Guidelines for the Proper Use of the Stethoscope Include Which

question 18

Multiple Choice

Guidelines for the proper use of the stethoscope include which of the following?

• A) The bell should be placed firmly against the skin surface.
• B) The earpieces and binaurals should be angled toward your nose.
• C) Longer rubber or plastic tubing enhances the body sounds.
• D) The diaphragm is used to auscultate low-pitched sounds such as bruits and some heart murmurs.

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Definitions:

Dependent Variable

The variable in an experiment or study that is affected by changes in the independent variable, and which researchers aim to measure or predict.

Independent Variable

A variable in an experiment or study that is manipulated or categorized to observe its effect on a dependent variable.

Coefficient Of Correlation

A measure that calculates the strength and direction of a linear relationship between two variables, represented as 'r'.

Dependent Variable

In an experiment or model, it is the variable being tested and measured, which is expected to change as a result of changes in the independent variable(s).