Unit 1 Exam
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| show | too few x-ray photons reaching the image receptor.
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| A radiographic image that has brightness levels that are very different from each other | show 🗑
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| Normal adult respiration is: | show 🗑
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| show | increasing the window width (wide WW).
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| show | modulation transfer function
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| show | True
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| show | window width.
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| show | the percentage of Compton interactions increases.
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| Bradycardia indicates a pulse of: | show 🗑
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| What refers to the range of exposure intensities an image receptor can accurately detect? | show 🗑
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| When the image is distorted, spatial resolution is also decreased. | show 🗑
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| show | Increasing the pixel density
Decreasing the pixel pitch
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| show | shape distortion.
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| show | assault.
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| The type of shock that occurs secondary to heart failure is called: | show 🗑
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| show | receptor exposure
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| show | intensity
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| show | elongation.
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| For every 4–5 cm of tissue, the x-ray beam quantity is reduced by approximately | show 🗑
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| When the foot is placed directly on the image receptor, there is no OID. | show 🗑
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| show | x-rays leaving the patient that did not interact with atoms
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| show | increased spatial resolution.
smaller pixel sizes
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| show | the energy of the incoming x-ray photon.
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| Size distortion is also called | show 🗑
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| show | Spatial resolution
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| show | exposure indicator
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| Resolution is typically measured in | show 🗑
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| Which of the following combinations would result in an image with the least amount of magnification? | show 🗑
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| show | latent image.
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| show | x-ray tube.
image receptor.
anatomic part.
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| Increasing the thickness of the part being imaged results in | show 🗑
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| show | more x-ray photons reaching the image receptor.
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| show | distortion.
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| show | reduced to zero.
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| The various shades of gray or brightness created on the radiographic image. | show 🗑
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| show | shape distortion.
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| show | septic shock.
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| show | decreases the visibility of anatomic structures.
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| show | only the same shade of gray.
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| At higher kilovoltages within the diagnostic range | show 🗑
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| show | 1. Remnant radiation reaches the digital image receptor
4. The latent image is processed by the computer
2. The manifest image is displayed on a monitor
3. The manifest image can be adjusted because it is composed of digital data
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| show | detective quantum efficiency (DQE)
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| Which of the following is a method of describing the strength of the radiation exposure compared with the amount of noise apparent in a digital image? | show 🗑
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| show | quantum noise.
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| The probability of a Compton interaction is _______________ in bone than soft tissue. | show 🗑
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| Place the tissue types in order from most radiolucent to most radiopaque. | show 🗑
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| show | manifest and visible
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| show | pixel bit depth
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| show | pixel pitch.
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| Scattering in the diagnostic range is due to | show 🗑
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| show | has low contrast and has long-scale contrast.
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| show | decreasing the window width (narrow WW)
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| After the x-ray beam enters the patient and has many photoelectric interactions, the quantity of the beam increases. | show 🗑
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| Violation of confidentiality defines: | show 🗑
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| Which of the following refers to the absorption characteristics of the anatomic tissues radiographed and the quality of the x-ray beam? | show 🗑
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| show | unintentional misconduct.
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| An artifact that is imaged within the patient’s body is a | show 🗑
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| show | has minimal effect on the imaging process.
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| Radiographic contrast | show 🗑
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