT number is a quantitative measurement used in computed tomography (CT) imaging to represent the radiodensity of tissues.
CT number is a unitless value assigned to each pixel in a CT image, representing the attenuation of X-rays by the tissue at that location.
It is calculated based on the linear attenuation coefficient of the tissue and the attenuation of the X-ray beam.
CT number is used to differentiate between different tissues based on their radiodensity, helping in diagno...read more
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