NDAEB exam (RAD)questions n answers graded A+ 2024

NDAEB exam (RAD)questions n answers graded A+ 2024 what term best describes the smallest particle of an element that retains the properties of that element a) atom b) molecule c) photon - correct answer A) atom what is the function of the lead foil in the x-ray packet a) moisture protection b) absorb scatter radiation c) provide rigidity to the packet d) protect against fluorescence - correct answer B True or False Jurisprudence is the practice of dentistry pertaining to the law - correct answer True The primary cause of biological damage from radiation is A) ionization B) direct effect C) indirect effect D) genetic effect - correct answer A Which of the following is a screen film A) occlusal B) periapical C) bitewing D) panoramic - correct answer D what is the result of incorrect horizontal angulation A) image is cut off B) overlapping C) elongation D) focus shortening - correct answer B Which of the following should be avoided when talking to a client A) we use fast speed film B) the exposure button sticks sometimes C) you must stay still for the x-ray D) I am trained to take x-rays - correct answer B what % of kinetic energy inside the tube is converted into x-ray A)1% B) 50% C) 75% D) 99% - correct answer A a professional code of ethics A) makes the laws for taking xrays B) establishes the time frame for exposing C) helps define the rules of conduct for professionals D) protects the radiographer in cases of legal action - correct answer C what is the ideal temperature for processing films manually A) 15.5 C B) 20 C C) 75 F