Take The Ultimate Practice Questions On Radiography! Quiz

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    L2The "electromagnetic spectrum" describes the family of electromagnetic waves relative to their frequency and wavelength.

    • True
    • False
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About This Quiz

Have you ever had a fracture and needed to get an X-ray? To check your knowledge, you can take this radiography test with informative questions and answers. You might not have known it at the time, but the process whereby an image was taken of your skeleton is called radiography – it is defined as an imaging technique used in order to view the internal form of an object. Take the quiz and find out how well do you know about radiography. All the best for a perfect score!

Take The Ultimate Practice Questions On Radiography! Quiz - Quiz

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  • 2. 

    L3Contrast is considered to be the comparison between film densities on adjacent areas of the radiograph.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    Contrast refers to the difference in density between adjacent areas on a radiograph. It is used to evaluate the ability of the radiograph to distinguish between different tissues or structures. Therefore, the statement that L3Contrast is considered to be the comparison between film densities on adjacent areas of the radiograph is true.

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  • 3. 

    L9the fixer solution serves to both remove unexposed silver bromide grains and to harden the emulsion layer

    • True

    • False

    Correct Answer
    A. True
    Explanation
    The fixer solution serves two purposes in the photographic process. Firstly, it removes unexposed silver bromide grains from the emulsion layer. This is important because these unexposed grains can cause unwanted fogging or a decrease in image sharpness. Secondly, the fixer solution also hardens the emulsion layer, making it more durable and resistant to damage. Therefore, the statement that the fixer solution serves to both remove unexposed silver bromide grains and harden the emulsion layer is true.

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  • 4. 

    Three liquids that are essential to process an exposed film properly are:

    • Stop batch, acetic acid, and water

    • Developer, stop bath, and H2O2.

    • Developer, fixer, and water

    • Acetic acid, fixer, and stop bath

    Correct Answer
    A. Developer, fixer, and water
    Explanation
    The correct answer is "Developer, fixer, and water." In order to process an exposed film properly, developer is needed to develop the latent image on the film, fixer is required to make the image permanent and remove any unexposed silver halide, and water is necessary for rinsing and washing the film to remove any residual chemicals. Acetic acid and stop bath are not essential for the processing of the film. H2O2 (hydrogen peroxide) is not typically used in film processing.

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  • 5. 

    L5An "ion" is a charged part of an atom that can have either a +/- charge

    • True

    • False

    Correct Answer
    A. True
    Explanation
    An ion is indeed a charged part of an atom that can have either a positive or negative charge. When an atom gains or loses electrons, it becomes an ion. If it gains electrons, it becomes negatively charged and is called an anion. If it loses electrons, it becomes positively charged and is called a cation. Therefore, the statement "An 'ion' is a charged part of an atom that can have either a +/- charge" is correct.

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  • 6. 

    L5the energy of a photon cannot be destroyed but can be converted into other forms by the photoelectric and Compton effects

    • True

    • False

    Correct Answer
    A. True
    Explanation
    The statement is true because according to the principles of the photoelectric effect and Compton effect, the energy of a photon can be converted into other forms. In the photoelectric effect, when photons strike a material surface, they can transfer their energy to electrons, causing them to be emitted from the surface. In the Compton effect, photons can transfer some of their energy to electrons during scattering. Therefore, while the energy of a photon cannot be destroyed, it can be transformed into other forms through these effects.

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  • 7. 

    L9water spots, crimp marks, and static marks are all considered to be "artifacts" when they appear on the film

    • True

    • False

    Correct Answer
    A. True
    Explanation
    Water spots, crimp marks, and static marks are considered "artifacts" when they appear on the film. Artifacts refer to any unwanted or unintended marks or distortions that occur during the film development process. These marks can affect the quality and clarity of the image captured on the film. Therefore, the statement is true.

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  • 8. 

    L2Frequency is described as the number of electromagnetic waves that pass a given point in one second.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    L2Frequency is indeed described as the number of electromagnetic waves that pass a given point in one second. This measurement is used to determine the frequency of a wave, which is directly related to the energy and wavelength of the wave. Therefore, the statement is true.

