Dr. Mecham History of Oral Radiology

Who is credited with discovering X-rays?

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What device was Wilhelm Röntgen using when he discovered X-rays?

• Crookes Tube

• Light Bulb

• Galvanometer

• Gold Foil Experiment

What did Wilhelm Röntgen's first radiograph depict?

• His own hand

• A landscape painting

• His wife Bertha's hand with a ring

• A blueprint

How long was Friedrich Otto Walkhoff's initial exposure for the first dental X-ray?

• 5 minutes

• 10 minutes

• 15 minutes

• 25 minutes

What was the tragic consequence of Charles Edmund Kells' extensive work with X-rays?

• He lost his eyesight

• He suffered severe radiation burns leading to amputations

• He developed a rare blood disorder

• He became paralyzed

When was x-ray radiation discovered?

• October 26, 1985

• November 8, 1895

• January 6, 1896

• November 11, 1896

A cathode ray is made up of what type of particles?

• Cathodes

• Anodes

• Electrons

• Photons