The Primary Function of the Pericardial Sac Is to

question 68

Multiple Choice

The primary function of the pericardial sac is to

• A)prevent excessive expansion of the heart as it fills with blood
• B)secrete a fluid that reduces friction as the heart beats
• C)serve as a reservoir for blood to be used during strenuous exercise
• D)provide oxygen and nutrients to the heart muscle
• E)catch and kill any bacteria in the blood flowing through the heart chambers

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Definitions:

Sampling Distribution

The probability distribution of a statistic based on a random sample.

Freshman Class

A group of students who are in their first year at a secondary or post-secondary educational institution.

Sampling Distribution

The probability dispersion of a particular statistic, facilitated by a randomly selected sample.

Z-Value

A statistical measure that quantifies the number of standard deviations a data point is from the mean of a data set.