PAT Chapter 3

The study of sound and the history of acoustics is known as what?

• Phonetics

• Acoustics

• Sonography

• Audiology

Who made significant contributions to the study of sound?

• Isaac Newton

• Albert Einstein

• Alexander Graham Bell

• Marie Curie

What is the primary use of ultrasound in medicine?

• To diagnose and monitor medical conditions

• To treat cancer with radiation

• To perform surgical procedures

• To measure blood pressure

Which of the following is a specialty within the sonography profession?

• Cardiac sonography

• Radiology

• Oncology

• Pediatrics

What did Robert Boyle recognize about sound propagation?

• Sound requires a medium to propagate.

• Sound can travel through a vacuum.

• Sound travels faster in air than in water.

• Sound waves are electromagnetic waves.

How does Christian Johann Doppler's discovery relate to the pitch of a sound wave?

• It explains why the pitch of a sound wave changes when the source is moving relative to the observer.

• It describes how sound waves travel through different mediums.

• It provides a method to measure the speed of sound in air.

• It explains the relationship between sound wave frequency and amplitude.

What does the transmitted Doppler sound beam (Ft) encounter within the blood vessel?

• White blood cells

• Red blood cells

• Platelets

• Plasma

What did the Currie brothers recognize?

• The piezoelectric effect

• The electromagnetic effect

• The gravitational effect

• The thermal effect

During World War I, what was ultrasound used to detect?

• Submarines

• Airplanes

• Tanks

• Missiles

Who used ultrasound to develop the reflectoscope?

• Karl Dussik

• Floyd Firestone

• Thomas Edison

• Nikola Tesla