Medical Uses of Radiation (AQA GCSE Physics): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
ShowHide
Practise the questions
10 questions from this quiz
Which element is commonly used as a medical tracer?
Which element is commonly used as a medical tracer?
Technetium
What is the half-life of Technetium?
What is the half-life of Technetium?
6 hours
Why is Technetium's 6-hour half-life ideal for medical imaging?
Why is Technetium's 6-hour half-life ideal for medical imaging?
Long enough to detect, quick to decay
What type of radiation does Technetium emit?
What type of radiation does Technetium emit?
Gamma
Why is gamma radiation effective for medical imaging?
Why is gamma radiation effective for medical imaging?
It passes through tissues unabsorbed
What does Technetium decay into?
What does Technetium decay into?
A harmless isotope
What medical treatment uses gamma rays to destroy cancerous cells?
What medical treatment uses gamma rays to destroy cancerous cells?
Chemotherapy
How do gamma rays destroy cancer cells in chemotherapy?
How do gamma rays destroy cancer cells in chemotherapy?
Cells absorb radiation & are destroyed
What is a problem with using gamma rays in chemotherapy?
What is a problem with using gamma rays in chemotherapy?
Nearby healthy cells can be affected
Why can gamma ray chemotherapy cause side effects?
Why can gamma ray chemotherapy cause side effects?
Difficulty targeting rays precisely