A Speaker Is Trying to Give Her Presentation, but a Loud

question 27

Multiple Choice

A speaker is trying to give her presentation, but a loud movie is being played in the next room and her audience is having trouble hearing her. What type of noise is she encountering?

• A) physiological
• B) physical
• C) semantic
• D) psychological

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Definitions:

Doppler Echocardiography

A test that uses sound waves to create images of the heart and its blood flow, employing the Doppler effect to assess the speed and direction of blood.

Blood Flow Velocity

The speed at which blood moves through the vessels, which can vary depending on vessel size, blood viscosity, and cardiac output.

Cardiac

Relating to the heart and its functions or diseases.

Oscilloscope

An electronic instrument used to observe and measure varying electrical voltages in the form of a two-dimensional graph.