LMRT

As a professional radiographer, the practice of ALARA requires you to correct answer: restrict the XR beam to the clinical area of interest The factors that affect XR emission under the direct control of the radiographer are called_ factors correct answer: prime Milliamperage-second (mAs) directly affects all of the following EXCEPT correct answer: beam quality The factors that directly affect XR quantity are correct answer: mA & filtration The factors that directly affect XR qua...

which of the following technical factors adjustments should be made when negative contrast media agents are used? A. decrease kilovoltage peak (kVp) B. increase kilovoltage peak (kVp) C. increased milliampere seconds (mAs) D. decreased milliampere seconds (mAs) correct answer: A. decrease kilovoltage peak (kVp) a patient is seen in the emergency department with a possible fracture of the 4th finger which of the following would be proper positioning for this patient? A. lateral project...

LMRT Core & Patient Care| 98 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 thro...

X-rays where discoverd in 1895 by? correct answer: Roentgen The Joint Review Committee on Education in Radiologic Technology (JRCERT) is the: correct answer: Organization that accredits schools for radiologic technologists. The worlds oldest and largest radio-logic science professional organization is the ? correct answer: American society of radiologic Technologist. What organization establishes standards and provides certification examinations for radiologic technologists? correct ...

spatial resolution is improved when correct answer: SID increases the adoption of a DICOM standard in the medical imaging industry was designed to correct answer: allow various vendors to share digital data with out proprietary software constrains. Most AECS utilize ___ ion chambers in various combinations. correct answer: Three Shape distortion is caused by ? A. as the ratio of SID and SOD B.using the tube angle and OID C.automatically in the computer post processing correct ans...

Which of the following statements are correct regarding the link between radiation dose and genetic effects 1. The link has a been demonstrated in human studies 2. The link has been demonstrated in animal studies 3. Increased risk to humans cannot be predicted with respect to an individual correct answer: 2 and 3 only Which of the following changes in kilovoltage (kVp) will result in the greatest reduction of patient dose, when milliamperage-seconds (mAs) is adjusted to compensate for t...

A normal adult oxygen saturation range would be: correct answer: 95-100% Which of the following organizations provides accreditation for healthcare provider institutions? correct answer: Joint Commission When obtaining a blood pressure, the first pulse heard through the stethoscope is: correct answer: systolic number This is required to restrain a patient: correct answer: physician's order CVA stands for correct answer: cerebrovascular accident A pathologic state resulting f...

Which of the following transformers reduces the voltage on the secondary side to provide an appropriate current to heat the filament? correct answer: step-down transformer The process of causing alternating (A-C) current to flow in one direction (D-C) only is called: correct answer: Rectification The maximum heat capacity of the anode of the X-ray tube is rated in terms of correct answer: heat units Nearly all new x-ray machines manufactured today use _________________ generators cor...

Units for- Force Power Energy Current Electrical Charge Capacitance correct answer: Newton Joule Watt ampere (amps) Volts Farads What is hysteresis loss? correct answer: -(Lagging loss) in the core because energy is expanded as the continually changing Ac current magnetizes, demagnetizes, and remagnetizes the core material . Which type of generator has voltage that never drops to zero? correct answer: -Multiphase Generator What emerges from the port window and what type o...