Radiographic pathology chapter 2 exam with correct answers 2024

Radiographic pathology chapter 2

What does SPECT stand for? correct answers Single photon emission computed
tomography

What does pet imaging stand for? correct answers Positron emission tomography

What are the diagnostic imaging modalities? correct answers 1. Ultrasound
2. CT
3. MRI
4. Nuclear medicine
5. SPECT
6. PET
7. Fusion imaging

What is ultrasound correct answers High frequency sound waves sent into the body

What is the major advantage of ultrasound? correct answers No radiation

What is a disadvantage of ultrasound? correct answers Acoustic barriers

What are the 3 acoustic barriers correct answers 1. Air
2. Barium
3. Bone

When did CT come about? correct answers 1970's

What is an advantage of CT? correct answers Extremely sensitive to 1% differences in
tissue densities

General idea of CT correct answers Narrow x ray beam scans a slice of tissue from
many angles

What 2 things help differentiate between what we are looking at in CT images correct
answers Oral injections-GI
IV injections-vasculature

What is MRI the imaging choice for? correct answers CNS and spine

Describe the production of MRI? correct answers Strong magnetic field. Protons
absorbs energy and move to higher energy state then relax when magnet is turned off.