Deck 1: Radiation History

Question 1

Your patient asked you why dental images are important.Which of the following is the correct response?

A)An oral examination with dental images limits the practitioner to what is seen clinically.
B)All dental diseases and conditions produce clinical signs and symptoms.
C)Dental images are not a necessary component of comprehensive patient care.
D)Many dental diseases are typically discovered only through the use of dental images.

Answer 1

Many dental diseases are typically discovered only through the use of dental images.

Question 2

The x-ray was discovered by

A)Heinrich Geissler
B)Wilhelm Roentgen
C)Johann Hittorf
D)William Crookes

Answer 2

Wilhelm Roentgen

Question 3

Current fast radiographic film requires ____ % less exposure time than the initial exposure times used in 1920.

A)33
B)98
C)73
D)2

Answer 3

2

Question 4

Which of the following is an advantage of digital imaging?

A)Increased patient radiation exposure
B)Increased patient comfort
C)Increased speed for viewing images
D)Increased chemical usage

Question 5

A radiograph is defined as

A)a beam of energy that has the power to penetrate substances and record image shadows on a receptor.
B)a picture on film produced by the passage of x-rays through an object or body.
C)the art and science of making radiographs by the exposure of an image receptor to x-rays.
D)a form of energy carried by waves or a stream of particles.

Question 6

Who exposed the first dental radiograph in the United States using a live person?

A)Otto Walkoff
B)Wilhelm Roentgen
C)Edmund Kells
D)Weston Price

Question 7

Radiation is defined as

A)a form of energy carried by waves or streams of particles.
B)a beam of energy that has the power to penetrate substances and record image shadows on a receptor.
C)a high-energy radiation produced by the collision of a beam of electrons with a metal target in an x-ray tube.
D)a branch of medicine that deals with the use of x-rays.

Question 8

Which of the following would you place in the patient's mouth in order to take dental x-rays?

A)Image
B)Image receptor
C)Radiograph
D)Dental radiograph

Question 9

Which discovery was the precursor to the discovery of x-rays?

A)Beta particles
B)Alpha particles
C)Cathode rays
D)Radioactive materials

Question 10

Who modified the paralleling technique with the introduction of the long-cone technique?

A)C.Edmund Kells
B)Franklin W.McCormack
C)F.Gordon Fitzgerald
D)Howard Riley Raper