Primary x ray beam Study guides, Class notes & Summaries

radiation that is able to remove electrons from an atom through ionization - Ionizing Radiation refers to the effects of radiation to the body being irradiated - Somatic effects refers to effects of radiation to a germ cell's genetic code; effects the next generation - Genetic Effects radiation exiting the x-ray tube - Primary radiation x-rays the leave the patient and strike the image receptor - Remnant radiation (or Exit Radiation) absorption and scatter of the x...

Which of the following will decrease the amount of scatter radiation produced? a. increasing the x-ray field size b. decreasing the x-ray field size c. increasing the grid ratio d. decreasing the grid ratio correct answer: b. decreasing the x-ray field size Which of the following is not a type of beam restrictor? a. aperture diaphragm b. positive beam-limiting device c. cylinder d. lead shield correct answer: d. lead shield As collimation decreases, the quantity of scatter ra...

CAMRT Exam Questions with Correct Answers - Latest Update 2024/2025 | 100% Solved. What does ERCP stand for? - correct answers.Endoscopic retrograde cholangiopancreatography What is an ERCP used for? - correct answers.To investigate biliary tree, CBD, gallbladder and pancreas Ball catchers view is good to assess what? - correct answers.Early stages of Rheumatoid Arthritis Low blood pressure and dizziness due to standing up too quickly - correct answers.Orthostatic hypertension What is Sh...

With increasing levels of beam filtration where will the greatest dose savings be realized? A. in the initial layers of tissue struck by the beam B. in tissues at the midline C. in tissues at the exit surface of the patient D. at the level of the patient's gonads correct answer: A. in the initial layers of tissue struck by the beam Which of the following barium/air filled anatomic structures is best demonstrated in the LAO position? A. ileocecal valve B. sigmoid colon C. splenic flex...

Absorbed dose the amount of energy absorbed per unit mass (grays or rads) back projection - 3rd step in IR loop of iterative reconstruction algorithm - ray sum data are projected back onto a matrix. blood urea nitrogen (BUN) renal function (nitrogen in blood) (7-25mg/dl) bow-tie filter Filter compensating for a cylindrical shape (body) -filter is thicker at the ends contiguous images images with equal section thicknesses & reconstruction intervals Alia...

X-ray Certification Practice A dental assistant may expose radiogrpahs if - It is permissible in the state in which he or she is employed The most sensitive cells to ionizing radiation are - Reproductive cells The best type of x-ray to penetrate body tissue is - Hard rays, short wavelength Before seating the dental patient it is necessary to cover which of the following items with disposable plastic wrap - X-ray exposure control panel An exposed x-ray film covered with a plastic...

TRUE OR FALSE: - the anode is the positive side of the x-ray tube - True TRUE OR FALSE: - the entire cathode and anode assemblies are enclosed within a glass envelope. - False TRUE OR FALSE: - in radiology, the terms actual focal spot and effective focal spot reference the same area of the x-ray tube. - False TRUE OR FALSE: - X-rays are one form of electromagnetic radiation - True TRUE OR FALSE: - the velocity of electromagnetic energy is equal to the speed of sound - False TRUE OR FA...

NAVTA Review Questions with Verified Answers This is a potentially deadly disease caused by the bacterium Yersinia petis: Plague What is the condition Visceral Larva Migrans caused by? roundworms Sharp objects, like needles and blades, are known as: sharps What is the name for the piece of equipment that helps you hear a patient's lung and heart sounds during surgery? Esophageal stethoscope Chemical compounds used for general anesthesia that are inhaled and exhaled via the lu...

DANB RHS Practice Test Exam Questions with 100% Correct Answers During which type of radiographic exposure should a patient wear a thyroid collar? Panoramic radiograph Extraoral radiograph Cephalometric radiograph Intraoral radiograph - answerintraoral radiograph. What are common uses for a CBCT 3D image? identifying an apical abscess determining periodontal disease determining bone structure and tooth orientation determining decay in teeth - answerdetermining bone structure and tooth...

low voltage x-ray tubes are generally fitted with windows made of: - beryllium a monochromatic x-ray beam is: - a beam consisting of a single wavelength the general method of producing x-rays involves the sudden deceleration of high velocity electrons in a solid body called a: - target if it were necessary to radiograph a 7" thick steel product, which gamma ray source would most likely be used? - co-60 a co-60 gamma source has an approximate practical thickness limit of: - 9" of st...