Explain the difference between activity, physical half life and biological half life as applied to radio nuclides and discuss why these are important concepts to the health of patients.
Q4)
a)
For each of the three situations below, choose a radio-nuclide from those studied and explain why its attributes make it suitable to the imaging method in question
i)
Gamma camera scan to establish kidney function
ii)
Studying the functioning of the thyroid gland
iii)
Studying the functioning of the lungs
b) Explain the difference between activity, physical half life and biological half life as applied to radio nuclides and discuss why these are important concepts to the health of patients
(AC 3.1)
Q5) Using a block diagram or flowchart, explain how a gamma camera works to produce an image ensuring you define any key words.
(AC 3.2)
Q6) Using diagrams to illustrate your answer, explain the principles on which an MRI scanner operates and in respect of this how it forms images of internal organs.