Radiopharmacy Flashcards
1
Q
What is a radiopharmaceutical?
A
A dosage form consisting of radioactive compound used for either the diagnosis or therapeutic treatment of human diseases
2
Q
What is the physical half-life?
A
Time required to reduce the inital disintegrating rate or activity to one-half
3
Q
What is the biological half-life?
A
Time needed for half of the radiopharmaceutical or radionuclide to disappear from the biological system
4
Q
What are the properties of a radionuclide?
A
Alpha, beta, positron, neutrons, gamma