Introduction to Medical Imaging

What makes something radioactive?

• an unstable nucleus

• contaminated sewage

• elements with an atomic number above 81

• it decays over time

Tags

NGSS.HS-PS1-8

Which of the following does not use radiation?

• Xray
• CT Scan
• PET Scan
• MRI

Dose limit to radiation workers are 20mSv/year

• True

• False

A radiation dosimeter badge does protect the worker from radiation

• True

• False

MRI is one type of emission imaging

• True

• False

Tags

NGSS.HS-PS4-3

NGSS.HS-PS4-4

X-rays passing through tissue, independent on the energy of the x-ray and the atomic number of the absorbed materials

• True

• False

Tags

NGSS.HS-PS4-4

X-rays that pass through the air to the film render the film dark (black)

• True

• False

Tags

NGSS.HS-PS4-4

Perpendicular projections are necessary to localize structures in the body

• True

• False