In a Healthy Subject, Running Is Usually Associated with a Decrease

question 35

Multiple Choice

In a healthy subject, running is usually associated with a decrease in the end-systolic volume of the right and left ventricles and with an increase in their stroke volume. What is the probable mechanism for this response?

• A) A decrease in catecholamine release
• B) An increase in sympathetic tone to the ventricles
• C) An increase in parasympathetic tone to the ventricles
• D) A decrease in venous return of blood to the heart
• E) An increase in pulmonary and systemic resistance

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Definitions:

Committee of Correspondence

Groups formed in the American colonies to maintain communication lines and coordinate actions against British policies before the American Revolution.

Colonists' Rights

The rights claimed by the inhabitants of colonies, especially concerning self-governance, freedom from external interference, and legal equality.

Resistance Movement

A group or collection of individuals who actively oppose an occupying force or the policies of an existing government, typically through various forms of noncompliance and sabotage.