Radiography Equipment and Techniques

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Questions and Answers

What is the primary function of a detector in conventional radiography?

  • To modify the chemical bonds within the cells of the human body
  • To visualize the internal structures of a patient
  • To capture the internal structures of a patient's body (correct)
  • To produce X-ray photons

What is the type of radiation produced by an X-ray tube?

  • Electromagnetic radiation (correct)
  • Non-ionizing radiation
  • Nuclear radiation
  • Thermal radiation

What is the main concern associated with exposure to ionizing radiation?

  • Magnetic field interactions
  • Chemical reactions in the body
  • Thermal heating of the body
  • Biological risks and effects (correct)

What is the primary advantage of using a rotating anode in X-ray machines?

<p>It reduces the thermal stress on the equipment (D)</p> Signup and view all the answers

What is the purpose of understanding conventional radiography?

<p>To reduce the risks from exposure to ionizing radiation (A)</p> Signup and view all the answers

What is the primary purpose of collimation and centring the beam in X-ray production?

<p>To define the beam size and shape (A)</p> Signup and view all the answers

What is the process by which X-ray photons interact with the body?

<p>Passing through the body (B)</p> Signup and view all the answers

What is the term for the effects of ionizing radiation on the human body?

<p>Deterministic effects (C)</p> Signup and view all the answers

What is the primary benefit of using a grid in X-ray imaging?

<p>It reduces scattered radiation and improves image contrast (B)</p> Signup and view all the answers

What is the primary advantage of using the air gap technique in X-ray imaging?

<p>It reduces scattered radiation and improves image contrast (B)</p> Signup and view all the answers

What is the primary function of the anode in X-ray production?

<p>To produce X-ray photons (B)</p> Signup and view all the answers

What is the primary factor that determines the quality of a diagnostic X-ray image?

<p>The acquisition parameters used (D)</p> Signup and view all the answers

What is the primary factor that controls the amount of radiation dose that reaches the patient and the image receptor?

<p>Tube current (mAs) (B)</p> Signup and view all the answers

What is the effect of increasing the tube current (mAs) on X-ray photon production?

<p>It increases the number of X-ray photons produced (C)</p> Signup and view all the answers

What is the range of X-ray energy produced by a 50 kVp X-ray machine?

<p>15 keV to 50 keV (A)</p> Signup and view all the answers

What is the purpose of the air gap technique in radiography?

<p>To reduce the patient dose (C)</p> Signup and view all the answers

What is the effect of increasing the source to image receptor distance on the X-ray beam?

<p>It decreases the X-ray beam intensity (D)</p> Signup and view all the answers

What is the primary function of the tube current (mAs) in an X-ray machine?

<p>To control the number of X-ray photons produced (C)</p> Signup and view all the answers

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