Essentials of Dental Radiography, 10e (Thomson/Johnson)
Chapter 1 Dental Radiography: Historical Perspective and Future Trends
1.1 Multiple Choice Questions
1) Who was awarded the first Nobel Prize for physics in 1901, for his experimental work with
radiation?
A) C. E. Kells
B) O. Walkhoff
C) W. D. Coolidge
D) W. C. Roentgen
Answer: D
Explanation: A) Wilhelm Conrad Roentgen discovered the x-ray on November 8, 1895, when he
noted that a fluorescent screen near a Crookes vacuum tube began to glow when an electric
current was passed through the tube.
B) Wilhelm Conrad Roentgen discovered the x-ray on November 8, 1895, when he noted that a
fluorescent screen near a Crookes vacuum tube began to glow when an electric current was
passed through the tube.
C) Wilhelm Conrad Roentgen discovered the x-ray on November 8, 1895, when he noted that a
fluorescent screen near a Crookes vacuum tube began to glow when an electric current was
passed through the tube.
D) Wilhelm Conrad Roentgen discovered the x-ray on November 8, 1895, when he noted that a
fluorescent screen near a Crookes vacuum tube began to glow when an electric current was
passed through the tube.
2) Who is credited with introducing the bitewing radiograph?
A) F. W. McCormack
B) H. R. Raper
C) G. M. Fitzgerald
D) C. E. Kells
Answer: B
Explanation: A) Howard Riley Raper wrote the first dental radiology textbook, Elementary and
Dental Radiology, and introduced bitewing radiographs in 1925.
B) Howard Riley Raper wrote the first dental radiology textbook, Elementary and Dental
Radiology, and introduced bitewing radiographs in 1925.
C) Howard Riley Raper wrote the first dental radiology textbook, Elementary and Dental
Radiology, and introduced bitewing radiographs in 1925.
D) Howard Riley Raper wrote the first dental radiology textbook, Elementary and Dental
Radiology, and introduced bitewing radiographs in 1925.
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, 3) Who developed the hot cathode ray tube?
A) W. D. Coolidge
B) A. Cieszynski
C) H. R. Raper
D) O. Walkhoff
Answer: A
Explanation: A) William David Coolidge developed the shockproof hot cathode tube while
working for General Electric Company in 1913.
B) William David Coolidge developed the shockproof hot cathode tube while working for
General Electric Company in 1913.
C) William David Coolidge developed the shockproof hot cathode tube while working for
General Electric Company in 1913.
D) William David Coolidge developed the shockproof hot cathode tube while working for
General Electric Company in 1913.
4) Who developed the first digital imaging system?
A) W. D. Coolidge
B) F. Mouyen
C) H. R. Raper
D) O. Walkhoff
Answer: B
Explanation: A) Francis Mouyen developed the first digital imaging system called
RadioVisioGraphy in 1987.
B) Francis Mouyen developed the first digital imaging system called RadioVisioGraphy in 1987.
C) Francis Mouyen developed the first digital imaging system called RadioVisioGraphy in 1987.
D) Francis Mouyen developed the first digital imaging system called RadioVisioGraphy in 1987.
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Copyright © 2018 Pearson Education, Inc.
Chapter 1 Dental Radiography: Historical Perspective and Future Trends
1.1 Multiple Choice Questions
1) Who was awarded the first Nobel Prize for physics in 1901, for his experimental work with
radiation?
A) C. E. Kells
B) O. Walkhoff
C) W. D. Coolidge
D) W. C. Roentgen
Answer: D
Explanation: A) Wilhelm Conrad Roentgen discovered the x-ray on November 8, 1895, when he
noted that a fluorescent screen near a Crookes vacuum tube began to glow when an electric
current was passed through the tube.
B) Wilhelm Conrad Roentgen discovered the x-ray on November 8, 1895, when he noted that a
fluorescent screen near a Crookes vacuum tube began to glow when an electric current was
passed through the tube.
C) Wilhelm Conrad Roentgen discovered the x-ray on November 8, 1895, when he noted that a
fluorescent screen near a Crookes vacuum tube began to glow when an electric current was
passed through the tube.
D) Wilhelm Conrad Roentgen discovered the x-ray on November 8, 1895, when he noted that a
fluorescent screen near a Crookes vacuum tube began to glow when an electric current was
passed through the tube.
2) Who is credited with introducing the bitewing radiograph?
A) F. W. McCormack
B) H. R. Raper
C) G. M. Fitzgerald
D) C. E. Kells
Answer: B
Explanation: A) Howard Riley Raper wrote the first dental radiology textbook, Elementary and
Dental Radiology, and introduced bitewing radiographs in 1925.
B) Howard Riley Raper wrote the first dental radiology textbook, Elementary and Dental
Radiology, and introduced bitewing radiographs in 1925.
C) Howard Riley Raper wrote the first dental radiology textbook, Elementary and Dental
Radiology, and introduced bitewing radiographs in 1925.
D) Howard Riley Raper wrote the first dental radiology textbook, Elementary and Dental
Radiology, and introduced bitewing radiographs in 1925.
1
Copyright © 2018 Pearson Education, Inc.
, 3) Who developed the hot cathode ray tube?
A) W. D. Coolidge
B) A. Cieszynski
C) H. R. Raper
D) O. Walkhoff
Answer: A
Explanation: A) William David Coolidge developed the shockproof hot cathode tube while
working for General Electric Company in 1913.
B) William David Coolidge developed the shockproof hot cathode tube while working for
General Electric Company in 1913.
C) William David Coolidge developed the shockproof hot cathode tube while working for
General Electric Company in 1913.
D) William David Coolidge developed the shockproof hot cathode tube while working for
General Electric Company in 1913.
4) Who developed the first digital imaging system?
A) W. D. Coolidge
B) F. Mouyen
C) H. R. Raper
D) O. Walkhoff
Answer: B
Explanation: A) Francis Mouyen developed the first digital imaging system called
RadioVisioGraphy in 1987.
B) Francis Mouyen developed the first digital imaging system called RadioVisioGraphy in 1987.
C) Francis Mouyen developed the first digital imaging system called RadioVisioGraphy in 1987.
D) Francis Mouyen developed the first digital imaging system called RadioVisioGraphy in 1987.
2
Copyright © 2018 Pearson Education, Inc.