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  • 9. 

    L5The intensity of an x-ray beam is dependent upon the amount of electrons striking the tungsten target

    • True

    • False

    Correct Answer
    A. True
    Explanation
    The intensity of an x-ray beam is dependent upon the amount of electrons striking the tungsten target. This is because when electrons strike the tungsten target, they generate x-rays through a process called bremsstrahlung. The more electrons that strike the target, the more x-rays are produced, resulting in a higher intensity of the x-ray beam. Therefore, the statement is true.

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  • 10. 

    What does R/hr refer to when talking of intensity:

    • Radiation limits for humans

    • Roentgens per hour

    • X rays per hour

    • Radiation in hydrogen

    Correct Answer
    A. Roentgens per hour
    Explanation
    R/hr refers to Roentgens per hour. Roentgen is a unit of measurement used to quantify the ionizing radiation in the air. It measures the amount of radiation that produces a certain amount of ionization in a specific volume of air. Therefore, R/hr indicates the rate at which ionizing radiation is being emitted or received in terms of Roentgens per hour.

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  • 11. 

    L5when a photon goes through a "Compton" effect, secondary radiation is often produced

    • True

    • False

    Correct Answer
    A. True
    Explanation
    When a photon undergoes the Compton effect, it interacts with an electron and transfers some of its energy to the electron. As a result, the photon's wavelength increases and it changes direction. This process can also lead to the emission of secondary radiation, such as another photon or an electron. Therefore, the statement that secondary radiation is often produced during the Compton effect is true.

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  • 12. 

    L14filters absorb low energy radiation leaving higher average energy beams to penetrate the specimen

    • True

    • False

    Correct Answer
    A. True
    Explanation
    The statement suggests that L14 filters have the ability to absorb low energy radiation, which in turn allows higher average energy beams to penetrate the specimen. This implies that L14 filters are effective in filtering out low energy radiation and allowing higher energy radiation to pass through, making the statement true.

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  • 13. 

    L2A "cycle" is considered to be one complete wave either from peak to peak or trough to trough.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    A "cycle" refers to one complete wave, which can be measured either from peak to peak or trough to trough. This means that when we talk about a "cycle," we are referring to the entire wavelength of the wave. Therefore, the statement "L2A 'cycle' is considered to be one complete wave either from peak to peak or trough to trough" is true.

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  • 14. 

    L3Sensitivity in a radiograph is usually considered to be a function Contrast and Definition.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    The statement is true because L3 sensitivity in a radiograph is indeed typically dependent on contrast and definition. Contrast refers to the difference in brightness between different areas of the image, while definition refers to the sharpness and clarity of the image. In radiography, it is important to have a good balance of contrast and definition to accurately diagnose and interpret the image. Therefore, the statement is correct.

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  • 15. 

    L3Scattered radiation and an excessive specimen-to-film distance will both cause a loss of definition.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    Scattered radiation refers to the radiation that is not properly directed towards the film, causing blurring and loss of definition in the image. Similarly, an excessive specimen-to-film distance can also lead to a loss of definition as the image becomes more magnified and less focused. Therefore, both scattered radiation and excessive specimen-to-film distance can contribute to a loss of definition, making the statement true.

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  • 16. 

    L9the developer solution transforms the silver bromide crystals to metallic silver, causing the film to turn black

    • True

    • False

    Correct Answer
    A. True
    Explanation
    developer reduces silver bromide grains to black metallic silver

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  • 17. 

    X rays and gamma rays always travel

    • In pairs

    • Orbital spheres

    • Straight lines

    • Note of the above

    Correct Answer
    A. Straight lines
    Explanation
    X rays and gamma rays always travel in straight lines. This is because they are forms of electromagnetic radiation, which means they travel in waves. Electromagnetic waves, including X rays and gamma rays, propagate in a straight line unless they are affected by external factors such as reflection or refraction. Therefore, X rays and gamma rays do not travel in pairs or orbital spheres, but rather in a straight line.

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  • 18. 

