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Chapter 1

Introduction to Radiography, Safety, and Student Success

QuestionAnswer
The center or midpoint of the x-ray beam Central Ray
Includes the trunk, arms above the elbows, and legs above the knees; it is used for purposes of radiation exposure doses Whole body
Radiation damage that occur to persons whose ancestors were irradiated Genetic effects
Radiation protection standards that state radiation must be as low as reasonably achievable ALARA
The central ray entering the patient's anterior surface and exiting the patient's posterior surface Anterior Posterior (AP)
Radiation damage that occurs to the person who received the radiation Somatic effects
Central ray entering the patient's posterior surface and exiting the patient's anterior surface Posterior Anterior (PA)
A glass tube that is partially evacuated in which electrons can flow from the cathode to the anode Crooke's tube
Physical, mental or emotional strain or tension Stress
Subject to or involving emotion or emotions; emotion is a generalized feeling or feelings Emotional
Learn through doing or touching Kinesthetic learners
Who discovered X-Ray William C. Roentgen
Who invented fluoroscopy Thomas Edison
Who was an early radiologist who suffered the effects of radiation because of his use of the fluoroscope Mihran Kassabian
The effects that happen to the person exposed to the radiation Somatic
What is the current annual occupational dose limit as set by the NCRP #160 5 rem (50 mSv)
The direction of the path of the central ray (CR) Projection
The radiographic position refers to the Specific body positions
The three concepts of ALARA are Time, distance, shielding
T/F: The inverse square law states that the intensity of the radiation beam will be decreased by a factor of 4 if the distance between the technologist and the source is doubled True
T/F: Besides shielding, another aspect of patients protection is communication True
T/F: Collimation of the x-ray beam is the same as cropping the digital image False
Created by: BrookeIce
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