Content Preview

RTBC Exam Prep 2025 Questions and Answers What determines the quantity of electrons in the tube current? - ....ANSWER☑️☑️...Heating of the filament -Heat of the filament produces the space charge effect and the thermionic cloud -Hotter the filament, the more electrons will boil off An "apple core" lesion is related to which pathology? - ....ANSWER☑️☑️...-Colon cancer -"apple core" or "napkin ring" describe the appearance of some types of cancer in the large intestine The ability to produce a high voltage electrical current in the x-ray tube is accomplished through which of the following devices? - ....ANSWER☑️☑️...Transformers -Step-up transformer converts low-voltage electricity to high voltage electricity -Diodes help convert AC to DC -Resistors control the flow of electricity What chamber of the heart is responsible for pumping blood to the lungs? ....ANSWER☑️☑️...-Right ventricle …FOR STUDY PURPOSES ONLY…©️ 2025 ALL RIGHTS RESERVED… 1