Which of the Following Mechanisms Are Responsible for Compensating Heart

question 23

Multiple Choice

Which of the following mechanisms are responsible for compensating heart failure?
I.Improved contractility
II.Vasoconstriction
III.Fluid retention
IV.Vasodilation

• A) I, II, IV
• B) I, II, III
• C) III, IV
• D) II, III, IV

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Definitions:

Hypothesis

A proposed explanation for a phenomenon, which can be tested through experimentation or observation.

Social Phenomena

Events, behaviors, or situations that are influenced by or occur within human society.

Tentative Explanation

An initial, provisional theory or hypothesis intended to account for certain observations, subject to further investigation and confirmation.

Scientific Theory

A well-substantiated explanation of some aspect of the natural world, based on a body of facts that have been repeatedly confirmed through observation and experiment.