Final answer:
X-ray photons are concerning for patients due to their high energy which can harm tissues, unlike visible light.
Their ability to penetrate materials makes them useful for medical imaging, yet also poses risks which are managed through shielding and controlled exposure.
Overexposure can increase cancer risks, so benefits of imaging are always considered against potential harm.
Step-by-step explanation:
Patients might be concerned about receiving a chest X-ray because X-ray photons carry considerably more energy and can harm the body's tissues, unlike the photons from visible light. The energy of X-ray photons allows them to penetrate materials and create images of internal structures such as bones and certain tumors, which is valuable for medical diagnostics.
However, because of their high photon energy, X-rays produce significant ionization and can damage cells, which is why their use is limited and carefully managed. Shielding and exposure limits help minimize risks for both patients and operators.
Medical imaging techniques, such as using isotopes with short half-lives, can further limit radiation doses received by patients.
Different medical procedures involve varying levels of radiation exposure, with chest X-rays generally imparting a very low dose (about 0.1 mSv), whereas other procedures like CT scans can be higher.
Overexposure to X-rays has been linked to an increased risk of cancer, which is why medical professionals always weigh the benefits against the risks when deciding to use X-ray imaging.