Understanding Radioactivity and Imaging

Who was the scientist that discovered the element radium?

• Niels Bohr

• Isaac Newton

• Marie Curie

• Albert Einstein

What did Ernest Rutherford discover about the atom?

• Atoms are indivisible

• Atoms are the smallest particles

• Atoms have a tiny nucleus

• Atoms are made of water

What was the first particle accelerator called?

• Large Hadron Collider

• Cyclotron

• Synchrotron

• Betatron

What type of particles are emitted by gamma radioactivity?

• Alpha particles

• Delta particles

• Beta particles

• Gamma particles

Which element is considered ideal for medical imaging due to its properties?

• Uranium

• Radium

• Technetium

• Plutonium

What is the main function of a gamma camera in medical imaging?

• To take photographs of bones

• To detect radioactivity in the body

• To measure blood pressure

• To monitor heart rate

What is used in place of a lens to focus x-rays in a gamma camera?

• A bundle of straws

• A metal plate

• A mirror

• A glass prism

What does the presence of bright ends in bone images indicate?

• Bone infection

• Bone fracture

• Bone growth

• Bone density loss

What problem is indicated by a kidney that cannot easily get rid of radioactive material?

• Kidney infection

• Kidney blockage

• Kidney failure

• Kidney stone

What is the role of photomultiplier tubes in a gamma camera?

• To measure temperature

• To capture images

• To detect light flashes

• To amplify sound