Essentials for Limited Practice 4th
Edition Latest Version Graded A+
What is the primary purpose of radiography?
✔✔To create diagnostic images of the body using X-rays.
Who discovered X-rays?
✔✔Wilhelm Conrad Roentgen discovered X-rays in 1895.
What does ALARA stand for in radiography?
✔✔As Low As Reasonably Achievable, a principle for minimizing radiation exposure.
What is the role of the radiographer?
✔✔To perform imaging procedures and ensure patient safety during radiographic exams.
What type of energy is used in radiography?
✔✔Electromagnetic energy in the form of X-rays is used in radiography.
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, What is ionization in the context of X-rays?
✔✔Ionization is the process of removing or adding electrons to atoms, which X-rays can cause.
Why is lead used in radiography?
✔✔Lead is used as shielding to block or reduce radiation exposure.
What is the function of the X-ray tube?
✔✔The X-ray tube produces X-rays by accelerating electrons toward a metal target.
How do X-rays produce an image?
✔✔X-rays pass through the body, and varying absorption levels create contrast on the image.
What are the two primary types of radiation effects on the body?
✔✔Somatic effects and genetic effects are the primary types of radiation effects.
What is the purpose of collimation in radiography?
✔✔Collimation limits the size of the X-ray beam to reduce radiation exposure and improve
image quality.
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