Science Quiz / A2 Physics: Medical Imaging

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Can you name the A2 Physics: Medical Imaging?

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QuestionAnswer
X-rays are best produced when...
To increase the image quality of an X-ray, one could use...
Compton: Any X-ray photon deflected through a large angle will...
For X-rays to be produced, electrons must be accelerated from
What is the pulse repetition frequency?
Disadvantages of MRI 4:
Compton: Any X-ray photon deflected through a small angle will...
Compton: Any X-ray photon deflected through a small angle will...
Disadvantages of MRI 2:
X-rays have wavelengths between...
Advantages of MRI 2:
To increase the image quality of an X-ray, one could use...
Pair Production: X-ray photons required energy level:
Which physical process is used to produce ultrasound?
What does PET scan stand for?
Advantages of MRI 1:
Why do proton relaxation times differ in different tissue types
Advantages of MRI 3:
Larmor frequency, f =
Ultrasound are sound waves with frequencies greater than...
MRI signals of electromagnetic energy are emitted when
When radio waves at the Larmor frequency are applied to hydrogen protons...
An MRI scanner is composed of a huge superconducting magnet creating a uniform magnetic field in the order of...
Technetium-99 has a half-life of
What is used to solve the problem of air between the body and the transducer?
Acoustic impedance, Z =
What does CAT scan stand for?
Gamma Camera: What is behind the crystal of sodium iodide?
What are Ultrasound A-scans for?
QuestionAnswer
What will reflect ultrasound?
Compton: Found in X-ray spectrometer...
Intensity of X-rays is defined as...
Gamma Camera: What does the block of lead with tens of thousands of vertical holes do ?
If two materials have a large difference in acoustic impedance....
PET: What happens when a positron and an electron collide and are annihilated?
Intensity of X-rays: mu =
Gamma Camera: What diameter has the crystal of sodium iodide?
Intensity, I, of X-rays through medium =
At high frequencies, X-rays are mostly absorbed by
How is the piezoelectric effect induced?
Gamma Camera: What thickness is the crystal of sodium iodide?
At medium frequencies, X-rays are mostly absorbed by
Emitted photoelectrons, when produced by X-rays, have...
Gamma Camera: What does the crystal of sodium iodide do?
Disadvantages of MRI 3:
Disadvantages of MRI 1:
Example of a crystal used to produce ultrasound
At low frequencies, X-rays are mostly absorbed by
X-rays are best produced when...
If two materials have the same acoustic impedance...
How is an MRI scanner's magnet kept cool?
Which radioactive nuclide is commonly used as a medical tracer
Compton: Any X-ray photon deflected through a large angle will...
What does MRI stand for?
Pair Production: occurs when
What is the use of a coupling medium in ultrasound called
Technetium-99 decays from excited to ground state with the emission of

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