Dosimetry exam - Study guides, Class notes & Summaries

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 ener...

An in depth summary of the "Biomedical Imaging (BMs23 course)". This summary contains all material discussed in the course and you should easily pass the exam using this. In addition, this summary can be used outside this course for a clear and complete description of MRI, ultrasound, PET, SPECT, X-ray, CT, and mammography, as well as the mechanisms behind them. See the content list for the complete overview. Some important concepts that are described are: fluorescence, tomosynthesis, t1, t2, t2...

Dosimetry Exam 2 Questions with complete solution 2023isocentric technique means the same ____________________ --> when the isocenter is placed in the ____________________, all motions remain centered on ____________________ in the patient - correct answer center, center of the target, target once patient is setup, the patient is not ____________________ --> only the ____________________ moves --> advantage of ____________________ technique and can result in less _________________...

Dosimetry Exam Question and answers rated A+ 2023A patient is lying supine and the physician wants the field moved cephalad 1cm. What direction is the table moved? - correct answer out "Smearing" or moving junctions and/or gaps between fields is called: - correct answer feathering Simulation with a fluoroscope is a: - correct answer dynamic study What type of setup is preferred? - correct answer isocentric SAD

Dosimetry Exam Question and answers 2023 verified to pass SED - correct answer skin erythema dose SED was used in what era - correct answer orthovoltage unit "R" introduced in what year - correct answer 1937 exposure is the same as saying ionization in air - correct answer true SI - correct answer systems internacionale d'unites when ionization loss is compensated by ionization gained - correct answer electronic equilibrium where free ionization chambers a...

Dosimetry Exam Question and answers correctly solved 2023

DOSIMETRY EXAM 2 assignment 4 Question and answers correctly solved 2023Basic structure of gas detector - correct answer A gas detector consists of a gas filled space, and two electrodes. A high voltage power supply gives a potential difference between the two electrodes. One sign particles of the ion pairs (usually electrons) are collected by an electrode, and measured by an electrometer. An ion pair - correct answer The ejected electron and the positively charged atom Ion Pair ...

Dosimetry Exam 2 Question and answers 2023 verified to pass

Dosimetry Exam 1 Question and answers 100% correct 2023field size is defined at - correct answer SAD equivalent path length - correct answer the calculation depth adjusted for heterogenity of tissue, bone, lung and other objects that lie in the path of beam to the calculation point types of bolus - correct answer wax, rice grains, water (gauze), superflab *thickness of blous must be included with the depth

Dosimetry exam quizzes and answers 100% correct 2023cobalt 60 production - correct answer sample placed in the neutron flux of a reactor oxygen 15 production - correct answer sample bombarded with charged particles in a cyclotron radium 226 production - correct answer naturally occurring in uranium ore technetium 137 production - correct answer eluded from the column of a generator

Definitions for Dosimetry Exam 1 Question and answers 100% correct 2023Depth - depth of calculation point Energy - penetrating power of beam Density - the type of tissue the beam penetrates - correct answer What does Dose delivery depends on: distance from the radiation source to the skin surface; - correct answer SSD (source to skin distance) distance from the tube to the skin surface - correct answer TSD (tube to skin distance) the size of the field on skin - correct an...