LMRT Assessment Tests| 150 QUESTIONS| WITH COMPLETE SOLUTIONS

. What type of current is required for proper operation of the x-ray tube? correct answer: Direct Electromagnetic radiation travels: correct answer: In waves along a straight path Frequency is defined as: correct answer: The number of waves passing a point per unit time Wavelength is defined as the distance from: correct answer: Peak to peak of the wave Wavelength and frequency are: correct answer: Inversely proportional to each other The x-ray beam changes as it travels through the patient by a process called: correct answer: Attenuation The intensity of radiation is inversely proportional to the square of the distance between the source of radiation and the person receiving it. This describes the: correct answer: inverse square law Electricity is supplied to the imaging department by a: correct answer: Generator High-frequency power: correct answer: Has almost no ripple The primary advantage of three-phase power is that: correct answer: Voltage never drops to zero A variable transformer that is used to select kVp for the x-ray circuit is the: correct answer: Autotransformer A transformer that has more turns in the secondary coil than in the primary coil is called a: correct answer: Step-up transformer What is the transformer used to boost voltage to kilovoltage levels called? correct answer: Step-up transformer Voltage coming to the x-ray machine is kept constant through the use of a(n): correct answer: Line voltage compensator A step-down transformer: correct answer: Steps down voltage Where does thermionic emission occur? correct answer: Cathode