    L2High frequency and short-wavelength rays are best able to penetrate opaque materials.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    High frequency and short-wavelength rays, such as X-rays and gamma rays, have more energy and are able to penetrate through materials that are opaque to visible light. This is because their shorter wavelength allows them to pass through the gaps between atoms and molecules in the material. Therefore, it is true that high frequency and short-wavelength rays are best able to penetrate opaque materials.

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  • 19. 

    L5An isotope, such as Cobalt 60, always emits rays that have a specific energy

    • True

    • False

    Correct Answer
    A. True
    Explanation
    Isotopes, such as Cobalt 60, are atoms of the same element that have a different number of neutrons. These isotopes are unstable and undergo radioactive decay, emitting rays in the process. The specific energy of the rays emitted by isotopes is determined by the particular isotope itself. Therefore, it is true that an isotope like Cobalt 60 always emits rays with a specific energy.

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  • 20. 

    The commonly used material to provide protection against X rays is:

    • High density brick

    • An allow of 70 percent steel and 30 percent copper

    • Tungsten

    • Lead

    Correct Answer
    A. Lead
    Explanation
    Lead is commonly used as a material to provide protection against X-rays because it has high atomic number and density, which enables it to effectively absorb and attenuate the X-ray radiation. Lead is also easily available, cost-effective, and has good shielding properties. It is commonly used in X-ray rooms, protective aprons for medical personnel, and shielding materials for X-ray machines.

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  • 21. 

    The cause for poor image definition could be considered:

    • Too short source-to-film distance

    • Screens and film not in close contact

    • Film graininess

    • All of the above

    Correct Answer
    A. All of the above
    Explanation
    The correct answer is "all of the above" because all the mentioned factors can contribute to poor image definition. A too short source-to-film distance can result in a blurry or distorted image. If the screens and film are not in close contact, it can cause a loss of sharpness and clarity. Film graininess can also affect the overall definition and quality of the image. Therefore, considering all these factors together can explain the cause for poor image definition.

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  • 22. 

    L5"ion production" can occur when a photon collides with an electron and knocks the electron out of the atom

    • True

    • False

    Correct Answer
    A. True
    Explanation
    When a photon collides with an electron, it can transfer enough energy to the electron to knock it out of its orbit around the atom. This process is known as "ion production" because it results in the formation of an ion, which is an atom that has gained or lost electrons and therefore has a positive or negative charge. Therefore, the statement that "ion production" can occur when a photon collides with an electron and knocks the electron out of the atom is true.

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  • 23. 

    L5secondary radiation is never dangerous to the radiographer

    • True

    • False

    Correct Answer
    A. False
    Explanation
    secondary scatter can be a serious problem

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  • 24. 

    L9most radiographic film uses clear acetate or polyester base with emulsion on both sides

    • True

    • False

    Correct Answer
    A. True
    Explanation
    Radiographic film typically uses a clear acetate or polyester base with emulsion on both sides. This means that the film has a transparent base made of either acetate or polyester, and the emulsion, which contains the light-sensitive silver halide crystals, is coated on both sides of the base. This allows for the capturing of X-ray images from both sides of the film, enhancing the accuracy and detail of the radiographic images. Therefore, the statement is true.

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  • 25. 

    L9the developer is an alkaline solution that requires an acetic acid solution in the stop bath (fixer) to neutralize

    • True

    • False

    Correct Answer
    A. True
    Explanation
    The statement is true because alkaline solutions, such as L9the developer, have a high pH level and need to be neutralized. Acetic acid, which is an acidic solution, is commonly used in the stop bath or fixer to lower the pH and neutralize the alkaline solution. This helps in stopping the development process and preventing further chemical reactions. Therefore, it is necessary to use an acetic acid solution to neutralize the alkaline developer.

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  • 26. 

