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18 Questions

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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?

It reduces the thermal stress on the equipment Signup and view all the answers

What is the purpose of understanding conventional radiography?

To reduce the risks from exposure to ionizing radiation Signup and view all the answers

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

To define the beam size and shape Signup and view all the answers

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

Passing through the body Signup and view all the answers

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

Deterministic effects Signup and view all the answers

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

It reduces scattered radiation and improves image contrast Signup and view all the answers

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

It reduces scattered radiation and improves image contrast Signup and view all the answers

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

To produce X-ray photons Signup and view all the answers

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

The acquisition parameters used 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?

Tube current (mAs) Signup and view all the answers

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

It increases the number of X-ray photons produced Signup and view all the answers

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

15 keV to 50 keV Signup and view all the answers

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

To reduce the patient dose Signup and view all the answers

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

It decreases the X-ray beam intensity Signup and view all the answers

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

To control the number of X-ray photons produced Signup and view all the answers