Term
| device that receives energy of the x-ray beam, forms image of body part |
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Definition
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Term
| T/F: In fluoro, the radiation is always coming from the bottom. |
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Definition
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Term
| a film or other base material containing a processed imaged of an anatomic part of a patient as produced by action of x-rays on an IR |
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Definition
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Term
| T/F: Contrast is the degree of black you can see. |
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Definition
| False: Optical density is the degree of black you can see. |
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Term
| __________ controls the energy and penetrating ability of the x-ray beam. |
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Definition
Kilovoltage (kVp)
(kVp) = strength |
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Term
| __________ is a measure of the x-ray tube current. |
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Definition
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Term
| Exposure time (s) is expressed in __________. |
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Definition
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Term
| mAs is a result of __________ multiplied by __________. |
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Definition
milliamperage, seconds
(mAs) = amount |
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Term
| T/F: All patients must be assumed to have communicable diseases. |
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Definition
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Term
| Wash your hands __________ and __________ each patient! |
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Definition
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Term
| Treat all bodily fluids as if they were __________. |
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Definition
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Term
| What is the number 1 rule for markers? |
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Definition
| Always mark the correct side of the body |
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Term
| the central or principal beam of rays |
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Definition
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Term
| The central ray (CR) should always be centered to the __________ _________. |
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Definition
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Term
| The general goal of central rays is to place the CR at __________ angles to the structure being examined. |
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Definition
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Term
| the distance from the anode or source of x-rays to the image receptor (IR) |
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Definition
| Source-to-Image Receptor Distance (SID) |
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Term
| T/F: The greater the source-to-image receptor distance (SID), the greater the body part is magnified. |
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Definition
| False: The greater the SID, the LESS the body part is magnified. |
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Term
| Source to Skin distance (SSD) should not be less than _____" and NEVER less than _____". |
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Definition
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Term
| The 2 standard SIDs are _____" and _____". |
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Definition
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Term
| __________ restricts the area of the x-ray beam. |
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Definition
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Term
| T/F: Collimation minimizes the amount of radiation to the patient by reducing scatter. |
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Definition
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Term
| T/F: Collimation reduces detail and contrast. |
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Definition
| False: Collimation IMPROVES detail and contrast. |
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Term
| Types of Image REceptor -IR |
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Definition
Cassette with film
Image Place (Computed Radiography)
Solid-State Detectors- Direct Digital
Radiography (DR)
Portable digital radiography
Flouroscopic screen |
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Term
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Definition
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Term
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Definition
| wipes clean able to reuse |
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Term
| Solid State Detectors (DR) |
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Definition
| not physical cassette, automatically sends to computer |
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Term
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Definition
| image is transmitted wirelessly onto portable |
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Term
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Definition
| live xray - example upper GI |
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Term
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Definition
| aka SI- one part imaged on top of another |
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Term
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Definition
| each anatomic structure is compared to adjacent structure to ensure that structure is present and properly shown |
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Term
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Definition
| the difference in density |
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Term
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Definition
| the ability to visualize small structures |
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Term
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Definition
| all radiographs have some degree of magnification because all body parts are 3 dimensional |
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Term
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Definition
| body part is analyzed to insure every is aligned, and anatomical |
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Term
| __ is a Minor surgical procedure that doesn't require a rigid sterile technique |
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Definition
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Term
| Two types of muslce contractions |
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Definition
| Voluntary and involuntary |
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Term
| Identification on Radiographs |
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Definition
Pt name and Id #
Date
R and L marker
Institution Name |
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Term
| #1 rule for all markers is too________ |
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Definition
| Always mark the correct side of body |
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Term
| 3 general types of position used with Image Receptor Placement |
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Definition
Diagonal
Longitudinal
Transverse |
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Term
| The CR is always _____ to IR |
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Definition
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Term
| Goal of CR placement is at a ____angle |
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Definition
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Term
| The _____the SID the _______ the body part is magnified |
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Definition
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Term
| T?F Many experts regard collmination as the most important aspect of producing and optimal image |
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Definition
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Term
| Gonadal Sheilding guidelines |
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Definition
| Always use in less patient refuses or clinical objective of exam is not compromised |
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Term
| You will decrease exposure technique with the following |
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Definition
old age
pneumothorax
atrophy |
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Term
| You will increase exposure technique with the following |
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Definition
pneumonia
enlarged heart
Ascities |
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Term
| DR technique is more sensitive to scattering t/f |
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Definition
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Term
| DR technique collmination is very important t/f |
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Definition
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Term
In DR technique side not being used should be covered
T/F |
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Definition
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Term
| In DR technique the kV is not as critical T/F |
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Definition
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Term
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Definition
| Automatic Exposure Control |
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Term
| AEC -detectors that are chosen for a specific body part will terminate the exposure when reach sufficient amount of radiation |
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Definition
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Term
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Definition
| Kvp and mAs are selected by radiographer and detectors are not used |
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Term
| T/F Obese patients will IR size will look smaller on a obese pt. |
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Definition
| T- decreased source SSD ( source skin distance) |
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Term
| Exposure factors when imaging with obese pt |
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Definition
need to increase exposure
focal spot
bucky and grid to reduce scatter |
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Term
| Imaging challenges with obese pt |
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Definition
finding landmarks
IR sizes
Orientation
Collmination |
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Term
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Definition
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Term
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Definition
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