In each blank, try to type in the
word that is missing. If you've
typed in the correct word, the
blank will turn green.
If your not sure what answer should be entered, press the space bar and the next missing letter will be displayed. When you are all done, you should look back over all your answers and review the ones in red. These ones in red are the ones which you needed help on. Question: Dose limit for pregnant :Answer: 0.5 mSv/mo Question: Define major .Answer: 2nd week to 10th week of . Question: General population dose (INFREQUENT) is:Answer: 5 mSv/yr Question: population dose limit (FREQUENT) is:Answer: 1 MsV/yr Question: Nonoccupationally Answer: 1/10 for that of radiation Question: Education and exposure:Answer: 1 Question: cells are most radiosensitive?Answer: Lymphocytes, spermatogonia, Question: Which cells are radiosensitive?Answer: Osteoblasts, , fibroblasts Question: Which cells have low ?Answer: and nerve cells Question: What is the dose limit for exposure (effective dose)Answer: 50 mSv/yr Question: What is the dose limit?Answer: 5 mSv for the entire Question: Leakage radiation must be less than ___ at a of __ from the protective housing.Answer: 100 mR/hr, 1 Question: The SID indicator must be accurate to within __% of the SIDAnswer: Question: The x-ray beam and light beam must to within __% of the SIDAnswer: 2 Question: The PBL must be accurate to within ___% of the Answer: Question: The variation in x-ray should not exceed ___%Answer: Question: The source-to-skin distance must be not less than __ on stationary fluoroscopes and not less than __ on mobile .Answer: 38, Question: All diagnostic x-ray beams must have a total filtration of at least ____ when operated above 70 kVpAnswer: 2.5mm Question: Radiographic tubes operated between 50 and 70 kVp must have at ___ of filtration.Answer: 1.5mm Question: Radiographic tubes operated below 50 kVp must at a of ___ total filtration.Answer: 0.5mm Al Question: The image intensifier serves as a primary protective barrier and must be ___ equivalent.Answer: 2mm Question: The total of the fluoroscopic x-ray beam must be at least ___ equivalent.Answer: 2.5mm Question: The bucky slot cover for fluoroscopic units be at least ___ equivalent.Answer: 0.25mm Question: The protective curtain or panel of a unit must be at least ___ equivalent.Answer: 0.25mm Question: 1/16 of lead is to ___ inches of masonry.Answer: Question: An area occupied primarily by radiology personnel and patients is called a _________ ____.Answer: controlled Question: An __________ ______ can be occupied by anyone.Answer: Uncontrolled Question: The level of radiation activity in a room is known as _______.Answer: Question: The percentage of time during which the x-ray beam is on and directed toward a particular wall is called _____ ______.Answer: use Question: The instrument of choice for measuring radiation intensity in areas around a fluoroscope is called the _________ ________.Answer: ion Question: Design limits for a controlled area are based on the annual recommended dose limit of ____________.Answer: 50 mSv/yr Question: _______________ is the emission of light by a thermally stimulated crystal following irradiation.Answer: TLD (thermoluminescence ) Question: __________ __________ is the most widely used TLD material.Answer: Lithium Question: True or : The TLD can only be used once.Answer: False Question: Entrance skin exposure is most often referred to as ____________ ___________.Answer: dose Question: A reduction in either noise or slice thickness, while other factors remain constant, _________ patient dose.Answer: Question: TLDs can be worn for intervals up to _______Answer: One Question: TLDs are available as ________, ________, _____ and ________.Answer: , disks, rods, powder Question: _________ speed rather than _________ speed controls patient dose.Answer: , film |
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