X-ray imaging is based on the principle of:
Using sound waves to create images of internal structures.
Utilizing magnetic fields to visualize bones and soft tissues.
Utilizing ionizing radiation to penetrate tissues and create images.
Emitting radio waves to visualize organs and blood vessels.
The Correct Answer is D
X-ray imaging uses ionizing radiation, which has high energy and can penetrate tissues. When X-rays pass through the body, they are absorbed differently by various tissues, creating an image that allows visualization of bones and soft tissues.
a. Using sound waves to create images of internal structures refers to ultrasound imaging, not X-ray imaging.
b. Utilizing magnetic fields to visualize bones and soft tissues describes magnetic resonance imaging (MRI), not X-ray imaging.
d. Emitting radio waves to visualize organs and blood vessels is a principle of MRI and not X-ray imaging.
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Related Questions
Correct Answer is C
Explanation
When a pediatric patient is unable to cooperate and hold still during X-ray imaging, employing immobilization techniques and involving parents or caregivers to help keep the child still is essential for obtaining clear and accurate images.
a. Sedating a child solely for X-ray imaging is not ideal and should only be considered when medically necessary and under the guidance of a healthcare provider.
b. Using motion-blur reduction techniques during image processing can improve image quality to some extent, but it cannot compensate for significant motion artifacts caused by an uncooperative child.
d. Postponing the procedure may not be appropriate if the X-ray is urgently needed for diagnosis or medical management. Efforts should be made to use appropriate immobilization techniques to obtain necessary images.
Correct Answer is A
Explanation
Image intensifiers are used in fluoroscopy to enhance image brightness and quality. Limiting their use can help reduce X-ray scatter and unnecessary radiation exposure to the patient and healthcare provider.
b. Increasing the fluoroscopy time should be avoided to minimize radiation exposure to the patient and provider. The goal is to keep fluoroscopy time as short as possible while still obtaining necessary images.
c. Standing closer to the patient during the procedure increases the radiation exposure to the healthcare provider. Providers should maintain a safe distance from the X-ray source during fluoroscopy.
d. Using the highest possible radiation dose is not recommended, as the goal is to use the lowest radiation dose necessary to obtain diagnostic images while still maintaining image quality and reducing the risk of radiation exposure to the patient and provider.
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