If a Physician Hears Abnormal Heart Sounds While Examining a Patient

question 8

Multiple Choice

If a physician hears abnormal heart sounds while examining a patient with a stethoscope, this would most likely indicate a problem with

• A)the firing of the sinoatrial node.
• B)the contraction of the heart muscle.
• C)the function of the heart valves.
• D)the electrical signal from the muscles of the ventricles.
• E)the flow of blood into the atria.

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Definitions:

Median

The middle value in a list of numbers, which separates the higher half from the lower half.

Standard Deviation

A metric that quantifies the degree to which values in a collection vary from the average value of the group.

IQR

The interquartile range, a measure of statistical variability between the 25th and 75th percentiles.

Range

The difference between the highest and lowest values in a dataset, providing a measure of the data's dispersion.