DrMkhaiyo echo for cardio

3. Which of the following is the correct order of the velocity of sound within the medium, from fastest to slowest tissue?
A. Blood, bone, and air
B. Air, bone, and blood
C. Air, blood, and bone
D. Bone, blood, and air
E. Bone, air, and blood

1. Which of the following statements is most accurate?
A. Ultrasound consists of waves of compression and decompression, traveling at a variable speed through a specific medium (such as fat or blood).
B. Ultrasound is considered too high for human hearing (generally >2,000 Hz), and infrasound is too low for human hearing (generally

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