    The penetrating ability of an X-ray beam is calculated by:

    • Kilovoltage or wavelength

    • Time

    • Milliamperage

    • Source-to-film distance

    Correct Answer
    A. Kilovoltage or wavelength
    Explanation
    The penetrating ability of an X-ray beam is determined by the kilovoltage or wavelength. Kilovoltage refers to the voltage applied to the X-ray tube, which affects the energy of the X-ray photons. Higher kilovoltage results in greater penetration. Wavelength, on the other hand, refers to the distance between the peaks of the X-ray waves. Shorter wavelengths correspond to higher energy and greater penetration. Therefore, both kilovoltage and wavelength play a crucial role in determining the penetrating ability of an X-ray beam.

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  • 27. 

    L5the bremsstrahlung process may cause energy to be converted through additional Compton and photoelectric effects

    • True

    • False

    Correct Answer
    A. True
    Explanation
    The given statement is true. The bremsstrahlung process, which occurs when a charged particle is decelerated or deflected by an electric or magnetic field, can cause energy to be converted through additional Compton and photoelectric effects. This means that during the bremsstrahlung process, the charged particle can emit photons, which can then interact with other particles, resulting in the additional effects mentioned.

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  • 28. 

    The time required for one-half of the atoms in a specific sample of radioactive material to disintegrate is called:

    • The inverse square law

    • A curie

    • A half-life

    • The exposure time

    Correct Answer
    A. A half-life
    Explanation
    A half-life is the time required for half of the atoms in a radioactive sample to undergo radioactive decay. This means that after one half-life, half of the original radioactive material will have disintegrated, and after two half-lives, only one-fourth of the original material will remain. The concept of half-life is important in understanding the rate of decay and the stability of radioactive materials.

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  • 29. 

    The three main steps in processing a radiograph are:

    • Developing, frilling, and fixation

    • Developing, fixation, and washing.

    • Exposure, developing, and fixation

    • Developing, reticulating, and fixation

    Correct Answer
    A. Developing, fixation, and washing.
    Explanation
    The correct answer is developing, fixation, and washing. These are the three main steps in processing a radiograph. Developing involves placing the exposed film in a developer solution to bring out the image. Fixation is the next step, where the film is placed in a fixer solution to remove any unexposed silver halide crystals. Finally, washing is done to remove any remaining chemicals from the film. This sequence ensures that the radiograph is properly developed and free from any unwanted substances.

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  • 30. 

    L5the "photoelectric" effect involves complete absorption of the photon

    • True

    • False

    Correct Answer
    A. True
    Explanation
    The statement is true because the photoelectric effect refers to the phenomenon where electrons are emitted from a material when it absorbs photons. In this process, the energy of the photon is transferred to the electron, causing it to be ejected from the material. Therefore, the photon is completely absorbed by the material in order for the photoelectric effect to occur.

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  • 31. 

    L3Geometric unsharpness can be improved by keeping the film as close as possible to the specimen during exposure.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    Keeping the film as close as possible to the specimen during exposure can improve L3Geometric unsharpness. This is because when the film is closer to the specimen, the distance between the specimen and the film is reduced, leading to a decrease in the geometric unsharpness. Geometric unsharpness refers to the blurring or lack of sharpness in an image caused by factors such as the distance between the object being imaged and the film or detector. Therefore, by minimizing this distance, the geometric unsharpness can be improved, resulting in a sharper and more accurate image.

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  • 32. 

    L3Internal scatter is caused by X-ray energy that has taken a new direction within the specimen being radiographed.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    L3Internal scatter refers to the scattering of X-ray energy within the specimen being radiographed. This means that the X-ray energy changes direction as it interacts with the specimen, causing scatter radiation to be produced. Therefore, the statement that L3Internal scatter is caused by X-ray energy that has taken a new direction within the specimen being radiographed is true.

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  • 33. 

    L9the basic difference between types of x-ray film is due to the size of the grains of silver bromide

    • True

    • False

    Correct Answer
    A. True
    Explanation
    difference is due to grain sizes

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  • 34. 

