What Factor Most Limits a Person's Maximal Increase in Cardiac

question 40

Multiple Choice

What factor most limits a person's maximal increase in cardiac output during exercise?

• A)the time available to fill the heart chambers with blood as the heart rate increases
• B)the time it takes for electrical impulses to reach all parts of the heart
• C)the rate at which cardiac muscle contracts
• D)the rate at which oxygen is delivered to the cardiac muscle cells
• E)the total amount of blood in an individual

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Definitions:

Unstated Premise

A component of an argument that is not expressed but is assumed to be true for the argument to hold.

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A premise in an argument that offers two or more mutually exclusive options, only one of which needs to be true.

Disjuncts

Disjuncts are the separate statements or propositions in a disjunction, any of which being true makes the disjunction true.