Radt 1200 - Study guides, Class notes & Summaries

radt 1200 final With Solutions 100% Correct human phantoms and test objects patient dose is usually estimated by conducting stimulated xray examinations with .20 mSv the genetically significant dose for the population of the US is about an estimate from ESE bone marrow dose is measured by 60 mGya a fluoroscopic procedure requires 1.5 min at 90 kVp 2 mA what is the approx. ESE

RADT 1200 Chapter 6 Test Questions and Answers All Correct What do hormones regulate? - Answer-body functions -growth -development What are antibodies? - Answer-protein molecules What does it combine with to make life possible? - Answer-hydrogen, nitrogen, oxygen What contains the most carbon of all organic compounds? - Answer-proteins How much of the cell content is made up of proteins? - Answer-15% Functions of protein - Answer--growth -construction of new body tissue -rep...

RADT 1200 Chapter 7 Test Questions and Answers All Correct What does molecular damage results from? - Answer-the formation of structurally changed molecules that cause injury cellular function The entire body process can be affected if a large amount of what is damaged? - Answer-somatic cells If germ cells are damaged, what can happen? - Answer-future generations can be affected leading to mutations What are the 2 classifications of ionizing radiation interaction? - Answer-indirec...

RADT 1200 Chapter 1 Test Questions and Answers All Correct What are the consequences of ionization in the human cell - Answer-- creation of unstable atoms -production of free electrons -production of low energy x-ray photons -creation of new biologic molecules -creation of highly reactive free molecules that are (poisonous to cell ) - injury to cell (abnormal or lose function) When is radiation exposure considered unnecessary - Answer-when radiation exposure does not benefit a pers...

RADT 1200 chap 10 Test Questions with Correct Answers What supports the premise that "each pt should get the right imaging examination, at the right time, and with the right radiation dose" - Answer-FDA white paper What is a genetic (hereditary) effect - Answer-Mutagenesis (leads to abnormalities in new cells) What is the current method for controlling the risk of biological damage to radiation workers and the general public from radiation exposure - Answer-EfD Is the upper boun...

RADT 1200 Chapter 4 Questions and Answers All Correct The amount of ionizing radiation that may strike an object such as the body when in the vicinity of a radiation source Does not necessarily indicate dose - Answer-Exposure Exposure in air - Answer-Air Kerma- expressed in metric unit of joule per kilogram (J/kg) As the intensity of x-ray exposure in air ________, the number of electro-ion pairs produced _________. - Answer-increases, increases The deposition of energy per unit ma...

radt 1200 final exam questions and answers

2nd to 10th week - Answer-the period of major organogenesis during the _____ week of pregnancy 1 mGyt/yr - Answer-the mean marrow dose from diagnostic xray examinations averaged over the entire population of the US is about Higher kVp, lower mAs, increased filtration - Answer-during a radiographic examination which of the following combinations of technical factors and filtration reduce patient radiation dose PA projection and lead shielding - Answer-breast dose from a scoliosis exam ca...

Radon - Answer-The first decay product of radium is 1. Creation of unstable atoms. 2. production of free electrons. 3. creation of highly reactive free radicles capable of producing substance poisonous to the cell. 4. creation of new biologic molecules detrimental to the living cell. 5. injury to the cell that may manifest itself as abnormal function or loss of function. - Answer-Consequences of ionization in human cells include optimization for radiation protection (ORP) - Answer-The term...