    Cobalt-60 used in nondestructive testing emits:

    • Alpha particles

    • Neutrons

    • Gamma rays

    • X rays

    Correct Answer
    A. Gamma rays
    Explanation
    Cobalt-60 is a radioactive isotope commonly used in nondestructive testing. It emits gamma rays, which are high-energy electromagnetic waves. Gamma rays are able to penetrate materials, making them useful for testing the integrity of structures and detecting any flaws or defects. They are also used in medical imaging and cancer treatment due to their ability to penetrate the body and interact with tissues. Unlike alpha particles, neutrons, and X-rays, gamma rays have the highest energy and can travel the farthest distance.

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  • 35. 

    What is it called when intensifying fluorescent screens are usually mounted in pairs in rigid holders?

    • Film racks

    • Cassettes

    • Emulsifiers

    • Diaphragms

    Correct Answer
    A. Cassettes
    Explanation
    Intensifying fluorescent screens are usually mounted in pairs in rigid holders called cassettes. Cassettes provide a protective and rigid housing for the screens, ensuring that they are held securely in place. This allows for accurate and consistent positioning of the screens during the imaging process. Additionally, cassettes help to minimize the risk of damage to the screens, ensuring their longevity and optimal performance.

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  • 36. 

    Which of the following types of radiation is emitted by cobalt-60 and used in nondestructive testing:

    • Neutrons

    • Gamma rays

    • X rays

    • Alpha particles

    Correct Answer
    A. Gamma rays
    Explanation
    Cobalt-60 emits gamma rays, which are a type of electromagnetic radiation. Gamma rays have high energy and can penetrate through materials, making them ideal for nondestructive testing. They are commonly used to inspect the integrity and quality of structures, such as pipelines, bridges, and aircraft components, without causing any damage.

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  • 37. 

    L2The higher the "amplitude" of an electromagnetic wave, the higher the energy.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    frequency and wavelength are inversely proportional... i.e. if a high-freq ray has 4 times as many waves as the low-frequency ray, the high-freq ray will also have 4 times as more energy peaks as the low-freq ray

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  • 38. 

    L9"clearing time" refers to the time the film is in the stop bath(fixer)

    • True

    • False

    Correct Answer
    A. True
    Explanation
    clearing time happens in the FIXER where the fix removes unexposed silver grains and hardens emulsion

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  • 39. 

    The selection of the proper type of film that needs to be used for the X-ray examination of a particular part depends on:

    • The thickness of the part

    • The material of the specimen

    • The voltage range of the available X-ray machine

    • All three of the above factors

    Correct Answer
    A. All three of the above factors
    Explanation
    The selection of the proper type of film for an X-ray examination depends on the thickness of the part, the material of the specimen, and the voltage range of the available X-ray machine. The thickness of the part is important because it determines the amount of X-ray penetration required. The material of the specimen is significant because different materials have different levels of X-ray absorption. The voltage range of the X-ray machine is crucial because it determines the energy level of the X-rays produced. Therefore, all three factors need to be considered to ensure accurate and effective X-ray imaging.

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  • 40. 

    A photographic image recorded during the passage of X or gamma rays through a specimen onto a film is called a:

    • Fluoroscopic image

    • Radiograph

    • Isotopic reproduction

    • Note of the above

    Correct Answer
    A. Radiograph
    Explanation
    A radiograph is a photographic image that is created when X or gamma rays pass through a specimen and are recorded onto a film. This technique is commonly used in medical imaging to visualize internal structures and diagnose various conditions. Fluoroscopic images, on the other hand, involve real-time imaging using X-rays and a fluorescent screen, while isotopic reproduction is not a recognized term in the context of X-ray imaging. Therefore, the correct answer is radiograph.

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  • 41. 

    L2When X-ray film is developed, the portion that was exposed to radiation turns dark.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    When X-ray film is developed, the portion that was exposed to radiation turns dark because the radiation causes a chemical reaction in the film, resulting in the formation of silver grains. These silver grains are responsible for the darkening of the film and the creation of the image. Therefore, the statement is true.

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  • 42. 

    L2The "freq" of an X or gamma-ray is measured in cycles per second.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    The frequency of an X or gamma-ray refers to the number of cycles it completes in one second. Since the question states that the "freq" of an X or gamma-ray is measured in cycles per second, it implies that the statement is true. Therefore, the correct answer is True.

