reviewing for final in first semester of Casey's class uafs
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| What did William Conrad Roentgen Die from? | Colon Cancer
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| What honors did Roentgen 's discovery earn him? | 1901 Nobel prize in Physics
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| What is Evangelista Torricelli given credit for? | Borometer
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| special protection should be taken to prevent excessive exposure to ? | Ionizing radiation
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| This is a form of non-ionizing radiation? | sonography
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| An individual who specializes in using x rays to create images of the body is known as a ? | Radiographer
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| a discipline that visualizes sectional anatomy by the recording of a predetermined plane in the body is ? | Computed tomography
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| An individual who specializes in carrying out treatments designed to correct or improve the function of a particular body part or system is known as a ? | Therapist
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| What are the two categories of sources of radiation? | 1. Man-made 2. Natural/Background
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| What are three examples of man made radiation? | 1. Nuclear energy 2. medical or dental x-rays 3. consumer products
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| _____ has carbon in it. | Any organic material
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| ages considered child bearing years | 12-60
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| who should you shield? | The patient yourself anyone in room
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| any x-ray emitted from window | Primary beam
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| What are the three principle of alara | 1. time 2. distance 3. shielding
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| how far away can an x ray travel? | less than 6 feet
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| tube leakage should not exceed _____ MR/hour at a distance of 1 meter from the source? | 100
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| The worse place to be to absorb scatter radiation is? | Right next to the patient
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| NCRP says that lead aprons must be at least a minimum of ________ of lead equivalency. | .5 milameters of lead equivalency.
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| Gloves and drapes and bucky slot cover need to be a minimum of ________. | .25 mm Pb
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| A thyroid shield needs to be a minimum of ____. | .5 mm PB
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| Anywhere primary beam points you have to have ________ barriers. | Primary barriers
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| Primary barriers have to be _______ inches of Pb. | 1/16 inches and 7 feet tall
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| Secondary barriers protects against scatter and leakage and has to be a minimum of ______Inches of Pb. | 1/32 inches
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| The two types of barriers are _______ and _______. | Primary and secondary
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| This is used to measure the exposure in air. | Roentgen
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| 1 rad does not equal one _______. | gray
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| 100 rad = _______. | 1 gray
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| 1000 rem = _________. | 1 seivert
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| REM Radiation Equivalent Man | What the techs exposure is measured in.
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| The quality factor of x ray | 1
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| Curie | measure radioactivity
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| Radiation absorbed dose. Who is absorbing it? | The patient
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| Rem = Rad times______________. | Quality factor
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| What are three types of monitoring devises? | 1. Film badge 2. OSL 3. TLD
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| pocket dosimeter | looks like pocket light provides an instant reading (are very inaccurate)
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| Film badge | the only permanent record.
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| OSL | optical laser uses aluminum oxide
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| TLD | Thermo luminescence dosimetry uses heat to return crystal to natural state
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| 1 curie = 1 _____________. | Becquerel
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| Annual dose limit for occupational worker | 50 msv or 5 rem
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| Cumulative lifetime dose | 1 rem x age or 10 msv x age
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| eyelids | 150 msv or 15 rem
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| Skin hands feet | 500 msv or 50 rem
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| Public annual dose | 1 msv or .1 rem
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| publics monthly dose | .5 msv
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| Natural /background radiation can be occur spontaniously and can be affected by __________________. | human activity
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| constitutes the greatest exposures of human made radiation | Medical and dental x rays
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| three things must be present for x ray production | 1. source of electrons 2. force to move them rapidly 3. something to stop this movement rapidly.
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| The negative terminal | Cathode
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| The positive terminal | Anode
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