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Final Exam Review

Review Of Weeks 1-10

QuestionAnswer
What is Principle of Diagnostic Yield? Refers to the amount of useful information obtained from an image. Should show proper density contrast and sharpness of anatomy.
What is the Principle of Diagnostic Efficiency? It is obtaining the best possible diagnostic image using the least amount of radiation, time, and resources while maintaining image quality.
What are the basic principles of manipulation of radiographic equipment. Manipulating radiographic equipment means adjusting SID, which is source to image distance, OID which is object to image distance, angling the central ray correctly, tube rotation, and collimating correctly to obtain the best image quality.
What are the the essential Components of the X-Ray System Includes the x-ray tube, which produces the x-rays, the generator which supplies electrical energy, the image receptor which captures the image, the tube support system, positions the tube and the collimation system which restricts the beam.
What are the major controls on the radiographic system control console. The control console controls the kVp which is the quality, penetration and contrast. The mAs which controls quantity of x-rays and receptor exposure seconds.
Discuss the concept of exposure controls, and their importance to the technologist. It is important to know your exposure control because as technologists we must balance image quality with radiation safety following ALARA.
What is the purpose of the collimation assembly and its importance in radiation protection. It restricts the size and shape of the x-ray beam, which reduces the patient dose to prevent extra radiation, it reduces scatter radiation, improves image contrast and protects radiosensitive tissues.
What are the different types of x-ray tables, and how they differ? The fixed radiographic table is stationary and used for routine exams. The floating table moved in multiple directions for positioning. The elevating table adjust height for patient accessibility. The trauma table is designed for injured patients who cann
What are the differences between the types of x-ray tube support systems? The U-arm receptor and tube move together. The ceiling mounted tube moves along ceiling tracks. The C-arm is mainly used in surgery for fluoroscopy. The floor mounted support, comes with the tube attached to the floor.
What is the purpose of the upright image receptor and its functionality? You would use the upright image receptor if you’re patient is standing up for their exam of the chest, or upright abdomen. The upright image receptor also contains grid which reduces scatter radiation.
What are the different types of receptors, and how do they differ? CR – computed radiography and DR- digital radiography.
What are the different positioning aides, and their uses? Sponges to support the anatomy, sandbags to stabilize body parts, and tape to secure position.
What are the specialty radiology suites, and their uses? CT suite which is for cross-sectional imaging, MRI suite for magnetic imaging, mammography for breast imaging.
What are the planes of the body? Sagittal, midsagittal, coronal frontal and transverse.
What is medial, and proximal? Give examples? Medial refers to the midline which is towards the middle. Proximal refers to closer to point of attachment, for example your elbow is proximal to your wrist, versus your wrist is distal your elbow.
What is anatomical position? Standing upright, facing forward, palms facing forward, and arms at sides abducted, with feet slightly apart.
What is supination and pronation? Supine refers to lying down on their back for their exam and pronation refers if they are lying face down.
What are some routine positions for upper extremities and lower extremities, thorax, and abdomen? Some routine positions for chest which is upper extremity would be PA and lateral, hand positions would be AP, oblique, and lateral.
Created by: user-2046399
 

 



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