A Doppler Effect Occurs When a Source of Sound Moves

question 25

Multiple Choice

A Doppler effect occurs when a source of sound moves

• A)toward you.
• B)away from you.
• C)either of these
• D)none of the above

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Definitions:

Intercostal Space

The anatomical area between two ribs, which contains muscles, nerves, and blood vessels.

Sternum

A bone that forms the front and middle portion of the rib cage; also called the breastbone or breast plate.

AV Node

The atrioventricular node, a part of the heart's electrical system that acts as a gatekeeper, slowing the electrical current before it passes from the atria to the ventricles.

SA Node

The sinoatrial node, also known as the heart's natural pacemaker, is a cluster of cells situated in the right atrium of the heart that regulates the heart's rhythm by generating electrical impulses.