100% 2026
Ultrasound is _____ oldest imaging modality - Correct Answers third
Jacque and Pierre Curie (1880) - Correct Answers piezoelectric effect- allowed the construction
of transducers to generate and receive sound waves in water
paul langevin (1915) - Correct Answers invented sonar type device that used echolocation to
detect submarines
ludwig (1940s) - Correct Answers detected gallstones
WW2 - Correct Answers Research began on medical applications for sonar after what world
event?
Dr. wild - Correct Answers First to use ultrasound to detect tissue thickness
Dr wild and John Reid - Correct Answers Constructed an early prototype breast scanner
B-mode (brightness modulation used 2D
Edler and Hertz (1953) - Correct Answers Explored the use of ultrasound in the heart using a
technique that added a continuous moving display of the returning echoes (M-mode) to
evaluate the motion of the heart valves
Ian Donald - Correct Answers -Credited with discovering the first diagnostic applications of
ultrasound
-Refined techniques for obstetric procedures
-Discovered importance of a full bladder to visualize pelvic structures