Which Surface Feature Marks the Border Between the Atria and the Ventricles

question 62

Multiple Choice

Which surface feature marks the border between the atria and the ventricles?

• A) coronary sulcus
• B) interatrial groove
• C) posterior interventricular sulcus
• D) anterior interventricular sulcus
• E) auricle

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Definitions:

National Average

The arithmetic mean or median of certain measurements or statistics considered across a whole nation.

One-sample T-test

A statistical test used to compare the mean value of a sample to a known value (usually the population mean) to see if there are significant differences.

Null Hypothesis

A statistical hypothesis that assumes no significant difference or effect exists within a set of given observations.

P-value

A measure in statistics that helps to determine the significance of results derived from a hypothesis test.