Echocardiography (ECHO) Is BEST Described by Which of the Following

question 39

Multiple Choice

Echocardiography (ECHO) is BEST described by which of the following statements?

• A) Dye is injected into the blood and x-rays are taken of the heart.
• B) Catheter is positioned in a vein and guided into the heart.
• C) A stress test of cardiac function is performed.
• D) High-frequency sound waves are transmitted into the chest.
• E) Electricity is measured as it flows through the heart.

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Definitions:

RC Parallel Circuit

An electrical circuit configuration consisting of resistors (R) and capacitors (C) connected in parallel, affecting current and voltage differently.

R

Symbol commonly used to denote resistance in electrical circuits, measured in ohms (Ω).

Power Factor

The ratio of the real power flowing to the load to the apparent power in the circuit, indicating how effectively electrical power is converted into useful work output.

RC Parallel Circuit

An electrical circuit composed of resistors (R) and capacitors (C) connected in parallel, affecting the total impedance seen by an alternating current (AC) source.