X-Ray
What type of energy do X-Rays use?
Radiation
What does CT stand for?
Computed Tomography
What do ultrasounds use to pick up objects in the body?
Sound Waves
What must patients remove before an MRI?
All metal
X-Rays only show ________ material in white (like bones, tumors, and fluid)
Dense material
What type of energy do MRIs use?
Magnetic fields
What does a PET scan measure inside the body?
Metabolic or chemical activity
Which technique does not need safety considerations?
Ultrasounds
What material should we wear to protect against X-Rays?
Lead aprons
Which imaging type gives the best detail of soft tissue?
MRI
Name two benefits of Ultrasound that other imaging techniques don't have
Live view, completely safe
What should a patient do before a PET scan?
Fast
True or False: X-Rays can detect torn ligaments and muscles.
False. X-Rays do not see soft tissues well.
How long do MRIs typically last?
30-60 min
What type of energy do PET scans use?
Radioactive tracers
What imaging techniques should we wear lead aprons for?
X-Ray, CT, PET
Name 3 clinical uses of X-Ray.
Bone Fx, Diagnosing infections (e.g., pneumonia), Locating foreign objects, Monitoring healing after surgery, Dental and chest imaging.
Give one clinical use for CT scan.
Internal bleeding or fractures, tumors or deep infections, guiding biopsies or surgeries
What does PET stand for?
Positron Emission Tomography
What should technologists check for before giving contrast dye?
Allergies (and kidney problems)