CRAIG'S ESSENTIALS OF SONOGRAPHY AND PATIENT CARE
4TH EDITION
CHAPTER NO 01: THE HISTORY OF DIAGNOSTIC MEDICAL SONOGRAPHY
AND SONOGRAPHERS
MULTIPLE CHOICE QUESTION & ANSWERS
1. Diagnostic ultrasound uses frequencies between:
a. 2.0 and 15.0 MHz.
b. 1.0 and 15.0 MHz.
c. 2.0 and 20.0 MHz.
d. 1.0 and 20.0 MHz.
ANS: D
2. Sound exceeds human hearing when the cycles per second exceeds:
a. 10,000 Hz.
b. 15,000 Hz.
c. 20,000 Hz.
d. 25,000 Hz.
ANS: C
3. Humans can hear frequencies as low as:
a. 10 cycles per second.
b. 15 cycles per second.
c. 20 cycles per second.
d. 50 cycles per second.
ANS: C
, 4. Sonography is the _______ oldest imaging modality.
a. second
b. third
c. fourth
d. fifth
ANS: B
5. Which physician devoted his career to the study and development of noninvasive
measurement of the peripheral vascular system?
a. John Reid
b. Don Baker
c. Rokuru Uchida
d. Eugene Strandness
ANS: D
6. Which physician developed the first application of ultrasound for medical purposes?
a. Don Baker
b. George Ludwig
c. John Reid
d. James Willocks
ANS: B
7. Who discovered the importance of a full urinary bladder to visualize pelvic struc-
tures?
a. John Wild
,b. Ian Donald
c. Inge Elder
d. Carl Hellmuth Hertz
ANS: B
8. Who explored the use of ultrasound in the heart using continuous wave and
M-mode?
a. George Kossoff
b. William Wright
c. Inge Edler
d. Ian Donald
ANS: C
9. The phenomenon of piezoelectricity was discovered by:
a. the Curie brothers.
b. John Reid.
c. Ian Donald.
d. Wilhelm Roentgen.
ANS: A
10. Color flow imaging started to take off in the United States in:
a. 1980.
b. 1984.
c. 1987.
d. 1991.
, ANS: C
11. Early sonographers were called:
a. radiographers.
b. ultrasound technicians.
c. ultrasound technologists.
d. ultrasound technical specialists.
ANS: D
12. Who discovered X-ray?
a. John Reid
b. Martin Wilcox
c. George Ludwig
d. Wilhelm Roentgen
ANS: D
13. Which country led the development of color Doppler?
a. Germany
b. Japan
c. Holland
d. United States
ANS: B