Question 1: X-ray imaging is commonly used in medical settings for various purposes. Which of the following statements best describes the principle behind X-ray imaging?
X-rays produce sound waves that create images of internal structures.
X-rays use magnets to create images of bones and soft tissues.
X-rays use ionizing radiation to penetrate tissues and create images.
X-rays emit radio waves to visualize organs and blood vessels.
The Correct Answer is C
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. X-rays do not produce sound waves; they use ionizing radiation to create images, as mentioned in the correct explanation.
b. X-rays do not use magnets; magnetic resonance imaging (MRI) uses magnets to create images of bones and soft tissues.
d. X-rays do not emit radio waves; magnetic resonance imaging (MRI) and computed tomography (CT) use radio waves to visualize organs and blood vessels.
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Related Questions
Correct Answer is D
Explanation
When performing X-ray imaging on a pediatric patient with suspected scoliosis, using gonad shields is essential to protect the child's reproductive organs from unnecessary radiation exposure.
a. Performing X-rays at a higher resolution may provide better visualization of the spine, but it is not directly related to the safety measure required for a pediatric patient with suspected scoliosis.
b. Applying lead aprons to protect the child's abdomen and chest only does not adequately protect the reproductive organs. Gonad shields are specifically designed for this purpose.
c. While limiting the number of X-ray images taken is a good practice to minimize radiation exposure, it may not be feasible for diagnostic purposes in cases of suspected scoliosis that require multiple images for evaluation and treatment planning.
Correct Answer is A
Explanation
After the removal of any protective lead aprons or shields post-X-ray imaging, the radiographer should note the time and date of removal in the patient's record. This documentation ensures that the appropriate radiation safety measures were followed during the procedure.
b. Indicating any radiation exposure the patient received is not relevant after the removal of lead aprons. The radiation exposure received during the procedure should be documented before the protective equipment is removed.
c. Writing down the patient's feedback about the procedure may be valuable for patient satisfaction and quality improvement but is not specifically related to the documentation of lead apron removal.
d. Documenting the radiographer's personal observations is not essential in the patient's record after lead apron removal. The focus should be on relevant patient information and safety measures taken during the procedure.
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