Apatient with nasal congestion, fever, and cough has been using over-the-counter medications for a week without improvement. the patient exhibits tenderness to percussion over the sinuses and referred pain to the back of the head. these findings may indicate which condition?

The answer for the above question is rhinosinusitis. Rhinosinusitis may also be referred to as chronic sinusitis and is caused by an infection, growths in the sinuses, or deviated septum. The symptoms include nasal obstruction or congestion that results to difficulty breathing through the nose, and pain, swelling around the eyes, cheeks, nose or forehead. Additionally, other signs include, reduced sense of smell and taste in adults or coughs in children.

The infrared (ir) and the ultraviolet(uv) represent the two extremities of the visible spectrum (400-700nm). while ir represents electromagnetic radiation with wavelengths longer than those of visible light, uv represents wavelengths shorter than visible light