LMRT Review 2 – 2023| 97 QUESTIONS| WITH COMPLETE SOLUTIONS

The unit used to indicate the total quantity of x-rays in an exposure is correct answer: mAs The inverse square law states that the intensity of the x-ray beam is ______ to the square of the distance correct answer: inversely proportional The primary controlling factor of contrast is correct answer: kilovoltage A low kVp setting produces an image with correct answer: short scale contrast Another name for size distortion is correct answer: magnification An increase in OID will result in correct answer: increased magnification quantum mottle or graininess in the radiographic image, because of too few photons interacting with the body part call affect image quality by decreasing the correct answer: Spatial resolution Distance between the tube target and the IR is termed correct answer: Source-to-image receptor distance (SID) A change from the small focal spot to the large focal spot results in correct answer: decreased resolution Motion of the patient, the tube, or the IR during the exposure result in decreased correct answer: Resolution The portion of the x-ray room that is protected from scatter radiation, and I saved an exposures just called the correct answer: Control booth Tissues with greater mass, such as bone, will absorb _____ radiation, as compared with less dense tissues, such as fat correct answer: more The absorption of x-rays by matter is called: correct answer: attenuation The radiation exit the x-ray tube and travels in air to the patient is called: correct answer: Primary The box like device attached under the tube housing that allows the limited operator to size of the radiation field is called a: correct answer: Collimator The principal source of scatter radiation is the: correct answer: patient