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  • 43. 

    L3Penumbra can be reduced by increasing the source-to-specimen distance.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    Increasing the source-to-specimen distance can reduce L3Penumbra. This is because as the distance between the source and specimen increases, the divergence of the radiation beam also increases. This results in a larger penumbra, which refers to the blurry or less defined edges of the radiation beam. By increasing the source-to-specimen distance, the size of the penumbra can be reduced, leading to a sharper and more defined radiation beam.

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  • 44. 

    L3Radiographic sensitivity is considered to be a measure of how accurately a discontinuity can be imaged.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    The statement is true because radiographic sensitivity refers to the ability of a radiographic technique to accurately detect and image discontinuities or defects in a material. It is a measure of how well these discontinuities can be seen and evaluated on a radiograph. Therefore, a higher radiographic sensitivity indicates a higher level of accuracy in imaging and detecting these discontinuities.

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  • 45. 

    L3The best radiographic sensitivity is obtained when the radiograph has a "high contrast."

    • True

    • False

    Correct Answer
    A. True
    Explanation
    A radiograph with "high contrast" refers to an image that has a significant difference in brightness between the areas of interest and the surrounding background. This high contrast allows for better visualization and distinction of structures, resulting in improved radiographic sensitivity. Therefore, the statement is true.

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  • 46. 

    The density difference between two selected portions of a radiograph is known as:

    • Unsharpness

    • Radiographic contrast

    • Specific activity

    • Subject density

    Correct Answer
    A. Radiographic contrast
    Explanation
    Radiographic contrast refers to the difference in density between two selected portions of a radiograph. It is a measure of the ability of the X-ray film or image receptor to distinguish between different tissues or structures with varying densities. The greater the density difference, the higher the radiographic contrast, and the clearer the details in the image. This is important in diagnostic imaging as it helps in identifying and distinguishing different anatomical structures or abnormalities present in the body.

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  • 47. 

    Radiation arising directly from the target of an X-ray tube or an accelerator or from a radioactive source is usually referred to as:

    • Secondary radiation

    • Primary radiation

    • Backscatter

    • Inherent radiation

    Correct Answer
    A. Primary radiation
    Explanation
    Primary radiation refers to the radiation that is directly emitted from the target of an X-ray tube or an accelerator or from a radioactive source. It is the initial radiation that is produced and is responsible for creating the image or delivering the desired dose. This term is used to distinguish it from secondary radiation, which is the radiation that is produced as a result of interactions between the primary radiation and the surrounding materials. Backscatter refers to the reflection of radiation back towards the source, while inherent radiation refers to the background radiation that is always present in the environment.

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  • 48. 

    The best X-ray efficiency is produced when the target material has

    • A low atomic number

    • A high atomic number

    • A low hardness

    • A high hardness

    Correct Answer
    A. A high atomic number
    Explanation
    The best X-ray efficiency is produced when the target material has a high atomic number. This is because X-rays are produced when high-energy electrons collide with the target material. A high atomic number means that the target material has more protons in its nucleus, resulting in a greater number of electrons available for interaction. These interactions lead to a higher probability of X-ray production, resulting in increased X-ray efficiency.

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  • 49. 

    In performing a fluoroscopic examination of a part, it is important to control

    • Geometry

    • Scatter radiation

    • Source kilovoltage and milliamperage

    • All of the above

    Correct Answer
    A. All of the above
    Explanation
    In performing a fluoroscopic examination of a part, it is important to control the geometry, scatter radiation, and source kilovoltage and milliamperage. Geometry refers to the positioning and alignment of the equipment and the patient, which is crucial for obtaining accurate images. Scatter radiation needs to be minimized to ensure clear and high-quality images. Source kilovoltage and milliamperage are controlled to optimize the contrast and exposure levels. Therefore, all of these factors need to be controlled to ensure a successful fluoroscopic examination.

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  • Apr 21, 2023
    Quiz Edited by
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  • Dec 19, 2010
    Quiz Created by
    Mbelousov
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