When Carotid and Aortic Baroreceptors Reduce Their Output

question 3

Multiple Choice

When carotid and aortic baroreceptors reduce their output,

• A) heart rate increases.
• B) heart rate decreases.
• C) stroke volume increases.
• D) both heart rate and stroke volume increase.
• E) the heart rate will decrease to lower blood pressure.

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Definitions:

Chi-square Statistic

A measure used in statistics to assess how expectations compare to actual observed data, particularly in the context of categorical variables.

Observed Frequencies

The actual number of occurrences of each category in statistical data.

Expected Frequencies

The anticipated counts in each category of a contingency table under the assumption that the null hypothesis is true, calculated from the proportions in the total sample.

Chi-square Statistic

A statistical measure used to assess the differences between observed and expected frequencies in one or more categories.