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RT100- midterms > PART 3 - HISTORY > Flashcards

PART 3 - HISTORY Flashcards

1
Q

Who invented the Crookes tube?

A

Sir William Crookes

An Englishman from a humble background who was a self-taught genius.

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2
Q

What are cathode rays also known as?

A

Electrons

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3
Q

What significant discovery did Wilhelm Roentgen make while using a Crookes tube?

A

X-rays

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4
Q

On what date did Roentgen discover X-rays?

A

November 8, 1895

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5
Q

What material was used to coat the plate that glowed during Roentgen’s experiment?

A

Barium platinocyanide

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6
Q

What is fluorescence?

A

The emission of visible light only during stimulation

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7
Q

What does the ‘X’ in X-rays stand for?

A

Unknown

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8
Q

What was the first medical X-ray image produced by Roentgen?

A

An image of his wife’s hand

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9
Q

What are the three general types of X-ray examinations?

A
  • Radiography
  • Fluoroscopy
  • Computed Tomography
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10
Q

What is the purpose of radiography?

A

Uses film or a solid-state image receptor to provide fixed images

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11
Q

How does fluoroscopy differ from radiography?

A

Provides moving images on a television monitor or flat panel display

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12
Q

What is the function of computed tomography?

A

Uses a rotating x-ray source and detector array

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13
Q

Who demonstrated the use of a radiographic intensifying screen?

A

Michael Pupin in 1896

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14
Q

What did Thomas A. Edison develop in 1896?

A

Fluoroscope

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15
Q

What was the original fluorescent material used in early X-ray technology?

A

Barium Platinocyanide

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16
Q

Who was the first X-ray fatality in the United States?

A

Clarence Dally

17
Q

What did William Rollins demonstrate?

A

The first application of collimation and filtration

18
Q

What innovation did H.C. Snook introduce in 1907?

A

Interrupterless transformer

19
Q

Who introduced the Coolidge X-ray tube?

A

William D. Coolidge in 1913

20
Q

What did Gustav Bucky invent in 1913?

A

The stationary grid

21
Q

What is the Potter-Bucky grid?

A

A moving grid introduced in 1921

22
Q

What does ALARA stand for?

A

As Low As Reasonably Achievable

23
Q

Fill in the blank: The use of a fluorescent intensifying screen helped reduce exposure times from __________.

A

30 minutes or longer

RT100- midterms (3 decks)

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