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LMRT STATE EXAM 2024 ACTUAL EXAM 200+ QUESTIONS AND CORRECT DETAILED ANSWERS AGRADE
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LMRT STATE EXAM 2024 ACTUAL EXAM 200+ QUESTIONS AND CORRECT DETAILED ANSWERS AGRADE
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Page 1 of 27 1 LMRT STATE EXAM 2024 ACTUAL EXAM 200 + QUESTIONS AND CORRECT DETAILED ANSWERS AGRADE According to the Bergonie -Tribondeau law, w hich of the following types of cells are most radiosensitive? a. brain cells b. embryonic tissue cells c. cells of the gastric mucosa d. skin cells - ANSWER✅✅ b. embryonic tissue cells Which type of x -ray photon interaction with the body is primarily respo nsible for the radiation dose absorbed by the patient? a. compton b. photoelectric c. coherent d. characteristic - ANSWER✅✅ photoelectric What is the NCRP (report #102) recommendation for lead equivalency of aprons used for personnel protection? Page 2 of 27 2 a. 0.05 mm b. 0.25 mm c. 0.5 mm d. 1.0 mm - ANSWER✅✅ 0.5 mm What is erythema as it relates to radiation exposure? a. loss of hair caused by high ra diation dose b. loss of hair caused by a long term low radiation dose c. reddening of the skin caused by a high radiation dose d. reddening of the skin caused by a long term low radiation dose - ANSWER✅✅ reddening of the skin caused by a high radiation dose What is the guiding philosophy of radiation protection? a. ALARMA - as long as radiographs are made accesible b. ALARA - as low as reasonably achievable c. ALAIS - as long as ionization are small d. ALAP - as low as possible - ANSWER✅✅ ALARA - as low as reason ably achievable which of the following statements reflects current scientific opinion regarding the effects of diagnostic levels of ionization radiation? Page 3 of 27 3 a. it is carcinogenic after a certain number of examinations have been performed b. spontaneous abort ion will occur if the patient is pregnant c. depression of the white blood cells count is followed by acute gastrointestinal distress d. there is an increased risk of cancer, leukemia, birth defects, and cataracts - ANSWER✅✅ there is an increased risk of ca ncer, leukemia, birth defects, and cataracts Which of the following changes will decrease patient dose? 1. using faster speed class imaging system 2. increasing kVp using the 15% rule, while decreasing the mAs to compensate 3. increasing grid ratio to 16:1 ratio - ANSWER✅✅ 1 and 2 only When radiation exposure occurs during pregnancy, the greatest risk of birth defects occurs when the exposure: 1. exce eds 5 rad to the uterus 2. occurs within the first trimester of pregnancy 3. occurs within the third trimester of pregnancy - ANSWER✅✅ 1 and 2 only At what kVp levels do compton interactions occur? a. they do not occur with x -ray exposure b. they occur be low the diagnostic radiology kVp range c. they occur above diagnostic radiology kVp rangeThe benefits of buying summaries with Stuvia:
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