When Venous Return Increases, the Heart Contracts More Forcefully

question 161

Multiple Choice

When venous return increases, the heart contracts more forcefully. This is called:

• A)Starling's law of the heart, and it decreases cardiac output
• B)the venous reflex, and it decreases cardiac output
• C)Starling's law of the heart, and it increases cardiac output
• D)the venous reflex, and it increases cardiac output

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Definitions:

Inferences

Conclusions or deductions made based on evidence and reasoning, rather than direct observations, often used in research to derive findings from data.

Experimental Expectations

Anticipated results or outcomes of a scientific experiment based on hypotheses and prior knowledge.

Construct Validity

The degree to which a test measures what it claims to be measuring, reflecting the accuracy of an operationalization of a theoretical construct.

Regression Toward

A statistical phenomenon where extreme values in data are likely to be followed by, or associated with, less extreme values.