Concerning Heart Sounds, Which of the Following Is Correct

question 1

Multiple Choice

Concerning heart sounds, which of the following is correct?

• A) The first heart sound occurs at the beginning of ventricular systole.
• B) The second heart sound is heard when the AV valves are closing.
• C) The first heart sound is the sound of the semilunar valves closing.
• D) The second heart sound occurs when blood flows into the superior vena cava.
• E) The first heart sound occurs at the beginning of ventricular diastole.

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Definitions:

Tracks

Paths or courses laid out for running, racing, or another form of transport, or metaphorically refers to a line of progress or inquiry.

First Come

A principle commonly applied in queue management, where the first unit arriving is the first to be served or processed.

Sequence Jobs

The process of arranging production tasks or operations in a specific order to optimize efficiency and minimize downtime.

First Served

Typically part of the phrase "first come, first served," this term denotes a service policy where requests are attended to in the order they were received, without other prioritization.