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An endoscope is a narrow flexible tube which contains an optical device like a telescope or magnifying lens with a bright light. In sinus endoscopy, the endoscope i... More
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2.
Radiography of Nasopharynx
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During a physical examination, a health care provider studies a patient's body to determine the presence or absence of physical problems. A typical physical ex... More
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4.
X-rays are a form of electromagnetic radiation, just like visible light. In a health care setting, a machines sends are individual x-ray particles, called photons. ... More
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