How do electromagnetic waves propagate?
A. By applying an electric field
By applying a magnetic field
C. Through front and back vibration
D. Through self-oscillation
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4. The energy electrons lose when colliding with electrons in the anode are released as heat, and
A. a) Electricity.
B. b) More electrons.
C. c) X-rays.
3. How long does an X-ray exposure generally take?
A. a) Less than a second.
B. b) A couple of seconds.
C. c) A few minutes.
Fluorescence is:
A. a) A bright light caused by an electric discharge
B. b) Electromagnetic (EM) radiation, emitted at a lower frequency than the incident radiation.
C. c) Light that is emitted by chemical reactions in the tissue.
1. In the horizontal X-ray system, where is the detector system/cassette?
A. a) Above the patient.
B. b) Underneath the patient
C. c) At the sides, perpendicular to the patient.
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