Radiology All of the following statements about an intraoral dental X-ray film are true except: A It is composed of a cellulose acetate base coated with a silver bromide emulsion B It has a thin sheet of lead foil that lies in front of the film to prevent overexposure C It has an embossed dot on it which should be orientated towards the source of X-rays D It is exposed by the direct action of X-rays on the emulsion 💡 Explanation All of the following statements about an intraoral dental X-ray film are true except: ✓ Correct Answer: B. It has a thin sheet of lead foil that lies in front of the film to prevent overexposure