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Main property of x-radiation that makes it potentially hazardous is its ability to? - ANSWERS Ionize Describe the damage potential of ionization? - ANSWERS Chain reaction in the human body that may eventually cause biologic damage. X-rays are from the Electric Magnetic Spectrum or radiation energy and is considered harmful in high energy ranges. What is the most likely potential hazard working with diagnostic radiology? - ANSWERS Carcinogenesis - Stochastic/Non-Threshold Effect .1 Rem =...

What radiographic procedure must you use sterile gloves for touching items on the tray? - ANSWERS Myelogram Written defamation of character is known as? - ANSWERS Libel Which drug would you administer when a patient develops urticaria? - ANSWERS Antihistamine What is another name for hives? - ANSWERS Urticaria A skin rash triggered by a reaction to food, medicine, or other irritants. - ANSWERS Hive Or Urticaria Transmission of an infection by insects such as a tick or mosquito is kn...

*Study guide for the ARRT exam in radiography.* - ANSWERS *Anatomy and positioning are not covered in this study guide.* What is a Tort - ANSWERS A violation of CIVIL LAW Torts are also known as ________. - ANSWERS Personal Injury Law If a patient is apprehensive about being INJURED, or a radiographer causes FEAR in the patient, it is known as ________. - ANSWERS Assault UNLAWFUL TOUCHING or touching WITHOUT CONSENT , harm resulting from physical contact with the radiographer, and IMAG...

When imaging a geriatric patient, while performing a PCA MRA sequence, what imaging parameter might the operator adjust? A. Field of view B. Presaturation band location C. Slice thickness D. VENC E. Contrast injection rate - ANSWERS VENC As the number of phase encodings is increased from 256 to 512, SNR (signal to noise ratio): A. Increases B. Decreases C. Doubles D. Does not change E. Quadruples - ANSWERS Decreases A magnetic vector possesses attributes of both __________ and __...

Define the term 'empirical formula' - ANSWERS A formula that gives the simplist whole number ration of atoms of each element in a compound Define the term 'molecular formula' - ANSWERS A way of representing molecules that shows the actual number of atoms of each element in a molecule Define the term 'General formula' - ANSWERS An algebraic formula that can describe any member of a family of compounds Define the term 'Structural formula' - ANSWERS A way of representing molecules ...

Nucleons - ANSWERS Protons and neutrons Electrons (location) - ANSWERS Surrounding the nucleus Relative mass of an electron - ANSWERS 1/1840 Strong nuclear force - ANSWERS The way protons and neutrons are held together in the nucleus Electrostatic forces - ANSWERS The attraction between protons and electrons that hold them together in the atom Atomic Number (Z) - ANSWERS The number of protons in the nucleus Mass number (A) - ANSWERS The total number of protons and neutrons in the nuc...

Absolute temperature - ANSWERS Temperature measured in Kelvin Absolute zero - ANSWERS The lowest possible temperature theoretically achieveable - 273.15 degrees celius or zero Kelvin Acceleration - ANSWERS The stage in mass spectrometry where positive ions are speeded up by an electric field Acid rain - ANSWERS Rain that has been acidified by pollutants such as sulfur dioxide Actual yield - ANSWERS Mass of product obtained in a reaction Addition polymer - ANSWERS Polymer formed when many...

What is the equation linking mass moles and MR? Mass=moles * MR What is the definition of Ar (relative atomic mass)? The average mass of an atom of an element compared to the mass of one twelfth of carbon 12. What does Mr stand for? Relative molecular mass Define relative isotopic mass. The mass of an isotope of an element compared to the mass of one twelfth of the mass of carbon 12 What is the relative mass of an electron? 1/1840 What is an isotope? Isotopes of an element are ato...

API 650 covers material, design, fabrication, erection and testing requirements for aboveground welded steel storage tanks. Internal pressure allowed for these tanks approximates atmospheric pressure. However, the internal pressures mus not exceed what criteria? - ANSWERS The weight f the roof plates (1.1.1) What is the maximum temperature permissible for a 'standard tank' covered by API 650, unless additional requirements of appendix M of API 650 are followed? - ANSWERS 200F (1.1.1)...