Medical Imaging Day 6-9 Questions and Answers Latest Update Already Passed

Medical Imaging Day 6-9 Questions and
Answers Latest Update Already Passed
What is the purpose of using a grid in radiography?


✔✔To reduce scatter radiation and improve image contrast




Which imaging modality uses sound waves to produce images?


✔✔Ultrasound




What is the main advantage of MRI over CT?


✔✔Better soft tissue contrast without ionizing radiation




Which imaging technique is commonly used to visualize blood vessels?


✔✔Angiography




What does PACS stand for in medical imaging?


✔✔Picture Archiving and Communication System




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,Which imaging method is most suitable for detecting brain tumors?


✔✔MRI




What is the role of a collimator in radiography?


✔✔To limit the size of the X-ray beam and reduce patient exposure




Which contrast agent is typically used in MRI scans?


✔✔Gadolinium




What property of tissues affects the appearance of ultrasound images?


✔✔Acoustic impedance




Which imaging modality uses radioactive tracers?


✔✔Nuclear medicine




What is the purpose of using a lead apron during X-ray procedures?


✔✔To protect the body from unnecessary radiation exposure




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, Which imaging technique provides real-time moving images?


✔✔Fluoroscopy




What is the main use of a bone density scan?


✔✔To assess osteoporosis and bone health




Which imaging modality does not use ionizing radiation?


✔✔MRI




What is the typical imaging choice for evaluating a suspected bone fracture?


✔✔X-ray




Which imaging technique uses magnetic fields and radio waves?


✔✔MRI




What is the purpose of using contrast in CT imaging?


✔✔To enhance the visibility of blood vessels and organs




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