Lead collimator - Study guides, Class notes & Summaries

DENTAL RADIOGRAPHY REVIEW EXAM | 254 ACTUAL QUESTIONS AND ANSWERS VERIFIED BY EXPERT 100% CORRECT | UPDATED The most sensitive cells to ionizing radiation are a. bone b. muscle c. nerve d. reproductive - ANSWER d. reproductive The best type of x-ray to penetrate body tissue is a. low frequencies b. high frequencies, short wavelength c. long wavelength d. soft rays, long wavelength - ANSWER b. high frequencies, short wavelength Before seating the dental patient, it is necessar...

LRA 222 Final Exam Review Latest Update 100% Pass The anode includes the: target and induction motor the cathode includes the: Filaments and focusing cup the motor that turns the anode operates through what? mutual induction with a rotating anode, the focal spot becomes a: Track the focusing cup is able to keep the electrons together because of what? like charges repel The stator is made up of electromagnets? True prepping the rotor but not making an exposure on a regular basis is related ...

LRA 110 Final Exam Questions and Answers Rated A+ x rays were discovered ? November 8, 1895 by Wilhelm Conrad Roentgen the first radiograph produced by Dr. Roentgen was of His wife's hand radiation burn resulting from excessive exposure to xrays common among early patients and operators of xray equipment a delayed reaction to excesssive xray exposure acute radiodermatitis Watt is the unit of measure of power energy in a stored state is potential energy energy being expended? potential ene...

Chapter 03: Radiation Characteristics Iannucci: Dental Radiography, 5th Edition MULTIPLE CHOICE 1. In dental radiography, the term ________ is used to describe the mean energy or penetrating ability of the x-ray beam. a. quality b. quantity c. intensity d. wavelength ANS: A Quality is used to describe the mean energy or penetrating ability of the x-ray beam. Quantity refers to the number of x-rays produced. Intensity is defined as the product of the quantity and quality per...

HESI EXIT EXAM STUDY VERIFIED QUESTIONS AND ANSWERS 2023 LATEST UPDATE GRADED A A radiographer prepares to perform an AP projection of the distal femur on a patient with a suspected femoral fracture. Which represents the best approach for positioning both the patient and the x-ray tube? A. Rotate the leg 15 degrees medially; place the cathode end of the tube toward the foot. B. Rotate the leg 15 degrees medially; place the anode end of the tube toward the foot. C. Do not rotate the l...

Instrumentation NMTCB Practice with Certified Solutions What is a gamma camera crystal made of? Sodium iodide activated with thallium What is the purpose of the crystal in a gamma camera? To absorb gamma (γ) rays and convert them into visible-light photons What is the mechanism by which gamma (γ) rays interact with a gamma camera crystal? Photoelectric effect or Compton scattering. What is the relationship between the energy of an absorbed gamma (γ) ray and the amount of light produced by...

RDA Texas State Board Exam Radiosensitive Tissue examples... Bone marrow Reproductive organs Extra oral Film is used to... Evaluate large areas of skull Used to study bone / teeth growth and development Locate suspected fractures of maxilla or mandible Material that the Collimator is made of Lead Correct processing sequence for radiographic film... Develop Rinse Fix Wash Dry Types of extra oral radiographs Tomographs Panoramic Cephalometric OSHA (Occupatio...

What are x-rays - ️️radiant energy waves that are produced, charged, and emitted from a common center in the dental radiation tube. What does exposure time control? - ️️duration of the interval during which current will pass through the X-ray tube; this period may be stated as fractions of a second or impulses (60 pulses to a second). The amount of exposure that a patient actually receives is measured in milliampere seconds (mAs) What does milliampere control? - ️️mA describes the ...

RHS 2024 Exam Questions with Correct Answers Ideal temp for xray development solution - Answer-68 degrees Incorrect horizontal angulation - Answer-overlap/superimposition earliest sign of skin exposure to radiation - Answer-erythema recommended collimation of primary beam at pt's skin surface - Answer-2.75 lead diaphram - Answer-collimator filter - Answer-aluminum disk most effective way to reduce exposure to genetic tissue - Answer-lead apron most radiolucent structure of...

What are the advantages of Digital Imaging? - No film or processing solution, less exposure to the patient The anterior wall of the sinus and lateral wall of the nose form; - Inverted Y As the target to film distance is increased, Will there be more or less distortion? - Less The basic unit for measuring ionizing radiation exposure in the air known as - Roentgen What is the best film to view lingual or buccal caries? - Occlusal What is the best film to use on an edentulous patient? - Pano ...