Radt 1200 - Study guides, Class notes & Summaries

RADT 1200 Final Exam Questions and Answers All Correct What is the end result of photointegration? - Answer-one nuclear fragment What is the law od Bergonie & Tribondeau? - Answer-states that cells are most radiosensitive when they are: Stem Young High metabolic activity High proliferation rate What are physical factors affecting radiosensitivity? - Answer-LET- Linear energy transfer RBE- Relative biologic effectiveness What is LET? - Answer-a measure of the rate at which ioniz...

RADT 1200 Chapter 6-7 Exam Questions and Answers All Correct Interphase consists of which of the following phases? a. M, G1, and S b. G1, S, and G2 c. S, G2 and M d. G2, M and G1 - Answer-b. G1, S, and G2 Carbohydrates also may be referred to as: a. lipids b. nucleic acid c. hormones d. saccharides - Answer-d. saccharides DNA regulates cellular activity indirectly by reproducing itself in the form of _______________ to carry genetic information from the cell nucleus to ribos...

RADT 1200 Final Test Questions and Answers All Correct The hematopoietic form of acute radiation syndrome is also called the - Answer-bone marrow syndrome Which of the following groups of cells is least radiosensitive? - Answer-Adult nerve cells Which of the following humans is most radiosensitive? - Answer-An embryo-fetus during the first trimester of pregnancy During cardiovascular or other therapeutic interventional procedures that use high-level fluoroscopy for extended periods, t...

RADT 1200 CH33 TEST QUESTIONS WITH ALL CORRECT ANSWERS The dose of x rays necessary to produce an erythema in ½ of those exposed is about: A. 1 Gy B. 2 Gy C. 5 Gy D. Over 8 Gy - Answer-C. 5Gy Which of the following is NOT an example of a manifest illness stage? A. Hematologic syndrome B. Gastrointestinal syndrome C. Latent injury syndrome D. Central nervous system syndrome - Answer-C. Latent injury syndrome Three to five days after receiving a dose of 10 Gy manifest illness s...

radt 1200 final exam questions and answers

RADT 1200 Test 1 Questions with Correct Answers Patient dose for each exam varies because? - Answer--different equipment -differences in procedure -technical skills Amount of radiation received by patient may be expressed by? - Answer-1. Entrance Skin Exposure (ESE) 2. Bone Marrow dose 3. Gonadal dose And sometimes 4. Fetal dose (only in women) T or F- humans (can) control the amount of natural background radiation - Answer-false; cannot T or F- the number of medical procedures...

RADT 1200 Chapter 2 Test Questions and Answers All Correct What are the two largest sources of artificial radiation - Answer--radiography and fluoroscopy -computed tomography procedures Exposure to human made radiation in medical applications continue to ________ - Answer-increase rapidly Patient dose for each exam varies according to ______ - Answer-the facility providing imaging services The amount of radiation received by a patient from diagnostic x ray procedures may be indica...

RADT 1200 CH 1-4 Exam Questions and Answers All Correct Which member of the medical team is charged by hospital administration to be directly responsible for the execution, enforcement, and maintenance of the ALARA program? - Answer-The radiation safety officer (RSO) What do the letters BERT stand for? - Answer-Background Equivalent Radiation Time The BERT method compares the amount of radiation recieved during an exam with - Answer-The amount of radiation received when patient is on the...

RADT 1200 Test Review Questions and Revised Answers All Correct The 1980 BEIR report revealed that the majority of stochastic effects and genetic effects at low dose levels from low-LET radiation appear to follow what type of curve? - Answer-linear quadratic non-threshold dose response curve The 1990 BEIR report suggested that radiation exposure and associated risk be represented by which curve? - Answer-linear nonthreshold The _____________ curve implies that the biological response t...

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