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Study Stack Review

Jacob Niccoli Study Stack Review RAD 100

QuestionAnswer
Explain the concept of Central Ray Angulation Central Ray angulation has a few different ways it could be used. This allows us to see areas like joints in fingers optimally. We can also use this for patients when they don't have full movement of an area, we can angle the CR to get the correct image.
Define Anatomical Terms like caudal, proximal, distal, and their applications in radiographic positioning. Inferior: Towards the feet, Superior: Towards the head, Proximal: closer to the midline, Distal: Further from the midline, Anterior: Front of body, Posterior: Back of Body, Medial: towards the midline of body. We use these to know where to take the image.
List and describe the Two Classifications of the Human Skeleton. We have the Axial Skeleton which contains our Skull, Vertebrae, Rubs, and Sternum. We also have the Appendicular Skeleton which contains the upper extremities, lower extremities, shoulder and pelvic girdle.
Recognize and explain Body Positions such as Trendelenburg, supine, and recumbent. Trendelenburg is when a patient is laying on their back with their head is lower than their feet. Supine is laying on their back anatomical position. Recumbent is any position laying down. Pronation is lying flat on the belly.
Identify the Planes of the Body and their importance in radiography. The Sagittal plane divides the body in to left and right while mid sagittal plane is equally down the middle.Transverse plane is what cuts the body into upper and lower parts so it could be used waist down.Coronal Plane is dividing anterior and posterior.
Explain the use of Positioning Landmarks for proper alignment during imaging. Positioning landmarks help radiographic technologists get proper alignment to ensure that all parts necessary and that the radiologist is able to know what he is seeing using the other parts as reference.
Describe Routine Positions for Upper Extremities and their importance in diagnostic imaging. Most of the images do not take any angulation in the upper extremities and will all be taken at 40" SID. We have to keep in mind our anatomical terms such as Anterior and Posterior as that is quite common. AP is CR through anterior out posterior to IR.
Discuss how kVp Adjustments are made for different imaging needs. The kilovolt peak is adjusted based on how much penetrating power we need to get an image. This also will affect the quality of the X-Ray. For our thinner areas we will use less kVp and areas like our chest we will use higher levels of kVp.ALARA principle
Explain the purpose of Automatic Exposure Control (AEC) and its role in patient safety. AEC plays a giant role in patient safety as it adjusts our mAs and kVp to what is needed to keep radiation exposure within ALARA yet still allowing and quality image to be produced.reduces human error and helping Rad techs not have to over exposure.
Discuss when and why Grids are used in radiography. Grids are what we use when taking images of larger areas meaning thicker or denser areas. What grids do is improves the quality of the image by reducing the scatter radiation that gets to the IR. Grids are helpful however take a high dosage of radiation.
Identify the Components of the X-ray System (e.g., X-ray tube, generator, image receptor). X-ray tube is where the x-ray is produced, the generator is what gives the power to the x-ray rube, image receptor is what absorbs the x-rays and creates the image, control system is how we adjust the kVp & mAs, collimator is how we adjust the xray goes.
Differentiate between types of X-ray Tables and Support Systems. So at lab we had a floating x-ray table which can be adjusted and moved up/down, forward/back, left/right, C-arm is a mobile x-ray device, upright is standing, floor mounted, ceiling mounted, wall mounted allowing for different movements to x-ray.
Explain how to properly center the CR for Hand and Wrist Imaging. For centering the CR for the hand it is going to be point at the 3rd MCP joint for the wrist it will be pointed at the midcarpal area, forearm the middle of the forearm, humerus will be the midshaft of the humerus. important positioning landmarks
Define terms for Body Movements, such as supination and pronation. Supination is referring to the movement of something upward while pronation is referring to the movement of something downward. Flexion is bending a part of the body decreasing the angle of the join while extension is straightening the body part.
Describe the Importance of Image Orientation Image orientation is important & it is what allows for proper diagnoses. This ensures that the image is in proper alignment & is able to make a proper diagnosis. Without it does not allow to see all that is necessary & could cause false diagnoses.
Created by: JacobNiccoli
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