Which Heart Sound Signifies the Closing of the Atrioventricular Valves

question 16

Multiple Choice

Which heart sound signifies the closing of the atrioventricular valves?

• A) S1
• B) S2
• C) S3
• D) S4

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Definitions:

Social Desirability

The tendency of respondents to answer questions in a manner that will be viewed favorably by others, often leading to over-reporting of 'positive' behaviors or under-reporting of 'negative' behaviors.

Independent Variable

In experimental and statistical research, the variable that is manipulated or changed to observe its effect on a dependent variable.

Manipulated

Altered or controlled in a deliberate way, often to achieve a specific outcome or effect in research or other contexts.

Constant

A quality, value, or quantity that remains unchanged or stable within a given context or over time.