What produces x rays - 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...

Chapter 9 Intro to Radiologic & Imaging Sciences & Patient Care _____________ _____________ is energy capable of penetrating matter and possesses sufficient energy to eject orbital electrons along its path - ionizing radiation The two basic sources of ionizing radiation exposure are ______________ radiation and ____________________ radiation sources. - natural and human-made The _____________ must outweigh the risks of any diagnostic study using ionizing radiation. - benefits Human-m...

CHAPTER 3 NEUROSCIENCE CHAPTER LEARNING OBJECTIVES 1. Understand the key methods that scientists use to learn about brain anatomy and functioning. • Neuroscientists examine autopsy tissue and patients with localized brain damage to learn about brain anatomy and brain function. • EEGs and neuroimaging, such as PET scans and fMRI, allow scientists to study brain function in the living brain. 2. Describe the two major types of cells in the nervous system and describe the prima...

5/3/19 ATI FUNDAMENTALS EXAM 1. CHAPTER 1: HEALTH CARE DELIVERY SYSTEMS A. Components of Health care systems a. Participants 1. Consumers- clients 2. Providers a. Licensed providers: registered nurses, license practical (or vocational) nurses (LPN), advanced practice nurses (APN), medical doctors, pharmacists, dentists, dietitians, physical/respiratory/occupational therapists, etc b. Unlicensed providers: assistive personal b. Settings 1. Hospitals, homes, skilled nursing, assisted living, schoo...

Astronomy Midterm 3 Exam - Questions and Answers (Complete Solutions) If you have a 100-watt light bulb, how much energy does it use each minute? A) 6,000 joules B) 6,000 watts C) 600 joules D) 600 watts E) 100 joules If a material is highly opaque, then it A) reflects most light. B) absorbs most light. C) transmits most light. D) scatters most light. E) emits most light. When light reflects off an object, what is the relation between the angle of incidence and the angle of reflection? A) angl...

CT technologists must understand both the ___________ & ___________ of examinations and take steps to maximize the ________ & minimize the ____________. - correct answer risks & benefits positive, negative What are the two components regarding radiation dose to the patient? - correct answer 1) appropriate patient selection 2)minumizing the dose to the pt w/ out compromising the diagnostic image quality CT scans provide one of the ____________ radiation doses in diagnostic radiology. ...

1. Proteins necessary for body's mainte- nance, growth, and repair (GS) 2. Carbohydrates and Fats used primarily for energy (GS) 3. 212 Water boils at degrees fahrenheit (GS) 4. 100 Water boils at degrees Cel- sius (GS) 5. 373 Water boils at Ks on the Kelvin scale (GS) 6. Veins carry blood from capillaries toward the heart. (GS) 7. Arteries carry blood away from the heart. (GS) 8. Ventricles lower chamber of the heart (GS) 9. Red Blood Cells component of blood which car- ri...

Attenuation: a. is radiation that emerges from the patient b. describes changes in the x-ray beam as it travels through the patient c. produces only scatter radiation d. occurs only at doses used in radiation therapy - Describes changes in the x-ray beam as it travels through the patient Which photon-tissue interaction makes radiography possible because of its creation of image contrast? a. Compton b. Coherent c. Photoelectric d. Pair production - Photoelectric Which photon-tis...

Varcarolis‘ Foundations of Psychiatric Mental Health Nursing: A Clinical Approach, 8th Edition Halter: Varcarolis’ Foundations of Psychiatric Mental Health Nursing: A Clinical Approach, 8th Edition A+ Varcarolis‘ Foundations of Psychiatric Mental Health Nursing: A Clinical Approach, 8th Edition UNIT I: FOUNDATIONS IN THEORY 1. Mental Health and Mental Illness 2. Theories and Therapies 3. Psychobiology and Psychopharmacology UNIT II: FOUNDATIONS FOR PRACTICE 4. Treatment Settings 5. Cultura...

Dental Assisting Radiology MN Licensure Questions and Answers 100% Pass This is a device used to reduce the amount of scatter radiation that reaches an extraoral film during exposure. grid Identify the error that causes teeth to appear foreshortened on a radiograph. excessive vertical angle Identify the benefit of using a long-cone (16 inch) position-indicating device, versus a short-cone (8inch) position indicating device. less magnification What is the angulation of the ce...