Realgrades

What is the definition of ionization? - correct answer The removal of an orbital electron from an atom as radiation passes through What is the definition of energy? - correct answer The ability to do work What are the 7 forms of energy? - correct answer potential, kinetic, chemical, electrical, thermal, nuclear, electromagnetic Which of the 7 forms...

Exposure - correct answer capacity of x rays to ionize the air RAD - correct answer absorbed dose: energy of ionizing radiation per mass REM - correct answer Roentgen equivalent to man, Equivalent Dose: biological affects on a tissue or organ Sievert - correct answer Effective Dose: estimated risk to h...

What are the imaging modalities that use ionizing radiation? - correct answer 1. Radiographs (x-rays, conventional films, plain films) 2. Computed tomography (CT) 3. Nuclear medicine (NM) What are the imaging modalities that do not use ionizing radiation? - correct answer 1. Magnetic resonance imaging (uses magnet and radio waves) 2. ultrasound (uses sound waves) The birth of radiology start...

matter - correct answer Anything that has mass and takes up space Density, and what controls it- MA's or KV's - correct answer The overall darkness or blackness of an image (MAS) Contrast - correct answer Differences in degrees of blackness on an image (KVS) Somatic effect - correct answer not passed...

Abduction - correct answer Movement of a limb away from the body Adduction - correct answer Movement of a limb toward the axis of the body Arthrography - correct answer A method of radiographically visualizing the inside of a joint by injecting air or contrast medium Brachytherapy - correct answer The ...

The thickness of the lead shield is: a. 0.75 mm b. 0.25 mm c. 2.75 inches d. 1.5 mm - correct answer B The solution most temperature sensitive in the processing solution is: a. Sodium sulfite b. Sodium carbonate c. Elon hydroquinone d. None of the above - correct answer C Alveolar bone crest resorption is best detected in the: a. Panorex b. Occlusal film c. Perioapical film d. Bite-win...

this modality is unique because it can demonstrate physiologic actions as well as anatomic structures - correct answer nuclear medicine the 1st ever and most well known radiography is an image of what body part - correct answer hand the resulting image from using x rays, can be digital or film - correct answer radiograph person who is qualified to ...

Which of the following statements regarding all electromagnetic radiations of the electromagentic spectrum is incorrect? A:They are arranged according to their wavelength and frequency B:They have no mass C:They have no electrical charges D:They travel at various speeds - correct answer D X-rays were discovered in the year: A:1985 B:1895 C:1865 D:1898 - correct answer B The process by whic...

With which of these radiological examinations it is possible to detect blood flow velocity in arteries and veins? a. MRI b. CT angio c. US duplex d. Fluoroscopy - correct answer c. US duplex MRI advantage over CT scan is: a. Better resolution of bone structures b. Better resolution of soft tissue structures c. Shorter investigation time - correct answer b. Better resolution of soft tissue str...

The shorter the wavelength the stronger or weaker the energy ? - correct answer stronger What do xrays produce ? - correct answer ionization What is the ejection of an electron from an atom and produces a charged ion pair or free radical ? - correct answer Ionization What type of electricity move negative electrons along a wire to positive charged ...