Chapter 1-Production & properties of x-ray beam
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
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| show | x-ray tube
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| show | x-ray insert
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| show | Collimator box
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| What, contained within the collimator box, blocks the portion of the beam that is not needed? | show 🗑
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| What is the only useful part of the x-ray beam? | show 🗑
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| -electric current running through the stator, that produces a magnetic field that turns the metal rotor | show 🗑
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| Cathode contains ___ filaments and has a ____ charge. | show 🗑
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| How many of the two filaments is heated during a exposure? | show 🗑
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| show | to liberate electrons
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| What is the process of heating filament in order to liberate electrons called? | show 🗑
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| What is filament made from and why? | show 🗑
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| show | mA - milliampere
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| As the temp increases, the rate of emission will ? | show 🗑
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| What repels and contains the electrons in a small space so that they can be accurately focused on the anode disk? | show 🗑
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| - "prep" the tube by heating one of the filaments so that electrons are emitted and hover in the tube in an electron cloud | show 🗑
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| The boost is considered the _______. | show 🗑
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| show | The hold
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| The tungsten layer of the tube inhibits? | show 🗑
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| show | rotating anode
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| The area on which the electrons bombard the anode disk is called _______. | show 🗑
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| The flow of electrons from cathode to anode constitutes the _____________. | show 🗑
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| show | mA, milliamperes
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| show | kV, kilovolt
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| Raising the kV will make the electrons travel? | show 🗑
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| show | the speed or kinetic energy of the electrons
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| show | thicker = higher
thinner = lower
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| show | protons & neutrons
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| show | binding energy
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| show | higher
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| What is the binding energy for level K? | show 🗑
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| show | brensstrahlung radiation, brems radiation.
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| show | Ionization
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| ________ occurs when a neutral atom loses one of its electrons. | show 🗑
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| _________ occurs when a neutral atom gains an electron. | show 🗑
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| show | bc it contains many different energies ranging from low to high
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| Doing what to the beam will protect the patient by absorbing the lower energy x-rays? | show 🗑
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| What are the two types of radation are x-ray beams made of? | show 🗑
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| show | 1. boiling/separation off of electrons
2. production of high speed electrons
3. concentration of electrons
4. sudden slowing or stopage of electrons
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| The boiling or separation of electrons is a process known as? | show 🗑
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| show | mA
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| show | increases it
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| show | increases them
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| What controls the quantity of photons? | show 🗑
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| show | hitting the rotor switch
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| How do you overcome the negative effect of space charge? | show 🗑
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| What is the controlling factor of the speed and strength of the photons? | show 🗑
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| show | increase it
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| What handles the concentration of electrons? | show 🗑
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| show | Electron speed can vary; photon speed is constant
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| show | target or anode
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| show | mA
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| What makes up the majority of the x-ray beam? | show 🗑
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| show | stronger
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| What are the 3 courses of action an electron can take that is characteristic of Brems radiation? | show 🗑
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| If the photon is stopped instantly, it will be weak?strong? | show 🗑
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| In order for (K) Characteristic radiation to be produced, the projectile electron has to have energy that is __________________ than the binding energy of the k-shell. | show 🗑
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| show | K-characteristic
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| show | ionized
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| show | Visible light, radio frequency, x-radiation
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| show | radio, infra-red, x-ray, gamma
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| show | 1.electrons dont all reach peak kinetic energy
2.brems radiation may happen many times getting weaker each time
3.filters remove the low energy photons
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| show | frequency
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| show | Nu
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| show | Hz
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| show | stronger
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| Increaseing kVp will have what effect on the kinetic energy of the electron? | show 🗑
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| show | increase the strength
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| show | increases the speed
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| show | increases the frequency
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| Increasing the kVp, will have what effect on the wavelength of the photon? | show 🗑
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| -the distance between the crests of a wave | show 🗑
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| show | Lambda
Angstrom
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| The longer the wavelength the ______ the photon. | show 🗑
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| -refers to the strongest photon in the beam of radiation | show 🗑
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| show | shortens the wavelength
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| show | high frequency
short wavelength
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| What is the symbol of the speed of light? | show 🗑
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| What is the speed of light? | show 🗑
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| What is the formula that shows the relationship of frequency and wavelength to light? | show 🗑
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| What is the wave particle duality phenomena? | show 🗑
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| show | increase it
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| show | increase it.
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