SM51_IntroToImaging Flashcards
Form of imaging using electromagnetic radiation
X-ray
Bone, water/soft tissue, air, fat, and metal/contrast are distinguished on an x-ray based on _____
density
Form of imaging using sound waves
Ultrasound
Ultrasound cannot penetrate ______ and ___, making it useful for evaluating _____ _____
bone, air, solid organs
Descriptors for ultrasound images (two)
hypoechoic (dark), hyperechoic (white)
Form of imaging using oscillating magnetic field and radiofrequency current
MRI (magnetic resonance imaging)
PET (positive emission tomography) imaging is a type ______ imaging
nuclear
ALARA stands for
as low as reasonable achievable
Identify the heart (yellow), gastric air bubble (blue), clavicles (orange), scapulae (purple), plumonary vessels centrally (black), diaphragms (red), and trachea