A Hypothesis

question 43

Multiple Choice

A hypothesis

• A)is equivalent to a theory.
• B)is an attempt to explain observations and predict future scientific results.
• C)is a statement concerning scientific facts.
• D)cannot be refuted by future investigations.

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Definitions:

Mitral Valve Prolapse

A condition where the valve between the heart's left upper chamber and left lower chamber doesn't close properly.

Heart Valve

Structures within the heart that open and close to control the flow of blood between the chambers of the heart and into the arteries.

Floppy

Pertaining to or characteristic of a floppy disk or flexible nature; often used to describe a state of lacking rigidity.

Cardiac Arrest

An abrupt loss of heart function, breathing, and consciousness, typically resulting from an electrical disturbance in the heart.